/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/Ackermann04.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:56:37,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:56:37,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:56:37,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:56:37,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:56:37,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:56:37,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:56:37,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:56:37,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:56:37,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:56:37,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:56:37,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:56:37,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:56:37,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:56:37,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:56:37,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:56:37,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:56:37,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:56:37,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:56:37,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:56:37,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:56:37,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:56:37,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:56:37,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:56:37,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:56:37,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:56:37,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:56:37,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:56:37,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:56:37,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:56:37,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:56:37,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:56:37,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:56:37,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:56:37,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:56:37,930 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:56:37,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:56:37,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:56:37,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:56:37,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:56:37,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:56:37,935 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 15:56:37,970 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:56:37,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:56:37,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:56:37,972 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:56:37,973 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:56:37,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:56:37,973 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:56:37,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:56:37,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:56:37,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:56:37,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:56:37,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:56:37,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:56:37,974 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:56:37,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:56:37,976 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:56:37,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:56:37,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:56:37,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:56:37,977 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:56:37,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:56:37,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:56:37,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:56:37,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:56:37,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:56:37,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:56:37,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:56:37,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:56:37,979 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:56:37,979 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 15:56:38,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:56:38,521 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:56:38,525 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:56:38,527 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:56:38,527 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:56:38,528 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Ackermann04.c [2020-09-24 15:56:38,610 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7185bb225/3f34e05c2e7340bcbe0c97afac933daf/FLAG1fc32ff44 [2020-09-24 15:56:39,154 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:56:39,155 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/Ackermann04.c [2020-09-24 15:56:39,164 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7185bb225/3f34e05c2e7340bcbe0c97afac933daf/FLAG1fc32ff44 [2020-09-24 15:56:39,476 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7185bb225/3f34e05c2e7340bcbe0c97afac933daf [2020-09-24 15:56:39,492 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:56:39,497 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:56:39,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:56:39,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:56:39,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:56:39,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:56:39" (1/1) ... [2020-09-24 15:56:39,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f21738f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:39, skipping insertion in model container [2020-09-24 15:56:39,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:56:39" (1/1) ... [2020-09-24 15:56:39,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:56:39,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:56:39,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:56:39,762 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:56:39,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:56:39,798 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:56:39,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:39 WrapperNode [2020-09-24 15:56:39,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:56:39,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:56:39,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:56:39,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:56:39,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:39" (1/1) ... [2020-09-24 15:56:39,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:39" (1/1) ... [2020-09-24 15:56:39,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:39" (1/1) ... [2020-09-24 15:56:39,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:39" (1/1) ... [2020-09-24 15:56:39,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:39" (1/1) ... [2020-09-24 15:56:39,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:39" (1/1) ... [2020-09-24 15:56:39,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:39" (1/1) ... [2020-09-24 15:56:39,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:56:39,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:56:39,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:56:39,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:56:39,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:39" (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 15:56:39,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:56:39,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:56:39,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ackermann [2020-09-24 15:56:39,994 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:56:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:56:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:56:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure ackermann [2020-09-24 15:56:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:56:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:56:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:56:40,281 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:56:40,281 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 15:56:40,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:56:40 BoogieIcfgContainer [2020-09-24 15:56:40,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:56:40,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:56:40,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:56:40,304 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:56:40,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:56:39" (1/3) ... [2020-09-24 15:56:40,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c75b97e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:56:40, skipping insertion in model container [2020-09-24 15:56:40,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:39" (2/3) ... [2020-09-24 15:56:40,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c75b97e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:56:40, skipping insertion in model container [2020-09-24 15:56:40,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:56:40" (3/3) ... [2020-09-24 15:56:40,323 INFO L109 eAbstractionObserver]: Analyzing ICFG Ackermann04.c [2020-09-24 15:56:40,345 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:56:40,360 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:56:40,380 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:56:40,409 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:56:40,409 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:56:40,409 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:56:40,409 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:56:40,410 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:56:40,410 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:56:40,410 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:56:40,410 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:56:40,432 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-09-24 15:56:40,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-09-24 15:56:40,441 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:40,442 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:40,442 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:40,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:40,449 INFO L82 PathProgramCache]: Analyzing trace with hash -852610024, now seen corresponding path program 1 times [2020-09-24 15:56:40,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:40,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [692901435] [2020-09-24 15:56:40,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:40,632 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:40,632 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:40,632 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:40,633 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:40,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:56:40,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:40,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 15:56:40,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:40,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:56:40,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:56:40,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 15:56:40,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:40,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:40,724 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:40,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:40,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:40,725 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:40,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:40,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:40,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:40,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:40,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:40,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:40,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:40,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:40,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 15:56:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:40,751 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:40,751 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:40,752 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:40,752 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:40,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:40,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:40,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:56:40,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:40,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:56:40,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:40,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:40,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:40,827 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 15:56:40,828 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [692901435] [2020-09-24 15:56:40,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:56:40,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:56:40,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160541625] [2020-09-24 15:56:40,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:56:40,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:40,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:56:40,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:56:40,859 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 5 states. [2020-09-24 15:56:41,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:41,024 INFO L93 Difference]: Finished difference Result 88 states and 110 transitions. [2020-09-24 15:56:41,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:56:41,026 