/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 SingleStatement --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/sum_25x0-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:59:28,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:59:28,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:59:28,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:59:28,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:59:28,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:59:28,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:59:28,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:59:28,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:59:28,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:59:28,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:59:28,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:59:28,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:59:28,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:59:28,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:59:28,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:59:28,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:59:28,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:59:28,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:59:28,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:59:28,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:59:28,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:59:28,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:59:28,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:59:28,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:59:28,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:59:28,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:59:28,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:59:28,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:59:28,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:59:28,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:59:28,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:59:28,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:59:28,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:59:28,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:59:28,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:59:28,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:59:28,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:59:28,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:59:28,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:59:28,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:59:28,140 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 [2020-09-24 15:59:28,198 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:59:28,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:59:28,204 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:59:28,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:59:28,204 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:59:28,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:59:28,205 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:59:28,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:59:28,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:59:28,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:59:28,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:59:28,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:59:28,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:59:28,206 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:59:28,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:59:28,207 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:59:28,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:59:28,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:59:28,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:59:28,208 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:59:28,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:59:28,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:59:28,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:59:28,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:59:28,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:59:28,209 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:59:28,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:59:28,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:59:28,210 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:59:28,210 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 -> SingleStatement 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;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 15:59:28,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:59:28,685 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:59:28,689 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:59:28,690 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:59:28,691 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:59:28,692 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/sum_25x0-1.c [2020-09-24 15:59:28,785 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c71dc55b8/25431b451d4940539cd1c7beea8adf9b/FLAGff4ee6313 [2020-09-24 15:59:29,292 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:59:29,293 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/sum_25x0-1.c [2020-09-24 15:59:29,301 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c71dc55b8/25431b451d4940539cd1c7beea8adf9b/FLAGff4ee6313 [2020-09-24 15:59:29,639 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c71dc55b8/25431b451d4940539cd1c7beea8adf9b [2020-09-24 15:59:29,652 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:59:29,658 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:59:29,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:59:29,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:59:29,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:59:29,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:59:29" (1/1) ... [2020-09-24 15:59:29,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36345b5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:59:29, skipping insertion in model container [2020-09-24 15:59:29,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:59:29" (1/1) ... [2020-09-24 15:59:29,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:59:29,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:59:29,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:59:29,915 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:59:29,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:59:29,951 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:59:29,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:59:29 WrapperNode [2020-09-24 15:59:29,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:59:29,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:59:29,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:59:29,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:59:29,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:59:29" (1/1) ... [2020-09-24 15:59:29,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:59:29" (1/1) ... [2020-09-24 15:59:29,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:59:29" (1/1) ... [2020-09-24 15:59:29,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:59:29" (1/1) ... [2020-09-24 15:59:29,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:59:29" (1/1) ... [2020-09-24 15:59:29,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:59:29" (1/1) ... [2020-09-24 15:59:29,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:59:29" (1/1) ... [2020-09-24 15:59:29,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:59:29,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:59:29,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:59:29,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:59:29,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:59:29" (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 [2020-09-24 15:59:30,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:59:30,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:59:30,141 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2020-09-24 15:59:30,141 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:59:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:59:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2020-09-24 15:59:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:59:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:59:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:59:30,353 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:59:30,354 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 15:59:30,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:59:30 BoogieIcfgContainer [2020-09-24 15:59:30,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:59:30,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:59:30,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:59:30,379 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:59:30,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:59:29" (1/3) ... [2020-09-24 15:59:30,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b980796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:59:30, skipping insertion in model container [2020-09-24 15:59:30,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:59:29" (2/3) ... [2020-09-24 15:59:30,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b980796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:59:30, skipping insertion in model container [2020-09-24 15:59:30,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:59:30" (3/3) ... [2020-09-24 15:59:30,386 INFO L109 eAbstractionObserver]: Analyzing ICFG sum_25x0-1.c [2020-09-24 15:59:30,410 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:59:30,420 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:59:30,445 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:59:30,475 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:59:30,476 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:59:30,476 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:59:30,476 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:59:30,477 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:59:30,477 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:59:30,477 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:59:30,477 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:59:30,500 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-09-24 15:59:30,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-24 15:59:30,508 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:30,509 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:30,509 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:30,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:30,515 INFO L82 PathProgramCache]: Analyzing trace with hash 989240825, now seen corresponding path program 1 times [2020-09-24 15:59:30,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:30,525 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1958723508] [2020-09-24 15:59:30,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:30,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:30,669 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:30,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:30,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:30,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:59:30,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:30,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:59:30,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:30,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:59:30,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:30,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:59:30,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:30,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:30,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:30,722 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:30,723 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:30,723 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:30,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:30,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:30,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:30,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:30,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:30,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:30,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:30,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:30,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:30,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:30,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:30,745 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:30,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:30,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:30,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:30,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:59:30,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:30,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:59:30,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:30,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:59:30,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:30,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:59:30,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1958723508] [2020-09-24 15:59:30,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:59:30,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:59:30,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517024063] [2020-09-24 15:59:30,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:59:30,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:30,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:59:30,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:59:30,818 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 5 states. [2020-09-24 15:59:30,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:30,929 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2020-09-24 15:59:30,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:59:30,931 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-09-24 15:59:30,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:30,945 INFO L225 Difference]: With dead ends: 39 [2020-09-24 15:59:30,945 INFO L226 Difference]: Without dead ends: 25 [2020-09-24 15:59:30,950 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:59:30,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-09-24 15:59:31,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-09-24 15:59:31,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-09-24 15:59:31,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2020-09-24 15:59:31,010 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 18 [2020-09-24 15:59:31,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:31,010 INFO L479 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2020-09-24 15:59:31,011 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:59:31,011 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2020-09-24 15:59:31,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-24 15:59:31,013 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:31,014 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:31,014 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:59:31,014 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:31,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:31,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1852726759, now seen corresponding path program 1 times [2020-09-24 15:59:31,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:31,016 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1333347538] [2020-09-24 15:59:31,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:31,061 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:31,062 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:31,062 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:31,063 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:31,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-24 15:59:31,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:31,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 15:59:31,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:31,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:59:31,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:31,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:59:31,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:31,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:31,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:31,120 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:31,122 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:31,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:31,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:31,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:31,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:59:31,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:31,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:31,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:31,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:31,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 15:59:31,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:31,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:31,194 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:31,194 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:31,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:31,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:31,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:31,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 15:59:31,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:31,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:59:31,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:31,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:59:31,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:31,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:31,250 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:31,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:31,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:31,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:31,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:31,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:31,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:59:31,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:31,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:31,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:31,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:31,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:31,289 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-24 15:59:31,290 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1333347538] [2020-09-24 15:59:31,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:31,290 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-24 15:59:31,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443310865] [2020-09-24 15:59:31,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:59:31,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:31,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:59:31,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:59:31,294 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 7 states. [2020-09-24 15:59:31,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:31,363 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2020-09-24 15:59:31,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 15:59:31,363 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-09-24 15:59:31,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:31,365 INFO L225 Difference]: With dead ends: 36 [2020-09-24 15:59:31,365 INFO L226 Difference]: Without dead ends: 30 [2020-09-24 15:59:31,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:59:31,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-09-24 15:59:31,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-09-24 15:59:31,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-09-24 15:59:31,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2020-09-24 15:59:31,374 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 27 [2020-09-24 15:59:31,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:31,375 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2020-09-24 15:59:31,375 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:59:31,375 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2020-09-24 15:59:31,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-09-24 15:59:31,376 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:31,377 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:31,377 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:59:31,377 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:31,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:31,378 INFO L82 PathProgramCache]: Analyzing trace with hash -175020829, now seen corresponding path program 2 times [2020-09-24 15:59:31,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:31,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1116442566] [2020-09-24 15:59:31,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:31,417 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:31,418 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:31,418 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:31,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:31,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-24 15:59:31,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:31,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 15:59:31,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:31,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:59:31,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:31,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:31,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:31,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:31,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:31,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:31,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:31,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:31,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:31,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:31,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:31,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:31,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:31,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:31,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:31,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:31,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:31,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:31,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:31,498 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:31,498 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:31,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:31,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:31,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:59:31,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:31,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:59:31,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:31,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:59:31,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:31,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:31,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:31,603 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:31,603 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:31,603 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:31,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:31,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:31,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 15:59:31,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:31,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:31,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:31,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:31,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:59:31,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:31,664 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:31,665 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:31,665 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:31,665 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:31,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:31,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:31,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:59:31,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:31,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:31,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:31,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:31,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:31,692 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:59:31,693 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1116442566] [2020-09-24 15:59:31,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:31,693 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 15:59:31,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581257029] [2020-09-24 15:59:31,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:59:31,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:31,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:59:31,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:59:31,695 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 8 states. [2020-09-24 15:59:31,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:31,768 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2020-09-24 15:59:31,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:59:31,769 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2020-09-24 15:59:31,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:31,770 INFO L225 Difference]: With dead ends: 41 [2020-09-24 15:59:31,770 INFO L226 Difference]: Without dead ends: 35 [2020-09-24 15:59:31,771 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:59:31,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-09-24 15:59:31,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-09-24 15:59:31,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-09-24 15:59:31,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2020-09-24 15:59:31,779 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 36 [2020-09-24 15:59:31,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:31,780 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2020-09-24 15:59:31,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:59:31,780 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2020-09-24 15:59:31,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-09-24 15:59:31,781 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:31,782 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:31,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:59:31,782 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:31,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:31,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1021564803, now seen corresponding path program 3 times [2020-09-24 15:59:31,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:31,783 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1177517038] [2020-09-24 15:59:31,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:31,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:31,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:31,825 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:31,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:31,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 15:59:31,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:31,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:59:31,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:31,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:59:31,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:31,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-24 15:59:31,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:31,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:31,853 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:31,853 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:31,854 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:31,854 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:31,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:31,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:31,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:31,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:31,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:31,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:31,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:31,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:31,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:31,922 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:31,922 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:31,922 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:31,923 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:31,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:31,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:31,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-24 15:59:31,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:31,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:59:31,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:31,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 15:59:31,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:31,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:31,996 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:31,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:31,997 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:31,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:31,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:31,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:31,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 15:59:31,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:31,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:31,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:31,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:31,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:32,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:32,043 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:32,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:32,044 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:32,044 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:32,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:32,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:32,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:59:32,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:32,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:32,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:32,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:32,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 15:59:32,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:32,093 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:32,093 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:32,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:32,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:32,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:32,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:32,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:59:32,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:32,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:32,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:32,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:32,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:32,120 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-09-24 15:59:32,120 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1177517038] [2020-09-24 15:59:32,120 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:32,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 15:59:32,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636635228] [2020-09-24 15:59:32,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:59:32,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:32,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:59:32,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:59:32,122 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 8 states. [2020-09-24 15:59:32,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:32,207 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2020-09-24 15:59:32,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 15:59:32,207 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 45 [2020-09-24 15:59:32,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:32,209 INFO L225 Difference]: With dead ends: 46 [2020-09-24 15:59:32,209 INFO L226 Difference]: Without dead ends: 40 [2020-09-24 15:59:32,210 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:59:32,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-09-24 15:59:32,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-09-24 15:59:32,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-09-24 15:59:32,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2020-09-24 15:59:32,218 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 45 [2020-09-24 15:59:32,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:32,218 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2020-09-24 15:59:32,218 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:59:32,218 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2020-09-24 15:59:32,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-24 15:59:32,220 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:32,220 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:32,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:59:32,220 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:32,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:32,221 INFO L82 PathProgramCache]: Analyzing trace with hash -263249715, now seen corresponding path program 4 times [2020-09-24 15:59:32,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:32,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1979774679] [2020-09-24 15:59:32,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:32,262 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:32,262 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:32,262 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:32,262 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:32,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-24 15:59:32,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:32,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:59:32,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:32,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:59:32,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:32,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-24 15:59:32,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:32,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:32,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:32,282 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:32,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:32,283 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:32,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:32,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:32,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:32,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:32,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:32,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:32,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:32,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:32,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:32,321 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:32,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:32,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:32,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:32,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:32,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:32,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:59:32,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:32,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:59:32,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:32,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:59:32,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:32,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:32,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:32,379 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:32,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:32,380 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:32,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:32,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:32,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 15:59:32,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:32,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:32,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:32,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:32,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:32,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:32,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:32,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:32,425 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:32,425 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:32,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:32,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:32,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 15:59:32,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:32,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:32,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:32,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:32,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:32,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:32,470 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:32,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:32,471 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:32,471 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:32,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:32,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:32,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:59:32,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:32,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:32,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:32,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:32,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:32,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:32,501 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:32,501 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:32,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:32,502 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:32,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:32,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:32,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:59:32,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:32,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:32,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:32,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:32,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:32,554 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 6 proven. 43 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-09-24 15:59:32,554 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1979774679] [2020-09-24 15:59:32,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:32,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 15:59:32,555 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737719383] [2020-09-24 15:59:32,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:59:32,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:32,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:59:32,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:59:32,556 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand 10 states. [2020-09-24 15:59:32,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:32,654 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2020-09-24 15:59:32,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 15:59:32,655 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2020-09-24 15:59:32,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:32,656 INFO L225 Difference]: With dead ends: 51 [2020-09-24 15:59:32,656 INFO L226 Difference]: Without dead ends: 45 [2020-09-24 15:59:32,657 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:59:32,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-09-24 15:59:32,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-09-24 15:59:32,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-09-24 15:59:32,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2020-09-24 15:59:32,664 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 54 [2020-09-24 15:59:32,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:32,665 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2020-09-24 15:59:32,665 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:59:32,665 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2020-09-24 15:59:32,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-24 15:59:32,666 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:32,667 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:32,667 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:59:32,667 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:32,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:32,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1884999187, now seen corresponding path program 5 times [2020-09-24 15:59:32,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:32,668 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [986460375] [2020-09-24 15:59:32,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:32,717 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:32,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:32,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:32,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:32,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-24 15:59:32,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:32,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 15:59:32,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:32,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:59:32,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:32,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 15:59:32,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:32,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:32,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:32,739 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:32,739 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:32,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:32,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:32,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:32,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:32,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:32,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:32,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:32,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:32,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:32,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:32,788 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:32,788 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:32,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:32,789 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:32,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:59:32,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:32,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 15:59:32,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:32,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:59:32,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:32,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-24 15:59:32,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:32,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:32,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:32,851 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:32,851 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:32,851 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:32,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:32,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:32,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:59:32,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:32,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:32,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:32,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:59:32,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:32,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:32,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:32,914 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:32,914 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:32,914 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:32,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:32,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:32,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 15:59:32,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:32,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:32,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:32,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:32,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:32,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:32,958 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:32,958 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:32,958 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:32,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:32,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:32,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:32,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:59:32,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:32,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:32,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:32,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:32,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:32,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:32,991 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:32,992 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:32,992 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:32,992 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:32,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:32,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:32,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:59:32,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:32,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:32,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:32,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:32,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:33,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,020 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,020 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,020 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,021 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:33,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:59:33,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:33,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:33,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:33,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:33,051 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 9 proven. 75 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-09-24 15:59:33,052 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [986460375] [2020-09-24 15:59:33,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:33,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-24 15:59:33,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735441877] [2020-09-24 15:59:33,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:59:33,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:33,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:59:33,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:59:33,054 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 11 states. [2020-09-24 15:59:33,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:33,162 INFO L93 Difference]: Finished difference Result 56 states and 57 transitions. [2020-09-24 15:59:33,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 15:59:33,162 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 63 [2020-09-24 15:59:33,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:33,164 INFO L225 Difference]: With dead ends: 56 [2020-09-24 15:59:33,164 INFO L226 Difference]: Without dead ends: 50 [2020-09-24 15:59:33,165 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:59:33,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-09-24 15:59:33,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2020-09-24 15:59:33,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-09-24 15:59:33,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2020-09-24 15:59:33,172 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 51 transitions. Word has length 63 [2020-09-24 15:59:33,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:33,172 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 51 transitions. [2020-09-24 15:59:33,172 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:59:33,173 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2020-09-24 15:59:33,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-09-24 15:59:33,174 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:33,174 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:33,174 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:59:33,175 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:33,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:33,175 INFO L82 PathProgramCache]: Analyzing trace with hash -441437769, now seen corresponding path program 6 times [2020-09-24 15:59:33,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:33,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [771618362] [2020-09-24 15:59:33,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:59:33,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 15:59:33,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:59:33,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:33,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-24 15:59:33,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:33,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,250 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,251 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,260 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,260 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:33,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:59:33,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:33,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:33,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:33,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:33,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,317 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,318 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,318 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,318 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:59:33,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-24 15:59:33,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:59:33,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:33,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:59:33,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:33,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:59:33,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 15:59:33,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:33,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:33,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:59:33,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:33,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,458 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,458 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,458 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:33,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:59:33,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:33,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:33,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:59:33,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:33,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,509 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,509 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:33,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:59:33,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:33,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:33,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:33,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:33,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,547 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:33,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:59:33,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:33,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:33,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:33,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:33,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,581 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,582 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,582 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:33,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:59:33,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:33,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:33,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:33,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:33,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,617 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,617 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,618 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,618 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:33,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:59:33,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:33,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:33,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:33,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:33,655 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 15 proven. 89 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-09-24 15:59:33,656 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [771618362] [2020-09-24 15:59:33,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:33,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-24 15:59:33,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310878094] [2020-09-24 15:59:33,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:59:33,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:33,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:59:33,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:59:33,658 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. Second operand 12 states. [2020-09-24 15:59:33,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:33,776 INFO L93 Difference]: Finished difference Result 61 states and 62 transitions. [2020-09-24 15:59:33,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:59:33,777 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 72 [2020-09-24 15:59:33,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:33,778 INFO L225 Difference]: With dead ends: 61 [2020-09-24 15:59:33,778 INFO L226 Difference]: Without dead ends: 55 [2020-09-24 15:59:33,779 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:59:33,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-09-24 15:59:33,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-09-24 15:59:33,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-09-24 15:59:33,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 56 transitions. [2020-09-24 15:59:33,786 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 56 transitions. Word has length 72 [2020-09-24 15:59:33,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:33,786 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 56 transitions. [2020-09-24 15:59:33,786 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 15:59:33,787 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2020-09-24 15:59:33,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-09-24 15:59:33,788 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:33,788 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:33,788 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:59:33,788 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:33,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:33,789 INFO L82 PathProgramCache]: Analyzing trace with hash 999943849, now seen corresponding path program 7 times [2020-09-24 15:59:33,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:33,789 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [383365723] [2020-09-24 15:59:33,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,859 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,860 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,860 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,860 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-09-24 15:59:33,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-24 15:59:33,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 15:59:33,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:33,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-24 15:59:33,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:33,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,887 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,887 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,888 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:33,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:33,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:33,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:33,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:33,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:33,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 15:59:33,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-24 15:59:33,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 15:59:33,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:33,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-24 15:59:33,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:33,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,052 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,052 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,053 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,053 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:59:34,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-24 15:59:34,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:34,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:34,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:59:34,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:34,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,129 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:59:34,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 15:59:34,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:34,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:34,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:59:34,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:34,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,190 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,190 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,190 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:34,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:59:34,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:34,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:34,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:59:34,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:34,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:34,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:59:34,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:34,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:34,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:34,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:34,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:34,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,286 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,287 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,287 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,287 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:34,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:59:34,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:34,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:34,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:34,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:34,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:34,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,319 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,320 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,320 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,320 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:34,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:59:34,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:34,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:34,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:34,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:34,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,347 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,348 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,348 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:34,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:59:34,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:34,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:34,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:34,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:34,387 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 26 proven. 137 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-09-24 15:59:34,387 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [383365723] [2020-09-24 15:59:34,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:34,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-24 15:59:34,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089991450] [2020-09-24 15:59:34,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 15:59:34,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:34,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 15:59:34,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-09-24 15:59:34,389 INFO L87 Difference]: Start difference. First operand 55 states and 56 transitions. Second operand 13 states. [2020-09-24 15:59:34,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:34,524 INFO L93 Difference]: Finished difference Result 66 states and 67 transitions. [2020-09-24 15:59:34,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 15:59:34,525 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 81 [2020-09-24 15:59:34,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:34,526 INFO L225 Difference]: With dead ends: 66 [2020-09-24 15:59:34,526 INFO L226 Difference]: Without dead ends: 60 [2020-09-24 15:59:34,527 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=148, Invalid=272, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:59:34,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-09-24 15:59:34,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-09-24 15:59:34,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-09-24 15:59:34,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2020-09-24 15:59:34,534 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 81 [2020-09-24 15:59:34,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:34,534 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2020-09-24 15:59:34,535 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-24 15:59:34,535 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2020-09-24 15:59:34,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-09-24 15:59:34,536 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:34,536 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:34,536 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:59:34,537 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:34,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:34,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1356134305, now seen corresponding path program 8 times [2020-09-24 15:59:34,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:34,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1429571228] [2020-09-24 15:59:34,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,622 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-09-24 15:59:34,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-24 15:59:34,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-24 15:59:34,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:34,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-24 15:59:34,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:34,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,650 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,650 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,650 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,651 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:34,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:34,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:34,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:34,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:34,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:34,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,749 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,749 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,749 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,750 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 15:59:34,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-24 15:59:34,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-24 15:59:34,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:34,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-24 15:59:34,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:34,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,879 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,880 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,880 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 15:59:34,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-24 15:59:34,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:34,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:34,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 15:59:34,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:34,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,967 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,968 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,968 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,968 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:59:34,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-24 15:59:34,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:34,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:34,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:59:34,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:34,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,040 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,040 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,040 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,041 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:59:35,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 15:59:35,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:35,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:35,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:59:35,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:35,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,098 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,098 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:35,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 15:59:35,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:35,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:35,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:59:35,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:35,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,144 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,145 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:35,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 15:59:35,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:35,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:35,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:35,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:35,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,185 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:35,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:59:35,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:35,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:35,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:35,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:35,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,231 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:35,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:59:35,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:35,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:35,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:35,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:35,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,262 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,262 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,262 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,262 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:35,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:59:35,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:35,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:35,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:35,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:35,312 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 36 proven. 177 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-09-24 15:59:35,313 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1429571228] [2020-09-24 15:59:35,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:35,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 15:59:35,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619521505] [2020-09-24 15:59:35,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:59:35,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:35,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:59:35,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:59:35,315 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 15 states. [2020-09-24 15:59:35,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:35,524 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2020-09-24 15:59:35,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 15:59:35,524 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 90 [2020-09-24 15:59:35,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:35,526 INFO L225 Difference]: With dead ends: 71 [2020-09-24 15:59:35,526 INFO L226 Difference]: Without dead ends: 65 [2020-09-24 15:59:35,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=191, Invalid=361, Unknown=0, NotChecked=0, Total=552 [2020-09-24 15:59:35,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-09-24 15:59:35,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-09-24 15:59:35,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-09-24 15:59:35,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 66 transitions. [2020-09-24 15:59:35,548 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 66 transitions. Word has length 90 [2020-09-24 15:59:35,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:35,549 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 66 transitions. [2020-09-24 15:59:35,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 15:59:35,549 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2020-09-24 15:59:35,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-09-24 15:59:35,550 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:35,550 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:35,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:59:35,551 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:35,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:35,551 INFO L82 PathProgramCache]: Analyzing trace with hash -928437697, now seen corresponding path program 9 times [2020-09-24 15:59:35,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:35,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [427393145] [2020-09-24 15:59:35,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,681 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,682 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,682 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,682 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-09-24 15:59:35,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-24 15:59:35,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-09-24 15:59:35,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:35,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-24 15:59:35,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:35,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,717 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,717 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,717 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:35,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:35,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:35,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:35,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:35,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:35,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,818 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,819 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,819 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,819 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:35,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-24 15:59:35,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-09-24 15:59:35,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:35,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-09-24 15:59:35,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:35,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,951 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,952 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,952 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 15:59:35,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-24 15:59:35,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:35,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:35,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 15:59:35,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:35,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:36,052 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:36,052 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:36,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:36,053 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:36,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 15:59:36,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:36,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-24 15:59:36,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:36,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:36,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:36,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 15:59:36,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:36,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:36,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:36,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:36,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:36,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:36,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:59:36,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:36,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-24 15:59:36,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:36,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:36,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:36,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:59:36,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:36,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:36,237 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:36,238 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:36,238 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:36,239 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:36,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:59:36,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:36,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 15:59:36,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:36,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:36,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:36,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:59:36,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:36,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:36,333 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:36,333 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:36,334 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:36,334 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:36,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:36,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:36,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 15:59:36,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:36,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:36,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:36,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:59:36,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:36,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:36,412 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:36,417 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:36,417 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:36,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:36,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:36,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:36,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 15:59:36,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:36,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:36,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:36,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:36,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:36,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:36,471 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:36,472 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:36,472 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:36,472 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:36,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:36,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:36,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:59:36,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:36,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:36,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:36,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:36,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:36,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:36,508 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:36,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:36,509 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:36,509 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:36,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:36,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:36,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:59:36,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:36,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:36,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:36,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:36,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:36,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:36,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:36,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:36,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:36,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:36,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:36,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:36,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:59:36,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:36,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:36,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:36,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:36,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:36,627 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 60 proven. 