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-09-24 15:56:41,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:41,042 INFO L225 Difference]: With dead ends: 88 [2020-09-24 15:56:41,042 INFO L226 Difference]: Without dead ends: 45 [2020-09-24 15:56:41,048 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 15:56:41,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-09-24 15:56:41,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-09-24 15:56:41,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-09-24 15:56:41,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 52 transitions. [2020-09-24 15:56:41,113 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 52 transitions. Word has length 24 [2020-09-24 15:56:41,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:41,114 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 52 transitions. [2020-09-24 15:56:41,114 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:56:41,114 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2020-09-24 15:56:41,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-09-24 15:56:41,118 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:41,118 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, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:41,119 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:56:41,119 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:41,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:41,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1574290279, now seen corresponding path program 1 times [2020-09-24 15:56:41,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:41,121 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1598943773] [2020-09-24 15:56:41,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:41,162 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:41,163 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:41,163 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:41,163 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:41,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:56:41,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:41,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:56:41,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:41,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:56:41,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:56:41,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:56:41,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:41,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:41,216 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:41,217 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:41,217 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:41,217 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:41,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:41,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:41,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:41,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:41,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:41,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:41,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:41,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:41,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 15:56:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:41,242 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:41,243 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:41,243 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:41,243 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:41,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:41,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:41,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:56:41,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:41,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:56:41,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:41,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:56:41,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:41,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:41,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:41,310 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:41,311 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:41,311 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:41,311 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:41,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:41,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:41,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:56:41,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:41,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:41,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:41,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:41,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:41,324 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:56:41,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1598943773] [2020-09-24 15:56:41,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:41,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-24 15:56:41,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525057778] [2020-09-24 15:56:41,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:56:41,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:41,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:56:41,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:56:41,329 INFO L87 Difference]: Start difference. First operand 45 states and 52 transitions. Second operand 5 states. [2020-09-24 15:56:41,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:41,423 INFO L93 Difference]: Finished difference Result 83 states and 108 transitions. [2020-09-24 15:56:41,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:56:41,424 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-09-24 15:56:41,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:41,427 INFO L225 Difference]: With dead ends: 83 [2020-09-24 15:56:41,428 INFO L226 Difference]: Without dead ends: 47 [2020-09-24 15:56:41,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 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 15:56:41,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-09-24 15:56:41,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-09-24 15:56:41,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-09-24 15:56:41,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 56 transitions. [2020-09-24 15:56:41,443 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 56 transitions. Word has length 34 [2020-09-24 15:56:41,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:41,443 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 56 transitions. [2020-09-24 15:56:41,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:56:41,444 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2020-09-24 15:56:41,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 15:56:41,447 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:41,447 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:41,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:56:41,447 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:41,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:41,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1685750542, now seen corresponding path program 1 times [2020-09-24 15:56:41,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:41,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2144552249] [2020-09-24 15:56:41,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:41,502 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:41,503 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:41,503 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:41,503 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:41,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-24 15:56:41,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:41,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:56:41,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:41,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:56:41,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:56:41,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-24 15:56:41,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:41,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:41,573 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:41,574 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:41,574 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:41,574 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:41,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:41,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:41,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:41,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:41,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:41,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:41,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:41,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:41,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 15:56:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:41,648 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:41,648 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:41,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:41,649 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:41,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-24 15:56:41,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:41,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 15:56:41,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:41,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:56:41,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:41,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-24 15:56:41,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:41,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:41,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:41,737 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:41,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:41,738 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:41,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:41,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:41,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:56:41,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:41,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:41,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:41,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:56:41,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:41,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:41,772 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:41,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:41,773 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:41,773 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:41,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:41,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:41,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:41,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:41,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:41,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:41,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:41,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:41,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 15:56:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:41,785 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:41,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:41,785 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:41,786 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:41,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:41,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:41,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:41,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:41,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:41,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:41,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:41,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:41,798 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-24 15:56:41,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2144552249] [2020-09-24 15:56:41,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:41,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-24 15:56:41,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649870449] [2020-09-24 15:56:41,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:56:41,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:41,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:56:41,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:56:41,801 INFO L87 Difference]: Start difference. First operand 47 states and 56 transitions. Second operand 7 states. [2020-09-24 15:56:41,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:41,969 INFO L93 Difference]: Finished difference Result 97 states and 129 transitions. [2020-09-24 15:56:41,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 15:56:41,970 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-09-24 15:56:41,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:41,974 INFO L225 Difference]: With dead ends: 97 [2020-09-24 15:56:41,975 INFO L226 Difference]: Without dead ends: 91 [2020-09-24 15:56:41,976 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 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 15:56:41,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-09-24 15:56:41,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-09-24 15:56:41,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-09-24 15:56:41,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 123 transitions. [2020-09-24 15:56:41,996 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 123 transitions. Word has length 53 [2020-09-24 15:56:41,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:41,997 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 