208 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-09-24 15:59:36,627 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [427393145] [2020-09-24 15:59:36,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:36,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 15:59:36,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138956847] [2020-09-24 15:59:36,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:59:36,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:36,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:59:36,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:59:36,630 INFO L87 Difference]: Start difference. First operand 65 states and 66 transitions. Second operand 15 states. [2020-09-24 15:59:36,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:36,831 INFO L93 Difference]: Finished difference Result 76 states and 77 transitions. [2020-09-24 15:59:36,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:59:36,832 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 99 [2020-09-24 15:59:36,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:36,833 INFO L225 Difference]: With dead ends: 76 [2020-09-24 15:59:36,834 INFO L226 Difference]: Without dead ends: 70 [2020-09-24 15:59:36,835 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=213, Invalid=387, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:59:36,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-09-24 15:59:36,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-09-24 15:59:36,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-09-24 15:59:36,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 71 transitions. [2020-09-24 15:59:36,851 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 71 transitions. Word has length 99 [2020-09-24 15:59:36,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:36,852 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 71 transitions. [2020-09-24 15:59:36,852 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 15:59:36,852 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 71 transitions. [2020-09-24 15:59:36,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-09-24 15:59:36,857 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:36,857 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:36,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 15:59:36,857 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:36,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:36,858 INFO L82 PathProgramCache]: Analyzing trace with hash -276966773, now seen corresponding path program 10 times [2020-09-24 15:59:36,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:36,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [988204881] [2020-09-24 15:59:36,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:37,021 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:37,021 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:37,021 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:37,021 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:37,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-09-24 15:59:37,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:37,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-09-24 15:59:37,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:37,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-24 15:59:37,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:37,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-24 15:59:37,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:37,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:37,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:37,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:37,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:37,052 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:37,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:37,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:37,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:37,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:37,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:37,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:37,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:37,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:37,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:37,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:37,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:37,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:37,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:37,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 15:59:37,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:37,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-24 15:59:37,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:37,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-24 15:59:37,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:37,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-09-24 15:59:37,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:37,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:37,296 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:37,296 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:37,296 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:37,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:37,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:37,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:37,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-24 15:59:37,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:37,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:37,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:37,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:59:37,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:37,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:37,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:37,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:37,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:37,427 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:37,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 15:59:37,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:37,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-24 15:59:37,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:37,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:37,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:37,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 15:59:37,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:37,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:37,547 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:37,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:37,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:37,547 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:37,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 15:59:37,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:37,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-24 15:59:37,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:37,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:37,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:37,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 15:59:37,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:37,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:37,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:37,666 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:37,667 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:37,667 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:37,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:59:37,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:37,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-24 15:59:37,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:37,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:37,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:37,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:59:37,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:37,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:37,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:37,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:37,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:37,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:37,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:59:37,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:37,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 15:59:37,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:37,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:37,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:37,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:59:37,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:37,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:37,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:37,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:37,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:37,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:37,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:37,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:37,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 15:59:37,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:37,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:37,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:37,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:59:37,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:37,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:37,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:37,869 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:37,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:37,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:37,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:37,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:37,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:37,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:59:37,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:37,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:37,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:37,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:37,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:37,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:37,912 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:37,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:37,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:37,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:37,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:37,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:37,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:59:37,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:37,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:37,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:37,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:37,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:37,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:37,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:37,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:37,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:37,950 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:37,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:37,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:37,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:59:37,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:37,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:37,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:37,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:37,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:37,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:37,982 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:37,982 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:37,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:37,983 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:37,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:37,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:37,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:59:37,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:37,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:37,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:37,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:37,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:38,070 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 48 proven. 266 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2020-09-24 15:59:38,070 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [988204881] [2020-09-24 15:59:38,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:38,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-24 15:59:38,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872678843] [2020-09-24 15:59:38,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 15:59:38,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:38,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 15:59:38,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2020-09-24 15:59:38,074 INFO L87 Difference]: Start difference. First operand 70 states and 71 transitions. Second operand 16 states. [2020-09-24 15:59:38,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:38,253 INFO L93 Difference]: Finished difference Result 81 states and 82 transitions. [2020-09-24 15:59:38,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:59:38,253 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 108 [2020-09-24 15:59:38,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:38,254 INFO L225 Difference]: With dead ends: 81 [2020-09-24 15:59:38,255 INFO L226 Difference]: Without dead ends: 75 [2020-09-24 15:59:38,256 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=250, Invalid=452, Unknown=0, NotChecked=0, Total=702 [2020-09-24 15:59:38,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-09-24 15:59:38,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-09-24 15:59:38,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-09-24 15:59:38,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 76 transitions. [2020-09-24 15:59:38,268 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 76 transitions. Word has length 108 [2020-09-24 15:59:38,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:38,269 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 76 transitions. [2020-09-24 15:59:38,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-24 15:59:38,272 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2020-09-24 15:59:38,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-09-24 15:59:38,273 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:38,273 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:38,274 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 15:59:38,274 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:38,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:38,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1749540651, now seen corresponding path program 11 times [2020-09-24 15:59:38,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:38,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [694358450] [2020-09-24 15:59:38,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:38,427 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:38,427 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:38,428 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:38,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:38,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-09-24 15:59:38,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:38,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-09-24 15:59:38,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:38,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-09-24 15:59:38,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:38,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:59:38,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:38,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:38,474 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:38,475 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:38,475 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:38,476 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:38,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:38,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:38,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:38,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:38,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:38,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:38,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:38,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:38,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:38,649 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:38,649 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:38,650 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:38,650 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:38,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 15:59:38,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:38,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-09-24 15:59:38,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:38,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-09-24 15:59:38,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:38,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-09-24 15:59:38,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:38,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:38,794 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:38,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:38,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:38,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:38,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 15:59:38,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:38,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-24 15:59:38,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:38,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:59:38,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:38,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-24 15:59:38,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:38,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:38,927 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:38,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:38,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:38,928 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:38,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:38,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:38,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-24 15:59:38,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:38,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:38,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:38,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:59:38,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:38,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:39,040 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:39,040 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:39,040 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:39,041 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:39,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 15:59:39,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:39,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-24 15:59:39,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:39,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:39,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:39,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 15:59:39,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:39,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:39,125 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:39,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:39,126 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:39,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:39,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 15:59:39,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:39,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-24 15:59:39,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:39,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:39,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:39,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 15:59:39,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:39,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:39,200 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:39,200 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:39,201 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:39,201 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:39,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:59:39,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:39,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 15:59:39,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:39,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:39,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:39,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:59:39,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:39,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:39,267 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:39,268 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:39,268 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:39,268 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:39,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:59:39,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:39,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 15:59:39,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:39,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:39,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:39,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:59:39,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:39,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:39,321 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:39,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:39,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:39,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:39,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:39,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:39,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 15:59:39,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:39,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:39,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:39,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:59:39,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:39,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:39,372 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:39,373 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:39,373 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:39,373 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:39,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:39,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:39,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 15:59:39,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:39,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:39,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:39,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:39,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:39,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:39,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:39,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:39,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:39,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:39,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:39,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:39,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:59:39,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:39,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:39,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:39,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:39,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:39,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:39,469 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:39,469 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:39,469 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:39,469 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:39,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:39,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:39,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:59:39,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:39,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:39,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:39,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:39,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:39,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:39,499 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:39,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:39,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:39,500 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:39,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:39,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:39,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:59:39,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:39,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:39,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:39,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:39,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:39,607 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 27 proven. 348 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2020-09-24 15:59:39,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [694358450] [2020-09-24 15:59:39,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:39,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-24 15:59:39,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478572891] [2020-09-24 15:59:39,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-24 15:59:39,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:39,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-24 15:59:39,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=174, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:59:39,611 INFO L87 Difference]: Start difference. First operand 75 states and 76 transitions. Second operand 17 states. [2020-09-24 15:59:39,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:39,869 INFO L93 Difference]: Finished difference Result 86 states and 87 transitions. [2020-09-24 15:59:39,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 15:59:39,870 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 117 [2020-09-24 15:59:39,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:39,871 INFO L225 Difference]: With dead ends: 86 [2020-09-24 15:59:39,871 INFO L226 Difference]: Without dead ends: 80 [2020-09-24 15:59:39,873 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=290, Invalid=522, Unknown=0, NotChecked=0, Total=812 [2020-09-24 15:59:39,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-09-24 15:59:39,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2020-09-24 15:59:39,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-09-24 15:59:39,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 81 transitions. [2020-09-24 15:59:39,888 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 81 transitions. Word has length 117 [2020-09-24 15:59:39,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:39,888 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 81 transitions. [2020-09-24 15:59:39,889 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-24 15:59:39,889 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2020-09-24 15:59:39,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-09-24 15:59:39,894 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:39,894 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:39,894 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-24 15:59:39,894 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:39,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:39,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1141580405, now seen corresponding path program 12 times [2020-09-24 15:59:39,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:39,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1448791852] [2020-09-24 15:59:39,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:40,093 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:40,094 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:40,094 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:40,095 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:40,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-09-24 15:59:40,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:40,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-09-24 15:59:40,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:40,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-24 15:59:40,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:40,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-24 15:59:40,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:40,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:40,133 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:40,134 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:40,134 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:40,134 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:40,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:40,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:40,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:40,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:40,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:40,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:40,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:40,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:40,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:40,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:40,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:40,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:40,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:40,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 15:59:40,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:40,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-09-24 15:59:40,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:40,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-24 15:59:40,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:40,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-09-24 15:59:40,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:40,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:40,579 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:40,580 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:40,580 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:40,581 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:40,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 15:59:40,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:40,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-09-24 15:59:40,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:40,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:59:40,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:40,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 15:59:40,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:40,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:40,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:40,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:40,776 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:40,776 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:40,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 15:59:40,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:40,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-24 15:59:40,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:40,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:59:40,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:40,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-24 15:59:40,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:40,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:40,945 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:40,946 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:40,946 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:40,947 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:40,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:40,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:40,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-24 15:59:40,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:40,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:59:40,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:40,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:41,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:41,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:41,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:41,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:41,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 15:59:41,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:41,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-24 15:59:41,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:41,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:41,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 15:59:41,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:59:41,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:41,257 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:41,258 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:41,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:41,258 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:41,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 15:59:41,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:41,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-24 15:59:41,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:41,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:41,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:41,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 15:59:41,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:41,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:41,338 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:41,339 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:41,339 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:41,339 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:41,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:59:41,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:41,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 15:59:41,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:41,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:41,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:41,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:59:41,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:41,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:41,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:41,404 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:41,404 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:41,404 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:41,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:59:41,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:41,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 15:59:41,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:41,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:41,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:41,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:59:41,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:41,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:41,460 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:41,460 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:41,460 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:41,461 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:41,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:41,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:41,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 15:59:41,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:41,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:41,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:41,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:59:41,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:41,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:41,509 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:41,509 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:41,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:41,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:41,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:41,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:41,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:59:41,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:41,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:41,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:41,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:41,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:41,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:41,550 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:41,551 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:41,551 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:41,551 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:41,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:41,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:41,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:59:41,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:41,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:41,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:41,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:41,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:41,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:41,585 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:41,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:41,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:41,586 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:41,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:41,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:41,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:59:41,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:41,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:41,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:41,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:41,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:41,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:41,616 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:41,616 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:41,617 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:41,617 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:41,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:41,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:41,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:59:41,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:41,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:41,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:41,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:41,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:41,698 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 6 proven. 412 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2020-09-24 15:59:41,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1448791852] [2020-09-24 15:59:41,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:41,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-24 15:59:41,699 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709270246] [2020-09-24 15:59:41,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-24 15:59:41,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:41,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-24 15:59:41,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=194, Unknown=0, NotChecked=0, Total=306 [2020-09-24 15:59:41,701 INFO L87 Difference]: Start difference. First operand 80 states and 81 transitions. Second operand 18 states. [2020-09-24 15:59:41,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:41,916 INFO L93 Difference]: Finished difference Result 91 states and 92 transitions. [2020-09-24 15:59:41,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 15:59:41,916 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 126 [2020-09-24 15:59:41,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:41,917 INFO L225 Difference]: With dead ends: 91 [2020-09-24 15:59:41,917 INFO L226 Difference]: Without dead ends: 85 [2020-09-24 15:59:41,918 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=333, Invalid=597, Unknown=0, NotChecked=0, Total=930 [2020-09-24 15:59:41,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-09-24 15:59:41,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-09-24 15:59:41,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-09-24 15:59:41,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 86 transitions. [2020-09-24 15:59:41,927 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 86 transitions. Word has length 126 [2020-09-24 15:59:41,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:41,931 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 86 transitions. [2020-09-24 15:59:41,931 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-24 15:59:41,932 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 86 transitions. [2020-09-24 15:59:41,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-09-24 15:59:41,933 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:41,933 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:41,933 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-24 15:59:41,933 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:41,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:41,934 INFO L82 PathProgramCache]: Analyzing trace with hash 55997035, now seen corresponding path program 13 times [2020-09-24 15:59:41,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:41,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1945183196] [2020-09-24 15:59:41,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:42,114 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:42,114 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:42,115 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:42,115 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:42,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-09-24 15:59:42,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:42,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-09-24 15:59:42,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:42,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-09-24 15:59:42,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:42,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 15:59:42,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:42,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:42,154 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:42,154 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:42,154 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:42,154 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:42,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:42,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:42,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:59:42,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:42,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:42,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:42,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:42,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:42,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:42,316 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:42,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:42,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:42,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:42,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-09-24 15:59:42,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:42,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-09-24 15:59:42,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:42,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-09-24 15:59:42,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:42,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-09-24 15:59:42,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:42,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:42,575 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:42,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:42,575 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:42,576 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:42,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 15:59:42,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:42,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-09-24 15:59:42,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:42,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:59:42,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:42,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 15:59:42,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:42,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:42,806 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:42,807 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:42,807 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:42,807 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:42,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 15:59:42,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:42,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-24 15:59:42,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:42,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:59:42,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:42,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 15:59:42,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:42,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:42,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:43,000 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:43,000 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:43,001 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:43,001 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:43,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 15:59:43,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:43,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-24 15:59:43,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:43,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:59:43,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:43,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-24 15:59:43,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:43,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:43,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:43,173 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:43,173 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:43,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:43,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:43,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:43,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-24 15:59:43,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:43,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:43,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:43,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:59:43,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:43,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:43,314 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:43,315 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:43,315 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:43,315 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:43,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 15:59:43,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:43,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-24 15:59:43,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:43,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:43,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:43,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 15:59:43,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:43,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:43,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:43,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:43,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:43,454 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:43,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 15:59:43,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:43,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-24 15:59:43,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:43,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:43,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:43,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 15:59:43,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:43,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:43,560 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:43,561 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:43,561 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:43,562 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:43,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:59:43,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:43,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-24 15:59:43,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:43,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:43,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:43,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:59:43,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:43,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:43,639 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:43,639 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:43,640 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:43,640 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:43,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:59:43,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:43,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 15:59:43,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:43,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:43,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:43,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:59:43,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:43,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:43,703 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:43,703 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:43,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:43,704 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:43,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:43,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:43,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 15:59:43,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:43,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:43,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:43,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:59:43,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:43,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:43,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:43,757 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:43,758 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:43,758 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:43,759 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:43,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:43,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:43,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:59:43,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:43,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:43,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:43,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:43,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:43,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:43,804 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:43,804 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:43,805 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:43,805 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:43,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:43,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:43,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:59:43,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:43,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:43,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:43,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:43,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:43,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:43,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:43,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:43,851 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:43,851 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:43,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:43,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:43,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:59:43,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:43,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:43,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:43,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:43,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:59:43,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:43,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:43,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:43,899 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:43,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:43,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:43,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:43,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:59:43,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:43,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:43,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:43,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:43,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:44,062 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 48 proven. 519 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2020-09-24 15:59:44,062 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1945183196] [2020-09-24 15:59:44,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:44,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-09-24 15:59:44,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737890000] [2020-09-24 15:59:44,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-24 15:59:44,064 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:44,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-24 15:59:44,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=286, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:59:44,065 INFO L87 Difference]: Start difference. First operand 85 states and 86 transitions. Second operand 21 states. [2020-09-24 15:59:44,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:44,358 INFO L93 Difference]: Finished difference Result 96 states and 97 transitions. [2020-09-24 15:59:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 15:59:44,359 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 135 [2020-09-24 15:59:44,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:44,360 INFO L225 Difference]: With dead ends: 96 [2020-09-24 15:59:44,360 INFO L226 Difference]: Without dead ends: 90 [2020-09-24 15:59:44,362 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=414, Invalid=776, Unknown=0, NotChecked=0, Total=1190 [2020-09-24 15:59:44,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-09-24 15:59:44,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2020-09-24 15:59:44,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-09-24 15:59:44,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 91 transitions. [2020-09-24 15:59:44,367 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 91 transitions. Word has length 135 [2020-09-24 15:59:44,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:44,367 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 91 transitions. [2020-09-24 15:59:44,368 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-24 15:59:44,368 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 91 transitions. [2020-09-24 15:59:44,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-09-24 15:59:44,369 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:44,370 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:44,370 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-24 15:59:44,370 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:44,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:44,370 INFO L82 PathProgramCache]: Analyzing trace with hash 394086239, now seen corresponding path program 14 times [2020-09-24 15:59:44,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:44,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [588165635] [2020-09-24 15:59:44,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:44,547 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:44,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:44,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:44,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:44,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:59:44,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:44,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-09-24 15:59:44,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:44,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-09-24 15:59:44,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:44,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-24 15:59:44,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:44,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:44,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:44,590 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:44,590 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:44,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:44,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:44,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:44,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:44,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:44,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:44,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:44,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:44,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:44,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:44,817 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:44,817 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:44,818 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:44,818 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:44,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-24 15:59:44,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:44,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-09-24 15:59:44,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:44,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-09-24 15:59:44,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:44,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-09-24 15:59:44,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:44,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:45,076 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:45,076 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:45,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:45,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:45,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-09-24 15:59:45,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:45,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-09-24 15:59:45,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:45,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 15:59:45,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:45,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-24 15:59:45,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:45,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:45,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:45,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:45,292 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:45,292 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:45,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:45,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 15:59:45,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:45,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-24 15:59:45,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:45,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:59:45,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:45,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 15:59:45,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:45,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:45,466 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:45,466 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:45,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:45,466 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:45,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 15:59:45,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:45,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-24 15:59:45,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:45,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:59:45,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:45,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 15:59:45,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:45,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:45,640 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:45,640 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:45,640 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:45,641 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:45,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 15:59:45,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:45,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-24 15:59:45,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:45,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:59:45,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:45,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-24 15:59:45,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:45,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:45,799 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:45,800 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:45,800 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:45,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:45,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:45,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:45,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-24 15:59:45,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:45,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:45,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:45,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:59:45,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:45,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:45,940 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:45,940 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:45,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:45,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:45,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 15:59:45,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:45,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-24 15:59:45,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:45,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:45,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:45,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 15:59:45,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:45,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:46,062 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:46,062 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:46,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:46,063 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:46,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 15:59:46,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:46,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-24 15:59:46,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:46,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:46,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:46,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 15:59:46,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:46,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:46,153 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:46,154 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:46,154 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:46,154 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:46,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:59:46,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:46,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 15:59:46,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:46,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:46,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:46,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:59:46,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:46,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:46,225 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:46,225 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:46,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:46,226 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:46,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:59:46,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:46,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 15:59:46,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:46,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:46,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:46,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:59:46,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:46,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:46,284 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:46,285 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:46,285 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:46,285 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:46,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:46,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:46,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 15:59:46,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:46,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:46,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:46,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:59:46,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:46,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:46,335 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:46,336 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:46,336 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:46,336 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:46,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:46,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:46,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:59:46,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:46,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:46,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:46,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:46,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:46,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:46,381 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:46,381 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:46,381 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:46,382 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:46,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:46,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:46,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:59:46,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:46,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:46,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:46,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:46,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:46,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:46,421 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:46,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:46,422 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:46,422 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:46,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:46,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:46,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:59:46,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:46,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:46,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:46,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:46,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:46,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:46,457 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:46,457 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:46,458 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:46,458 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:46,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:46,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:46,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:59:46,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:46,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:46,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:46,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:46,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:46,624 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 107 proven. 555 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2020-09-24 15:59:46,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [588165635] [2020-09-24 15:59:46,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:46,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-09-24 15:59:46,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558337895] [2020-09-24 15:59:46,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-24 15:59:46,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:46,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-24 15:59:46,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=274, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:59:46,626 INFO L87 Difference]: Start difference. First operand 90 states and 91 transitions. Second operand 21 states. [2020-09-24 15:59:46,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:46,903 INFO L93 Difference]: Finished difference Result 101 states and 102 transitions. [2020-09-24 15:59:46,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:59:46,904 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 144 [2020-09-24 15:59:46,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:46,905 INFO L225 Difference]: With dead ends: 101 [2020-09-24 15:59:46,905 INFO L226 Difference]: Without dead ends: 95 [2020-09-24 15:59:46,907 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=446, Invalid=814, Unknown=0, NotChecked=0, Total=1260 [2020-09-24 15:59:46,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-09-24 15:59:46,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2020-09-24 15:59:46,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-09-24 15:59:46,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 96 transitions. [2020-09-24 15:59:46,912 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 96 transitions. Word has length 144 [2020-09-24 15:59:46,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:46,913 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 96 transitions. [2020-09-24 15:59:46,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-24 15:59:46,913 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 96 transitions. [2020-09-24 15:59:46,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-09-24 15:59:46,915 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:46,915 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:46,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-24 15:59:46,915 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:46,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:46,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1047772929, now seen corresponding path program 15 times [2020-09-24 15:59:46,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:46,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [792311073] [2020-09-24 15:59:46,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:47,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:47,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:47,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:47,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:47,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-24 15:59:47,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:47,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-09-24 15:59:47,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:47,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-09-24 15:59:47,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:47,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-24 15:59:47,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:47,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:47,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:47,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:47,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:47,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:47,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:47,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:47,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:47,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:47,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:47,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:47,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:47,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:47,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:47,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:47,379 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:47,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:47,380 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:47,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-09-24 15:59:47,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:47,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-09-24 15:59:47,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:47,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-09-24 15:59:47,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:47,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-09-24 15:59:47,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:47,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:47,659 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:47,659 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:47,660 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:47,660 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:47,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-24 15:59:47,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:47,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-09-24 15:59:47,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:47,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 15:59:47,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:47,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-09-24 15:59:47,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:47,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:47,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:47,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:47,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:47,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:47,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-09-24 15:59:47,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:47,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-09-24 15:59:47,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:47,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 15:59:47,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:47,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-24 15:59:47,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:47,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:48,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:48,085 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:48,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:48,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:48,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 15:59:48,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:48,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-09-24 15:59:48,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:48,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:59:48,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:48,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 15:59:48,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:48,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:48,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:48,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:48,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:48,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:48,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 15:59:48,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:48,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-09-24 15:59:48,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:48,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:59:48,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:48,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 15:59:48,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:48,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:48,447 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:48,447 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:48,448 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:48,448 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:48,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 15:59:48,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:48,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-24 15:59:48,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:48,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:59:48,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:48,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-24 15:59:48,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:48,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:48,565 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:48,565 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:48,565 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:48,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:48,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:48,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:48,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-24 15:59:48,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:48,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:48,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:48,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:59:48,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:48,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:48,665 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:48,666 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:48,666 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:48,666 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:48,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 15:59:48,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:48,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-24 15:59:48,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:48,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:48,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:48,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 15:59:48,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:48,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:48,758 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:48,759 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:48,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:48,759 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:48,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 15:59:48,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:48,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-24 15:59:48,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:48,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:48,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:48,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 15:59:48,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:48,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:48,832 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:48,833 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:48,833 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:48,833 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:48,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:59:48,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:48,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 15:59:48,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:48,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:48,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:48,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:59:48,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:48,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:48,902 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:48,902 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:48,902 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:48,903 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:48,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:59:48,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:48,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:59:48,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:48,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:48,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:48,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:59:48,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:48,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:48,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:48,960 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:48,960 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:48,961 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:48,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:48,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:48,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 15:59:48,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:48,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:48,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:48,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:59:48,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:48,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:49,018 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:49,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:49,019 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:49,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:49,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:49,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:49,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:59:49,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:49,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:49,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:49,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:49,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:59:49,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:49,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:49,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:49,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:49,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:49,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:49,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:49,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:59:49,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:49,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:49,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:49,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:49,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:59:49,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:49,131 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:49,131 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:49,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:49,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:49,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:49,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:49,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:59:49,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:49,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:49,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:49,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:49,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:59:49,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:49,181 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:49,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:49,182 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:49,182 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:49,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:49,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:49,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:59:49,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:49,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:49,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:49,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:49,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:59:49,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 40 proven. 