123 transitions. [2020-09-24 15:56:41,997 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:56:41,997 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 123 transitions. [2020-09-24 15:56:42,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-09-24 15:56:42,003 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:42,008 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:42,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:56:42,008 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:42,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:42,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1817818703, now seen corresponding path program 2 times [2020-09-24 15:56:42,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:42,009 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1917479111] [2020-09-24 15:56:42,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:42,090 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:42,090 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:42,091 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:42,091 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:42,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 15:56:42,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:42,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 15:56:42,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:42,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:56:42,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:56:42,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-24 15:56:42,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:42,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:42,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:42,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:42,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:42,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:42,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:42,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:42,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:42,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:42,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:42,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:42,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:42,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:42,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 15:56:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:42,210 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:42,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:42,211 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:42,211 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:42,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-24 15:56:42,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:42,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 15:56:42,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:42,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:56:42,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:42,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-24 15:56:42,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:42,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:42,296 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:42,296 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:42,296 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:42,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:42,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-24 15:56:42,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:42,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 15:56:42,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:42,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:56:42,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:42,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-24 15:56:42,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-24 15:56:42,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:42,330 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:42,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:42,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:42,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:42,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:42,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:42,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:56:42,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:42,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:42,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:42,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:56:42,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:42,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:42,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:42,351 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:42,351 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:42,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:42,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:42,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:42,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:56:42,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:42,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:42,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:42,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:42,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:42,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 15:56:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:42,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:42,379 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:42,380 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:42,380 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:42,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:42,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:42,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:42,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:42,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:42,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:42,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:42,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:42,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-24 15:56:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:42,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:42,392 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:42,392 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:42,392 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:42,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:42,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:42,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:42,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:42,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:42,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:42,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:42,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:42,413 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 6 proven. 40 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-09-24 15:56:42,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1917479111] [2020-09-24 15:56:42,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:42,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-24 15:56:42,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677703945] [2020-09-24 15:56:42,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:56:42,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:42,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:56:42,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:56:42,416 INFO L87 Difference]: Start difference. First operand 91 states and 123 transitions. Second operand 7 states. [2020-09-24 15:56:42,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:42,588 INFO L93 Difference]: Finished difference Result 171 states and 254 transitions. [2020-09-24 15:56:42,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:56:42,588 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2020-09-24 15:56:42,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:42,595 INFO L225 Difference]: With dead ends: 171 [2020-09-24 15:56:42,595 INFO L226 Difference]: Without dead ends: 165 [2020-09-24 15:56:42,596 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 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 15:56:42,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-09-24 15:56:42,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2020-09-24 15:56:42,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-09-24 15:56:42,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 248 transitions. [2020-09-24 15:56:42,631 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 248 transitions. Word has length 72 [2020-09-24 15:56:42,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:42,631 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 248 transitions. [2020-09-24 15:56:42,631 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:56:42,632 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 248 transitions. [2020-09-24 15:56:42,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-24 15:56:42,642 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:42,643 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 11, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:42,643 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:56:42,643 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:42,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:42,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1454565455, now seen corresponding path program 3 times [2020-09-24 15:56:42,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:42,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [372254941] [2020-09-24 15:56:42,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:42,802 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:42,802 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:42,802 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:42,802 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:42,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-09-24 15:56:42,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:42,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-24 15:56:42,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:42,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:56:42,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:56:42,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-24 15:56:42,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:42,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:42,843 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:42,843 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:42,843 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:42,843 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:42,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:42,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:42,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:42,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:42,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:42,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:42,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:42,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:42,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 15:56:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:42,905 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:42,905 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:42,906 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:42,906 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:42,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 15:56:42,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:42,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 15:56:42,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:42,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:56:42,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-24 15:56:42,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-24 15:56:42,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:42,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:43,012 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:43,013 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:43,013 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:43,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:43,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-09-24 15:56:43,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:43,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-24 15:56:43,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:43,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 15:56:43,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:56:43,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-24 15:56:43,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:43,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:43,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:43,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:43,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:43,073 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:43,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-24 15:56:43,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:43,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:56:43,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:43,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:56:43,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:43,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-24 15:56:43,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:43,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:43,114 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:43,114 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:43,115 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:43,