669 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2020-09-24 15:59:49,458 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [792311073] [2020-09-24 15:59:49,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:49,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-09-24 15:59:49,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686033058] [2020-09-24 15:59:49,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-24 15:59:49,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:49,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-24 15:59:49,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=260, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:59:49,464 INFO L87 Difference]: Start difference. First operand 95 states and 96 transitions. Second operand 21 states. [2020-09-24 15:59:49,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:49,807 INFO L93 Difference]: Finished difference Result 106 states and 107 transitions. [2020-09-24 15:59:49,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-24 15:59:49,808 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 153 [2020-09-24 15:59:49,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:49,809 INFO L225 Difference]: With dead ends: 106 [2020-09-24 15:59:49,809 INFO L226 Difference]: Without dead ends: 100 [2020-09-24 15:59:49,811 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=480, Invalid=852, Unknown=0, NotChecked=0, Total=1332 [2020-09-24 15:59:49,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-09-24 15:59:49,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2020-09-24 15:59:49,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-09-24 15:59:49,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 101 transitions. [2020-09-24 15:59:49,819 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 101 transitions. Word has length 153 [2020-09-24 15:59:49,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:49,821 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 101 transitions. [2020-09-24 15:59:49,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-24 15:59:49,821 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 101 transitions. [2020-09-24 15:59:49,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-24 15:59:49,823 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:49,824 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:49,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-24 15:59:49,824 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:49,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:49,824 INFO L82 PathProgramCache]: Analyzing trace with hash -76242615, now seen corresponding path program 16 times [2020-09-24 15:59:49,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:49,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [899862909] [2020-09-24 15:59:49,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:50,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:50,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:50,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:50,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:50,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-09-24 15:59:50,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:50,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-09-24 15:59:50,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:50,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-09-24 15:59:50,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:50,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-24 15:59:50,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:50,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:50,079 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:50,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:50,080 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:50,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:50,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:50,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:50,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:50,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:50,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:50,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:50,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:50,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:50,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:50,324 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:50,324 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:50,324 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:50,325 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:50,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-09-24 15:59:50,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:50,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-09-24 15:59:50,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:50,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-09-24 15:59:50,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:50,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-09-24 15:59:50,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:50,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:50,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:50,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:50,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:50,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:50,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-09-24 15:59:50,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:50,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-09-24 15:59:50,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:50,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 15:59:50,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:50,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-09-24 15:59:50,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:50,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:50,879 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:50,880 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:50,880 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:50,880 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:50,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-24 15:59:50,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:50,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-09-24 15:59:50,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:50,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 15:59:50,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:50,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-09-24 15:59:50,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:50,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:51,095 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:51,095 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:51,095 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:51,096 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:51,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-09-24 15:59:51,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:51,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-09-24 15:59:51,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:51,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 15:59:51,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:51,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-24 15:59:51,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:51,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:51,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:51,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:51,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:51,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:51,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 15:59:51,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:51,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-24 15:59:51,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:51,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:59:51,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:51,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 15:59:51,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:51,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:51,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:51,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:51,423 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:51,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:51,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 15:59:51,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:51,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-24 15:59:51,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:51,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:59:51,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:51,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 15:59:51,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:51,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:51,606 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:51,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:51,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:51,607 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:51,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 15:59:51,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:51,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-24 15:59:51,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:51,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:59:51,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:51,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-24 15:59:51,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:51,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:51,721 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:51,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:51,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:51,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:51,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:51,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:51,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-24 15:59:51,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:51,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:51,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:51,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:59:51,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:51,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:51,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:51,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:51,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:51,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:51,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 15:59:51,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:51,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-24 15:59:51,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:51,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:51,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:51,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 15:59:51,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:51,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:51,919 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:51,919 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:51,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:51,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:51,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 15:59:51,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:51,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 15:59:51,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:51,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:51,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:51,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 15:59:51,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:51,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:52,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:52,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:52,004 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:52,004 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:52,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:59:52,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:52,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-24 15:59:52,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:52,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:52,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:52,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:59:52,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:52,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:52,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:52,089 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:52,089 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:52,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:52,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:59:52,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:52,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-24 15:59:52,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:52,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:52,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:52,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:59:52,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:52,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:52,165 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:52,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:52,166 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:52,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:52,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:52,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:52,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 15:59:52,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:52,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:52,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:52,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:59:52,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:52,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:52,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:52,224 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:52,224 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:52,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:52,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:52,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:52,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 15:59:52,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:52,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:52,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:52,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:52,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:52,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:52,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:52,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:52,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:52,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:52,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:52,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:52,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:59:52,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:52,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:52,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:52,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:52,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:59:52,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:52,332 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:52,332 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:52,333 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:52,333 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:52,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:52,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:52,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:59:52,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:52,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:52,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:52,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:52,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:59:52,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:52,384 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:52,385 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:52,385 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:52,386 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:52,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:52,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:52,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:59:52,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:52,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:52,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:52,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:52,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:59:52,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1160 backedges. 48 proven. 791 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2020-09-24 15:59:52,698 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [899862909] [2020-09-24 15:59:52,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:52,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-24 15:59:52,699 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218473877] [2020-09-24 15:59:52,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-24 15:59:52,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:52,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-24 15:59:52,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=325, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:59:52,702 INFO L87 Difference]: Start difference. First operand 100 states and 101 transitions. Second operand 23 states. [2020-09-24 15:59:53,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:53,021 INFO L93 Difference]: Finished difference Result 111 states and 112 transitions. [2020-09-24 15:59:53,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 15:59:53,022 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 162 [2020-09-24 15:59:53,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:53,024 INFO L225 Difference]: With dead ends: 111 [2020-09-24 15:59:53,024 INFO L226 Difference]: Without dead ends: 105 [2020-09-24 15:59:53,025 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=555, Invalid=1005, Unknown=0, NotChecked=0, Total=1560 [2020-09-24 15:59:53,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-09-24 15:59:53,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2020-09-24 15:59:53,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-09-24 15:59:53,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 106 transitions. [2020-09-24 15:59:53,030 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 106 transitions. Word has length 162 [2020-09-24 15:59:53,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:53,031 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 106 transitions. [2020-09-24 15:59:53,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-24 15:59:53,031 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 106 transitions. [2020-09-24 15:59:53,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-09-24 15:59:53,033 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:53,033 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:53,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-24 15:59:53,034 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:53,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:53,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1382000279, now seen corresponding path program 17 times [2020-09-24 15:59:53,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:53,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1407496829] [2020-09-24 15:59:53,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:53,284 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:53,285 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:53,285 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:53,285 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:53,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-09-24 15:59:53,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:53,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-09-24 15:59:53,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:53,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-09-24 15:59:53,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:53,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-24 15:59:53,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:53,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:53,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:53,327 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:53,327 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:53,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:53,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:53,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:53,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:59:53,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:53,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:53,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:53,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:53,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:53,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:53,585 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:53,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:53,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:53,586 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:53,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 15:59:53,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:53,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-09-24 15:59:53,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:53,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-09-24 15:59:53,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:53,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 195 [2020-09-24 15:59:53,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:53,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:53,877 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:53,878 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:53,878 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:53,878 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:53,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-09-24 15:59:53,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:53,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-09-24 15:59:53,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:53,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-24 15:59:53,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:53,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-09-24 15:59:53,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:53,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:54,105 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:54,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:54,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:54,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:54,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-09-24 15:59:54,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:54,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-09-24 15:59:54,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:54,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 15:59:54,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:54,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-09-24 15:59:54,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:54,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:54,321 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:54,322 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:54,322 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:54,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:54,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-24 15:59:54,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:54,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-09-24 15:59:54,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:54,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 15:59:54,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:54,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-09-24 15:59:54,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:54,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:54,503 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:54,503 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:54,504 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:54,504 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:54,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-09-24 15:59:54,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:54,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-24 15:59:54,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:54,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 15:59:54,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:54,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-24 15:59:54,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:54,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:54,680 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:54,680 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:54,680 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:54,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:54,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 15:59:54,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:54,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-24 15:59:54,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:54,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:59:54,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:54,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 15:59:54,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:54,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:54,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:54,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:54,876 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:54,876 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:54,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 15:59:54,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:54,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-24 15:59:54,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:54,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:59:54,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:54,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 15:59:54,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:54,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:55,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:55,005 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:55,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:55,006 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:55,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 15:59:55,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:55,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-24 15:59:55,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:55,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:59:55,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:55,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-24 15:59:55,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:55,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:55,122 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:55,122 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:55,122 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:55,123 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:55,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:55,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:55,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-24 15:59:55,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:55,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:55,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:55,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:59:55,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:55,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:55,219 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:55,219 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:55,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:55,220 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:55,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 15:59:55,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:55,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-24 15:59:55,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:55,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:55,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:55,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 15:59:55,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:55,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:55,313 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:55,313 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:55,314 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:55,314 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:55,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 15:59:55,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:55,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-24 15:59:55,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:55,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:55,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:55,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 15:59:55,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:55,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:55,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:55,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:55,396 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:55,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:55,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:59:55,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:55,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 15:59:55,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:55,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:55,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:55,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:59:55,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:55,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:55,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:55,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:55,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:55,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:55,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:59:55,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:55,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 15:59:55,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:55,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:55,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:55,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:59:55,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:55,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:55,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:55,517 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:55,517 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:55,517 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:55,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:55,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:55,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:59:55,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:55,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:55,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:55,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:59:55,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:55,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:55,572 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:55,573 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:55,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:55,573 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:55,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:55,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:55,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:59:55,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:55,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:55,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:55,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:55,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:55,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:55,638 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:55,639 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:55,639 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:55,640 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:55,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:55,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:55,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:59:55,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:55,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:55,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:55,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:55,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:55,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:55,695 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:55,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:55,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:55,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:55,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:55,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:55,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:59:55,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:55,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:55,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:55,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:55,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:59:55,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:55,748 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:55,749 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:55,749 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:55,750 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:55,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:55,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:55,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:59:55,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:55,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:55,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:55,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:59:56,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 81 proven. 867 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2020-09-24 15:59:56,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1407496829] [2020-09-24 15:59:56,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:56,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-24 15:59:56,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49820568] [2020-09-24 15:59:56,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-24 15:59:56,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:56,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-24 15:59:56,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=309, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:59:56,063 INFO L87 Difference]: Start difference. First operand 105 states and 106 transitions. Second operand 23 states. [2020-09-24 15:59:56,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:56,410 INFO L93 Difference]: Finished difference Result 116 states and 117 transitions. [2020-09-24 15:59:56,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 15:59:56,411 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 171 [2020-09-24 15:59:56,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:56,412 INFO L225 Difference]: With dead ends: 116 [2020-09-24 15:59:56,412 INFO L226 Difference]: Without dead ends: 110 [2020-09-24 15:59:56,416 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=593, Invalid=1047, Unknown=0, NotChecked=0, Total=1640 [2020-09-24 15:59:56,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-09-24 15:59:56,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-09-24 15:59:56,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-09-24 15:59:56,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 111 transitions. [2020-09-24 15:59:56,421 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 111 transitions. Word has length 171 [2020-09-24 15:59:56,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:56,421 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 111 transitions. [2020-09-24 15:59:56,421 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-24 15:59:56,422 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 111 transitions. [2020-09-24 15:59:56,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-09-24 15:59:56,431 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:56,431 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:56,431 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-24 15:59:56,431 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:56,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:56,432 INFO L82 PathProgramCache]: Analyzing trace with hash -869167053, now seen corresponding path program 18 times [2020-09-24 15:59:56,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:56,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1551522631] [2020-09-24 15:59:56,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:56,693 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:56,693 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:56,693 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:56,694 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:56,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-09-24 15:59:56,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:56,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-09-24 15:59:56,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:56,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-09-24 15:59:56,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:56,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-24 15:59:56,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:56,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:56,734 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:56,734 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:56,735 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:56,735 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:56,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:56,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:56,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:59:56,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:56,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:56,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:56,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:56,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:56,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:56,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:56,958 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:56,958 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:56,958 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:56,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:56,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-09-24 15:59:56,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:56,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-09-24 15:59:56,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:56,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-09-24 15:59:56,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:56,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-09-24 15:59:56,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:57,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:57,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:57,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:57,233 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:57,233 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:57,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 15:59:57,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:57,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-09-24 15:59:57,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:57,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-24 15:59:57,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:57,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-09-24 15:59:57,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:57,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:57,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:57,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:57,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:57,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:57,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-09-24 15:59:57,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:57,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-09-24 15:59:57,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:57,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-24 15:59:57,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:57,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-09-24 15:59:57,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:57,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:57,711 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:57,711 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:57,711 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:57,711 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:57,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-09-24 15:59:57,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:57,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-09-24 15:59:57,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:57,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 15:59:57,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:57,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-09-24 15:59:57,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:57,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:57,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:57,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:57,910 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:57,910 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:57,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-24 15:59:57,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:57,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-09-24 15:59:57,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:57,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 15:59:57,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:57,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-09-24 15:59:57,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:57,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:58,140 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:58,140 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:58,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:58,141 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:58,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-09-24 15:59:58,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:58,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-09-24 15:59:58,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:58,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 15:59:58,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:58,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-24 15:59:58,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:58,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:58,301 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:58,301 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:58,301 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:58,301 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:58,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 15:59:58,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:58,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-24 15:59:58,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:58,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:59:58,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:58,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 15:59:58,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:58,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:58,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:58,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:58,430 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:58,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:58,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 15:59:58,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:58,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-24 15:59:58,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:58,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:59:58,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:58,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 15:59:58,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:58,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:58,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:58,571 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:58,572 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:58,572 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:58,572 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:58,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 15:59:58,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:58,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-24 15:59:58,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:58,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:59:58,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:58,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-24 15:59:58,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:58,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:58,699 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:58,699 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:58,699 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:58,700 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:58,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:58,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:58,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-24 15:59:58,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:58,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:58,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:58,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:59:58,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:58,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:58,791 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:58,791 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:58,791 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:58,791 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:58,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 15:59:58,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:58,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-24 15:59:58,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:58,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:58,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:58,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 15:59:58,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:58,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:58,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:58,880 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:58,880 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:58,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:58,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 15:59:58,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:58,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-24 15:59:58,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:58,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:58,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:58,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 15:59:58,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:58,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:58,965 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:58,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:58,966 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:58,966 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:58,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:59:58,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:58,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 15:59:58,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:58,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:58,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:58,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:59:58,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:59,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:59,039 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:59,039 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:59,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:59,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:59,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:59:59,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:59,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 15:59:59,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:59,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:59,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:59,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:59:59,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:59,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:59,102 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:59,102 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:59,102 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:59,103 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:59,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:59,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:59,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:59:59,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:59,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:59,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:59,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:59:59,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:59,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:59,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:59,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:59,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:59,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:59,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:59,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:59,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:59:59,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:59,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:59,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:59,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:59,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:59,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:59,203 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:59,203 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:59,204 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:59,204 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:59,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:59,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:59,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:59:59,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:59,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:59,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:59,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:59,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:59,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:59,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:59,248 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:59,248 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:59,249 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:59,249 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:59,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:59,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:59,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:59:59,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:59,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:59,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:59,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:59,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:59,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:59,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:59,290 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:59,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:59,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:59,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:59,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:59,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:59:59,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:59,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:59,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:59,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:59,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:59,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1467 backedges. 180 proven. 849 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2020-09-24 15:59:59,486 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1551522631] [2020-09-24 15:59:59,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:59,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-09-24 15:59:59,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334680604] [2020-09-24 15:59:59,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-09-24 15:59:59,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:59,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-09-24 15:59:59,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=335, Unknown=0, NotChecked=0, Total=552 [2020-09-24 15:59:59,487 INFO L87 Difference]: Start difference. First operand 110 states and 111 transitions. Second operand 24 states. [2020-09-24 15:59:59,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:59,835 INFO L93 Difference]: Finished difference Result 121 states and 122 transitions. [2020-09-24 15:59:59,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-24 15:59:59,836 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 180 [2020-09-24 15:59:59,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:59,838 INFO L225 Difference]: With dead ends: 121 [2020-09-24 15:59:59,838 INFO L226 Difference]: Without dead ends: 115 [2020-09-24 15:59:59,839 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=654, Invalid=1152, Unknown=0, NotChecked=0, Total=1806 [2020-09-24 15:59:59,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-09-24 15:59:59,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-09-24 15:59:59,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-09-24 15:59:59,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 116 transitions. [2020-09-24 15:59:59,846 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 116 transitions. Word has length 180 [2020-09-24 15:59:59,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:59,846 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 116 transitions. [2020-09-24 15:59:59,846 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-09-24 15:59:59,846 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 116 transitions. [2020-09-24 15:59:59,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-09-24 15:59:59,849 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:59,849 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:59,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-24 15:59:59,850 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:59,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:59,850 INFO L82 PathProgramCache]: Analyzing trace with hash 482986285, now seen corresponding path program 19 times [2020-09-24 15:59:59,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:59,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1732311679] [2020-09-24 15:59:59,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:00,112 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:00,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:00,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:00,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:00,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-09-24 16:00:00,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:00,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-09-24 16:00:00,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:00,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-09-24 16:00:00,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 16:00:00,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-09-24 16:00:00,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:00,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:00:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:00,142 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:00,142 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:00,142 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:00,142 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:00,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:00:00,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:00,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:00:00,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:00,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:00,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:00,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:00,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:00,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 16:00:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:00,405 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:00,405 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:00,406 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:00,406 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:00,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-24 16:00:00,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:00,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-09-24 16:00:00,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:00,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-09-24 16:00:00,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 16:00:00,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 217 [2020-09-24 16:00:00,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:00,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:00,673 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:00,673 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:00,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:00,673 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:00,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-09-24 16:00:00,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:00,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-09-24 16:00:00,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:00,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-24 16:00:00,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:00,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-09-24 16:00:00,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:00,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:00,922 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:00,923 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:00,923 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:00,923 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:00,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 16:00:00,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:00,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-09-24 16:00:00,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:00,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-24 16:00:00,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:00,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-09-24 16:00:00,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:00,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:01,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:01,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:01,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:01,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:01,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-09-24 16:00:01,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:01,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-09-24 16:00:01,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:01,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-24 16:00:01,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:01,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-09-24 16:00:01,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:01,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:01,407 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:01,408 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:01,408 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:01,408 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:01,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-09-24 16:00:01,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:01,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-09-24 16:00:01,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:01,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 16:00:01,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:01,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-09-24 16:00:01,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:01,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:01,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:01,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:01,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:01,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:01,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-24 16:00:01,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:01,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-24 16:00:01,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:01,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 16:00:01,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:01,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-09-24 16:00:01,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:01,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:01,750 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:01,750 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:01,750 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:01,750 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:01,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-09-24 16:00:01,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:01,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-24 16:00:01,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:01,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 16:00:01,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:01,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-24 16:00:01,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:01,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:01,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:01,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:01,893 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:01,893 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:01,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 16:00:01,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:01,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-24 16:00:01,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:01,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 16:00:01,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:01,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 16:00:01,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:01,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:02,036 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:02,036 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:02,036 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:02,036 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:02,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 16:00:02,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:02,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-24 16:00:02,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:02,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 16:00:02,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:02,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 16:00:02,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:02,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:02,154 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:02,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:02,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:02,155 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:02,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 16:00:02,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:02,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-24 16:00:02,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:02,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 16:00:02,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:02,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-24 16:00:02,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:02,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:02,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:02,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:02,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:02,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:02,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 16:00:02,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:02,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-24 16:00:02,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:02,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 16:00:02,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:02,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 16:00:02,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:02,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:02,365 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:02,365 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:02,365 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:02,366 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:02,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 16:00:02,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:02,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-24 16:00:02,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 16:00:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:02,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 16:00:02,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:02,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:02,452 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:02,452 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:02,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:02,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:02,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 16:00:02,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:02,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-24 16:00:02,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:02,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 16:00:02,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:02,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 16:00:02,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:02,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:02,535 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:02,535 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:02,535 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:02,536 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:02,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 16:00:02,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:02,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 16:00:02,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:02,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 16:00:02,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:02,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 16:00:02,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:02,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:02,619 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:02,619 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:02,619 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:02,620 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:02,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 16:00:02,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:02,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 16:00:02,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:02,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 16:00:02,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:02,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 16:00:02,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:02,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:02,684 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:02,685 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:02,685 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:02,685 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:02,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 16:00:02,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:02,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 16:00:02,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:02,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 16:00:02,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:02,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 16:00:02,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:02,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:02,741 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:02,741 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:02,741 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:02,742 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:02,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 16:00:02,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:02,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 16:00:02,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:02,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 16:00:02,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:02,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 16:00:02,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:02,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:02,796 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:02,797 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:02,797 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:02,797 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:02,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 16:00:02,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:02,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 16:00:02,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:02,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 16:00:02,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:02,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 16:00:02,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:02,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:02,841 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:02,841 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:02,841 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:02,842 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:02,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 16:00:02,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:02,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 16:00:02,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:02,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 16:00:02,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:02,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 16:00:02,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:02,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:02,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:02,883 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:02,883 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:02,884 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:02,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:00:02,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:02,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:00:02,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:02,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:00:02,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:02,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 16:00:02,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:03,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1634 backedges. 161 proven. 1022 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2020-09-24 16:00:03,100 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1732311679] [2020-09-24 16:00:03,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:00:03,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-09-24 16:00:03,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411622] [2020-09-24 16:00:03,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-09-24 16:00:03,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:00:03,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-09-24 16:00:03,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=362, Unknown=0, NotChecked=0, Total=600 [2020-09-24 16:00:03,102 INFO L87 Difference]: Start difference. First operand 115 states and 116 transitions. Second operand 25 states. [2020-09-24 16:00:03,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:00:03,514 INFO L93 Difference]: Finished difference Result 126 states and 127 transitions. [2020-09-24 16:00:03,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-24 16:00:03,515 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 189 [2020-09-24 16:00:03,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:00:03,516 INFO L225 Difference]: With dead ends: 126 [2020-09-24 16:00:03,517 INFO L226 Difference]: Without dead ends: 120 [2020-09-24 16:00:03,518 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=718, Invalid=1262, Unknown=0, NotChecked=0, Total=1980 [2020-09-24 16:00:03,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-09-24 16:00:03,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-09-24 16:00:03,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-09-24 16:00:03,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 121 transitions. [2020-09-24 16:00:03,523 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 121 transitions. Word has length 189 [2020-09-24 16:00:03,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:00:03,523 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 121 transitions. [2020-09-24 16:00:03,524 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-09-24 16:00:03,524 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 121 transitions. [2020-09-24 16:00:03,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-09-24 16:00:03,525 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:00:03,525 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:00:03,526 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-24 16:00:03,526 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:00:03,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:00:03,526 INFO L82 PathProgramCache]: Analyzing trace with hash 848589853, now seen corresponding path program 20 times [2020-09-24 16:00:03,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:00:03,527 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1225542976] [2020-09-24 16:00:03,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:00:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:03,809 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:03,809 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:03,809 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:03,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:03,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-09-24 16:00:03,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:03,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-09-24 16:00:03,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:03,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-09-24 16:00:03,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 16:00:03,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-09-24 16:00:03,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:03,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:00:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:03,842 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:03,842 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:03,843 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:03,843 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:03,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:00:03,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:03,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:00:03,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:03,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:03,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:03,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:03,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:03,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 16:00:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:04,153 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:04,154 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:04,154 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:04,154 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:04,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-09-24 16:00:04,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:04,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-09-24 16:00:04,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:04,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-09-24 16:00:04,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 16:00:04,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 228 [2020-09-24 16:00:04,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:04,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:04,529 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:04,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:04,530 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:04,530 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:04,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-24 16:00:04,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:04,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-09-24 16:00:04,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:04,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-09-24 16:00:04,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:04,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-09-24 16:00:04,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:04,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:04,864 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:04,865 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:04,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:04,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:04,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-09-24 16:00:04,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:04,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-09-24 16:00:04,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:04,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-24 16:00:04,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:04,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-09-24 16:00:04,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:04,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:05,192 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:05,192 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:05,193 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:05,193 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:05,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 16:00:05,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:05,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236 [2020-09-24 16:00:05,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:05,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-24 16:00:05,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:05,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-09-24 16:00:05,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-24 16:00:05,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:05,472 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:05,472 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:05,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:05,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:05,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-09-24 16:00:05,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:05,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-09-24 16:00:05,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:05,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-24 16:00:05,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:05,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-09-24 16:00:05,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:05,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:05,739 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:05,739 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:05,739 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:05,740 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:05,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-09-24 16:00:05,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:05,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-09-24 16:00:05,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:05,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 16:00:05,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:05,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-09-24 16:00:05,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:05,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:05,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:05,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:05,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:05,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:05,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-24 16:00:05,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:05,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-09-24 16:00:05,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:05,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 16:00:05,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:05,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-09-24 16:00:05,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:05,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:06,109 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:06,109 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:06,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:06,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:06,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-09-24 16:00:06,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:06,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-24 16:00:06,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:06,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 16:00:06,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:06,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-24 16:00:06,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:06,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:06,262 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:06,262 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:06,262 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:06,262 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:06,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 16:00:06,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:06,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-24 16:00:06,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:06,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 16:00:06,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:06,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 16:00:06,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:06,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:06,404 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:06,404 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:06,405 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:06,405 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:06,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 16:00:06,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:06,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-09-24 16:00:06,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:06,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 16:00:06,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:06,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 16:00:06,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:06,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:06,544 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:06,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:06,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:06,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:06,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 16:00:06,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:06,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-24 16:00:06,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:06,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 16:00:06,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:06,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-24 16:00:06,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:06,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:06,656 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:06,656 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:06,657 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:06,657 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:06,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 16:00:06,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:06,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-24 16:00:06,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:06,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 16:00:06,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:06,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 16:00:06,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:06,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:06,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:06,754 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:06,754 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:06,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:06,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 16:00:06,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:06,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-24 16:00:06,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:06,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 16:00:06,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:06,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 16:00:06,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:06,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:06,847 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:06,847 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:06,847 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:06,847 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:06,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 16:00:06,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:06,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-24 16:00:06,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:06,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 16:00:06,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:06,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 16:00:06,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:06,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:06,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:06,934 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:06,934 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:06,934 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:06,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 16:00:06,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:06,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 16:00:06,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:06,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 16:00:06,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:06,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 16:00:06,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:06,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:07,006 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:07,007 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:07,007 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:07,007 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:07,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 16:00:07,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:07,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 16:00:07,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:07,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 16:00:07,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:07,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 16:00:07,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:07,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:07,077 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:07,077 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:07,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:07,078 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:07,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 16:00:07,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:07,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 16:00:07,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:07,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 16:00:07,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:07,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 16:00:07,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:07,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:07,190 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:07,190 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:07,190 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:07,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:07,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 16:00:07,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:07,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-24 16:00:07,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:07,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 16:00:07,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:07,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 16:00:07,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:07,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:07,243 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:07,243 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:07,244 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:07,244 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:07,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 16:00:07,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:07,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 16:00:07,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:07,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 16:00:07,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:07,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 16:00:07,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:07,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:07,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:07,290 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:07,290 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:07,290 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:07,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 16:00:07,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:07,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 16:00:07,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:07,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 16:00:07,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:07,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 16:00:07,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:07,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:07,334 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:07,334 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:07,335 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:07,335 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:07,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:00:07,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:07,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:00:07,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:07,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:00:07,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:07,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 16:00:07,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:07,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1810 backedges. 154 proven. 1185 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2020-09-24 16:00:07,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1225542976] [2020-09-24 16:00:07,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:00:07,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-09-24 16:00:07,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177518163] [2020-09-24 16:00:07,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-09-24 16:00:07,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:00:07,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-09-24 16:00:07,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=439, Unknown=0, NotChecked=0, Total=702 [2020-09-24 16:00:07,535 INFO L87 Difference]: Start difference. First operand 120 states and 121 transitions. Second operand 27 states. [2020-09-24 16:00:07,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:00:07,985 INFO L93 Difference]: Finished difference Result 131 states and 132 transitions. [2020-09-24 16:00:07,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-24 16:00:07,985 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 198 [2020-09-24 16:00:07,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:00:07,987 INFO L225 Difference]: With dead ends: 131 [2020-09-24 16:00:07,987 INFO L226 Difference]: Without dead ends: 125 [2020-09-24 16:00:07,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 420 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=809, Invalid=1447, Unknown=0, NotChecked=0, Total=2256 [2020-09-24 16:00:07,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-09-24 16:00:07,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-09-24 16:00:07,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-09-24 16:00:07,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 126 transitions. [2020-09-24 16:00:07,994 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 126 transitions. Word has length 198 [2020-09-24 16:00:07,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:00:07,995 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 126 transitions. [2020-09-24 16:00:07,995 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-09-24 16:00:07,995 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 126 transitions. [2020-09-24 16:00:07,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-24 16:00:07,996 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:00:07,997 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:00:07,997 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-09-24 16:00:07,997 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:00:07,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:00:07,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1304544963, now seen corresponding path program 21 times [2020-09-24 16:00:07,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:00:07,998 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1841561722] [2020-09-24 16:00:07,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:00:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:08,322 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:08,322 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:08,323 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:08,323 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:08,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-09-24 16:00:08,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:08,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 284 [2020-09-24 16:00:08,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:08,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-09-24 16:00:08,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 16:00:08,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-09-24 16:00:08,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:08,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:00:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:08,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:08,354 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:08,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:08,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:08,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:00:08,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:08,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:08,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:08,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:08,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:08,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:08,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:08,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 16:00:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:08,647 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:08,647 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:08,647 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:08,647 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:08,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-09-24 16:00:08,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:08,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-09-24 16:00:08,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:08,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-09-24 16:00:08,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 16:00:08,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 239 [2020-09-24 16:00:08,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:08,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:08,979 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:08,979 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:08,979 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:08,979 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:08,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-09-24 16:00:08,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:08,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 262 [2020-09-24 16:00:08,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:08,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-09-24 16:00:08,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:08,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 229 [2020-09-24 16:00:08,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:09,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:09,261 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:09,261 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:09,261 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:09,261 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:09,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-24 16:00:09,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:09,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-09-24 16:00:09,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:09,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-09-24 16:00:09,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:09,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-09-24 16:00:09,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:09,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:09,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:09,532 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:09,532 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:09,532 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:09,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-09-24 16:00:09,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:09,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-09-24 16:00:09,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:09,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-24 16:00:09,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:09,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-09-24 16:00:09,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:09,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:09,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:09,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:09,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:09,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:09,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 16:00:09,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:09,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-09-24 16:00:09,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:09,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-24 16:00:09,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:09,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-09-24 16:00:09,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:09,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:10,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:10,006 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:10,006 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:10,006 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:10,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-09-24 16:00:10,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:10,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-09-24 16:00:10,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-24 16:00:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:10,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-09-24 16:00:10,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:10,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:10,211 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:10,212 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:10,212 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:10,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:10,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-09-24 16:00:10,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:10,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-09-24 16:00:10,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:10,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 16:00:10,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:10,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-09-24 16:00:10,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:10,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:10,439 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:10,440 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:10,440 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:10,440 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:10,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-24 16:00:10,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:10,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-09-24 16:00:10,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:10,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 16:00:10,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:10,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-09-24 16:00:10,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:10,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:10,610 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:10,611 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:10,611 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:10,611 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:10,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-09-24 16:00:10,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:10,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-24 16:00:10,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:10,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 16:00:10,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:10,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-24 16:00:10,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:10,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:10,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:10,754 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:10,754 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:10,754 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:10,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 16:00:10,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:10,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-24 16:00:10,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:10,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 16:00:10,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:10,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 16:00:10,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:10,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:10,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:10,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:10,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:10,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:10,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 16:00:10,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:10,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-24 16:00:10,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:10,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 16:00:10,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:10,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 16:00:10,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:10,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:10,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:10,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:10,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:10,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:10,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 16:00:10,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:10,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-24 16:00:10,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:10,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 16:00:10,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:10,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-24 16:00:10,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:11,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:11,102 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:11,102 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:11,102 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:11,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:11,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 16:00:11,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:11,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-24 16:00:11,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:11,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 16:00:11,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:11,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 16:00:11,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:11,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:11,197 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:11,197 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:11,197 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:11,198 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:11,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 16:00:11,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:11,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-24 16:00:11,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:11,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 16:00:11,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:11,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 16:00:11,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:11,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:11,280 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:11,280 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:11,281 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:11,281 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:11,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 16:00:11,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:11,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 16:00:11,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:11,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 16:00:11,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:11,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 16:00:11,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:11,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:11,355 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:11,355 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:11,355 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:11,355 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:11,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 16:00:11,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:11,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 16:00:11,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:11,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 16:00:11,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:11,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 16:00:11,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:11,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:11,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:11,422 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:11,422 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:11,423 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:11,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 16:00:11,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:11,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 16:00:11,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:11,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 16:00:11,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:11,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 16:00:11,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:11,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:11,483 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:11,483 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:11,483 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:11,484 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:11,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 16:00:11,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:11,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 16:00:11,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:11,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 16:00:11,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:11,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 16:00:11,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:11,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:11,540 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:11,540 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:11,540 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:11,541 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:11,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 16:00:11,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:11,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 16:00:11,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:11,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 16:00:11,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:11,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 16:00:11,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:11,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:11,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:11,592 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:11,592 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:11,592 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:11,593 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:11,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 16:00:11,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:11,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 16:00:11,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:11,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 16:00:11,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:11,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 16:00:11,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:11,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:11,638 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:11,639 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:11,639 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:11,639 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:11,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 16:00:11,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:11,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 16:00:11,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:11,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 16:00:11,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:11,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 16:00:11,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:11,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:11,684 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:11,684 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:11,684 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:11,685 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:11,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:00:11,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:11,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:00:11,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:11,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:00:11,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:11,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 16:00:11,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:11,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1995 backedges. 111 proven. 1309 refuted. 0 times theorem prover too weak. 575 trivial. 0 not checked. [2020-09-24 16:00:11,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1841561722] [2020-09-24 16:00:11,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:00:11,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-09-24 16:00:11,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559875987] [2020-09-24 16:00:11,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-09-24 16:00:11,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:00:11,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-09-24 16:00:11,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=419, Unknown=0, NotChecked=0, Total=702 [2020-09-24 16:00:11,927 INFO L87 Difference]: Start difference. First operand 125 states and 126 transitions. Second operand 27 states. [2020-09-24 16:00:12,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:00:12,423 INFO L93 Difference]: Finished difference Result 136 states and 137 transitions. [2020-09-24 16:00:12,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-24 16:00:12,426 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 207 [2020-09-24 16:00:12,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:00:12,428 INFO L225 Difference]: With dead ends: 136 [2020-09-24 16:00:12,428 INFO L226 Difference]: Without dead ends: 130 [2020-09-24 16:00:12,429 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=855, Invalid=1497, Unknown=0, NotChecked=0, Total=2352 [2020-09-24 16:00:12,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-09-24 16:00:12,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2020-09-24 16:00:12,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-09-24 16:00:12,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 131 transitions. [2020-09-24 16:00:12,435 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 131 transitions. Word has length 207 [2020-09-24 16:00:12,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:00:12,435 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 131 transitions. [2020-09-24 16:00:12,435 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-09-24 16:00:12,435 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 131 transitions. [2020-09-24 16:00:12,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-24 16:00:12,437 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:00:12,437 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:00:12,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-09-24 16:00:12,437 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:00:12,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:00:12,438 INFO L82 PathProgramCache]: Analyzing trace with hash 639479047, now seen corresponding path program 22 times [2020-09-24 16:00:12,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:00:12,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1122039322] [2020-09-24 16:00:12,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:00:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:12,758 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:12,758 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:12,758 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:12,759 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:12,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-09-24 16:00:12,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:12,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 286 [2020-09-24 16:00:12,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:12,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-09-24 16:00:12,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 16:00:12,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-09-24 16:00:12,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:12,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:00:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:12,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:12,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:12,799 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:12,799 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:12,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:00:12,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:12,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:00:12,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:12,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:12,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:12,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:12,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:12,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 16:00:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:13,142 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:13,142 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:13,143 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:13,143 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:13,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-09-24 16:00:13,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:13,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-09-24 16:00:13,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:13,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-09-24 16:00:13,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 16:00:13,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 250 [2020-09-24 16:00:13,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:13,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:13,515 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:13,516 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:13,516 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:13,516 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:13,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-09-24 16:00:13,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:13,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-09-24 16:00:13,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:13,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-09-24 16:00:13,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:13,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 240 [2020-09-24 16:00:13,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:13,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:13,840 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:13,840 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:13,840 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:13,840 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:13,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-09-24 16:00:13,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:13,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 252 [2020-09-24 16:00:13,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:13,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-09-24 16:00:13,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:13,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 229 [2020-09-24 16:00:13,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:13,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:14,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:14,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:14,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:14,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:14,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-24 16:00:14,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:14,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-09-24 16:00:14,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:14,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-09-24 16:00:14,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:14,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-09-24 16:00:14,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:14,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:14,414 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:14,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:14,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:14,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:14,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-09-24 16:00:14,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:14,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-09-24 16:00:14,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:14,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-24 16:00:14,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:14,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-09-24 16:00:14,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:14,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:14,657 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:14,657 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:14,657 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:14,657 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:14,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 16:00:14,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:14,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-09-24 16:00:14,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:14,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-24 16:00:14,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:14,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-09-24 16:00:14,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:14,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:14,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:14,868 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:14,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:14,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:14,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-09-24 16:00:14,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:14,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-09-24 16:00:14,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:14,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-24 16:00:14,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:14,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-09-24 16:00:14,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:14,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:15,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:15,066 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:15,066 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:15,066 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:15,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-09-24 16:00:15,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:15,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-09-24 16:00:15,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:15,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 16:00:15,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:15,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-09-24 16:00:15,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:15,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:15,261 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:15,262 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:15,262 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:15,262 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:15,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-24 16:00:15,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:15,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-09-24 16:00:15,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:15,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 16:00:15,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:15,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-09-24 16:00:15,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:15,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:15,439 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:15,440 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:15,440 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:15,440 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:15,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-09-24 16:00:15,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:15,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-24 16:00:15,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:15,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 16:00:15,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:15,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-24 16:00:15,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:15,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:15,605 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:15,606 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:15,606 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:15,606 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:15,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 16:00:15,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:15,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-24 16:00:15,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:15,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 16:00:15,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:15,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 16:00:15,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:15,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:15,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:15,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:15,742 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:15,742 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:15,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 16:00:15,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:15,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-24 16:00:15,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:15,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 16:00:15,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:15,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 16:00:15,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:15,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:15,861 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:15,861 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:15,861 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:15,862 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:15,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 16:00:15,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:15,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-24 16:00:15,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:15,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 16:00:15,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:15,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-24 16:00:15,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:15,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:15,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:15,969 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:15,969 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:15,969 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:15,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 16:00:15,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:15,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-24 16:00:15,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:15,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 16:00:15,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:15,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 16:00:15,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:16,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:16,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:16,070 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:16,070 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:16,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:16,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 16:00:16,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:16,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 16:00:16,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:16,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 16:00:16,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:16,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 16:00:16,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:16,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:16,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:16,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:16,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:16,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:16,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 16:00:16,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:16,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 16:00:16,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:16,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 16:00:16,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:16,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 16:00:16,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:16,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:16,237 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:16,238 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:16,238 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:16,238 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:16,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 16:00:16,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:16,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 16:00:16,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:16,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 16:00:16,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:16,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 16:00:16,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:16,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:16,309 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:16,310 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:16,310 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:16,310 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:16,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 16:00:16,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:16,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 16:00:16,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:16,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 16:00:16,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:16,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 16:00:16,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:16,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:16,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:16,379 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:16,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:16,380 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:16,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 16:00:16,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:16,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 16:00:16,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:16,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 16:00:16,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:16,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 16:00:16,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:16,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:16,480 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:16,480 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:16,480 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:16,481 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:16,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 16:00:16,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:16,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 16:00:16,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:16,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 16:00:16,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:16,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 16:00:16,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:16,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:16,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:16,533 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:16,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:16,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:16,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 16:00:16,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:16,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 16:00:16,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:16,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 16:00:16,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:16,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 16:00:16,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:16,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:16,582 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:16,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:16,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:16,583 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:16,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 16:00:16,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:16,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 16:00:16,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:16,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 16:00:16,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:16,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 16:00:16,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:16,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:16,638 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:16,639 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:16,639 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:16,640 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:16,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:00:16,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:16,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:00:16,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:16,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:00:16,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:16,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 16:00:16,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:16,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2189 backedges. 195 proven. 1319 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2020-09-24 16:00:16,888 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1122039322] [2020-09-24 16:00:16,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:00:16,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-09-24 16:00:16,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920647725] [2020-09-24 16:00:16,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-09-24 16:00:16,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:00:16,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-09-24 16:00:16,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=502, Unknown=0, NotChecked=0, Total=812 [2020-09-24 16:00:16,890 INFO L87 Difference]: Start difference. First operand 130 states and 131 transitions. Second operand 29 states. [2020-09-24 16:00:17,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:00:17,409 INFO L93 Difference]: Finished difference Result 141 states and 142 transitions. [2020-09-24 16:00:17,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-24 16:00:17,409 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 216 [2020-09-24 16:00:17,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:00:17,412 INFO L225 Difference]: With dead ends: 141 [2020-09-24 16:00:17,412 INFO L226 Difference]: Without dead ends: 135 [2020-09-24 16:00:17,414 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 506 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=954, Invalid=1698, Unknown=0, NotChecked=0, Total=2652 [2020-09-24 16:00:17,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-09-24 16:00:17,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2020-09-24 16:00:17,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-09-24 16:00:17,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 136 transitions. [2020-09-24 16:00:17,419 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 136 transitions. Word has length 216 [2020-09-24 16:00:17,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:00:17,419 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 136 transitions. [2020-09-24 16:00:17,419 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-09-24 16:00:17,419 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 136 transitions. [2020-09-24 16:00:17,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-09-24 16:00:17,421 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:00:17,421 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:00:17,421 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-09-24 16:00:17,421 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:00:17,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:00:17,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1706508121, now seen corresponding path program 23 times [2020-09-24 16:00:17,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:00:17,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399669365] [2020-09-24 16:00:17,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:00:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:17,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:17,796 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:17,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:17,796 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:17,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-09-24 16:00:17,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:17,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 334 [2020-09-24 16:00:17,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:17,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-09-24 16:00:17,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 16:00:17,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-09-24 16:00:17,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:17,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:00:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:17,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:17,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:17,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:17,828 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:17,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:00:17,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:17,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:00:17,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:17,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:17,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:17,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:17,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:17,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 16:00:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:18,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:18,159 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:18,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:18,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:18,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-09-24 16:00:18,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:18,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 301 [2020-09-24 16:00:18,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:18,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-09-24 16:00:18,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 16:00:18,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 261 [2020-09-24 16:00:18,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:18,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:18,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:18,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:18,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:18,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:18,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-09-24 16:00:18,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:18,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 291 [2020-09-24 16:00:18,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:18,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-09-24 16:00:18,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:18,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 251 [2020-09-24 16:00:18,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:18,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:18,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:18,868 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:18,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:18,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:18,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-09-24 16:00:18,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:18,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 272 [2020-09-24 16:00:18,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:18,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-09-24 16:00:18,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:18,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 240 [2020-09-24 16:00:18,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:18,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:19,171 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:19,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:19,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:19,172 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:19,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-09-24 16:00:19,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:19,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-09-24 16:00:19,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:19,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-09-24 16:00:19,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:19,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 229 [2020-09-24 16:00:19,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:19,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:19,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:19,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:19,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:19,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:19,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-24 16:00:19,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:19,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-09-24 16:00:19,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:19,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-09-24 16:00:19,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:19,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-09-24 16:00:19,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:19,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:19,717 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:19,717 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:19,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:19,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:19,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-09-24 16:00:19,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:19,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 194 [2020-09-24 16:00:19,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:19,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-24 16:00:19,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:19,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-09-24 16:00:19,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:19,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:19,990 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:19,990 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:19,990 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:19,990 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:19,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 16:00:19,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:19,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-09-24 16:00:19,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:19,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-24 16:00:19,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:19,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-09-24 16:00:19,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:20,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:20,218 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:20,218 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:20,219 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:20,219 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:20,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-09-24 16:00:20,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:20,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-09-24 16:00:20,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:20,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-24 16:00:20,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:20,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-09-24 16:00:20,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:20,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:20,416 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:20,416 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:20,417 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:20,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:20,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-09-24 16:00:20,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:20,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-09-24 16:00:20,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:20,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 16:00:20,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:20,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-09-24 16:00:20,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:20,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:20,600 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:20,601 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:20,601 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:20,601 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:20,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-24 16:00:20,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:20,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-24 16:00:20,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:20,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 16:00:20,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:20,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-09-24 16:00:20,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:20,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:20,802 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:20,802 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:20,802 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:20,803 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:20,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-09-24 16:00:20,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:20,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-09-24 16:00:20,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:20,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 16:00:20,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:20,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-24 16:00:20,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:20,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:20,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:20,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:20,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:20,950 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:20,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 16:00:20,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:20,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-24 16:00:20,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:20,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 16:00:20,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:20,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 16:00:20,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:20,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:21,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:21,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:21,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:21,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:21,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 16:00:21,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:21,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-24 16:00:21,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:21,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 16:00:21,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:21,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 16:00:21,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:21,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:21,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:21,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:21,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:21,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:21,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 16:00:21,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:21,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-24 16:00:21,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:21,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 16:00:21,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:21,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-24 16:00:21,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:21,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:21,316 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:21,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:21,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:21,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:21,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 16:00:21,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:21,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-24 16:00:21,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:21,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 16:00:21,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:21,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 16:00:21,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:21,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:21,412 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:21,413 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:21,413 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:21,413 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:21,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 16:00:21,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:21,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-24 16:00:21,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:21,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 16:00:21,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:21,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 16:00:21,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:21,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:21,501 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:21,501 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:21,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:21,502 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:21,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 16:00:21,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:21,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 16:00:21,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:21,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 16:00:21,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:21,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 16:00:21,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:21,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:21,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:21,578 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:21,579 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:21,579 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:21,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 16:00:21,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:21,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 16:00:21,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:21,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 16:00:21,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:21,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 16:00:21,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:21,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:21,648 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:21,649 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:21,649 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:21,649 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:21,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 16:00:21,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:21,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 16:00:21,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:21,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 16:00:21,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:21,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 16:00:21,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:21,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:21,713 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:21,713 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:21,713 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:21,714 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:21,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 16:00:21,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:21,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 16:00:21,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:21,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 16:00:21,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:21,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 16:00:21,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:21,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:21,777 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:21,778 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:21,778 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:21,778 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:21,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 16:00:21,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:21,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 16:00:21,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:21,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 16:00:21,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:21,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 16:00:21,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:21,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:21,832 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:21,832 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:21,833 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:21,833 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:21,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 16:00:21,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:21,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 16:00:21,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:21,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 16:00:21,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:21,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 16:00:21,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:21,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:21,882 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:21,883 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:21,883 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:21,883 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:21,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 16:00:21,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:21,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 16:00:21,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:21,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 16:00:21,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:21,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 16:00:21,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:21,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:21,931 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:21,931 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:21,931 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:21,932 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:21,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:00:21,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:21,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:00:21,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:21,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:00:21,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:21,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 16:00:21,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:22,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2392 backedges. 194 proven. 1533 refuted. 0 times theorem prover too weak. 665 trivial. 0 not checked. [2020-09-24 16:00:22,244 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1399669365] [2020-09-24 16:00:22,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:00:22,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-09-24 16:00:22,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169953462] [2020-09-24 16:00:22,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-09-24 16:00:22,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:00:22,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-09-24 16:00:22,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=332, Invalid=480, Unknown=0, NotChecked=0, Total=812 [2020-09-24 16:00:22,246 INFO L87 Difference]: Start difference. First operand 135 states and 136 transitions. Second operand 29 states. [2020-09-24 16:00:22,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:00:22,733 INFO L93 Difference]: Finished difference Result 146 states and 147 transitions. [2020-09-24 16:00:22,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-24 16:00:22,734 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 225 [2020-09-24 16:00:22,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:00:22,736 INFO L225 Difference]: With dead ends: 146 [2020-09-24 16:00:22,736 INFO L226 Difference]: Without dead ends: 140 [2020-09-24 16:00:22,737 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 552 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1004, Invalid=1752, Unknown=0, NotChecked=0, Total=2756 [2020-09-24 16:00:22,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-09-24 16:00:22,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2020-09-24 16:00:22,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-09-24 16:00:22,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 141 transitions. [2020-09-24 16:00:22,743 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 141 transitions. Word has length 225 [2020-09-24 16:00:22,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:00:22,743 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 141 transitions. [2020-09-24 16:00:22,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-09-24 16:00:22,744 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 141 transitions. [2020-09-24 16:00:22,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-24 16:00:22,745 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:00:22,745 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:00:22,745 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-09-24 16:00:22,746 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:00:22,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:00:22,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1861065457, now seen corresponding path program 24 times [2020-09-24 16:00:22,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:00:22,746 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [923949722] [2020-09-24 16:00:22,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:00:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:23,133 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:23,133 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:23,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:23,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:23,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 291 [2020-09-24 16:00:23,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:23,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 353 [2020-09-24 16:00:23,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:23,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-09-24 16:00:23,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 16:00:23,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-24 16:00:23,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:23,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:00:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:23,170 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:23,170 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:23,170 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:23,171 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:23,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:00:23,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:23,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:23,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:23,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:23,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 16:00:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat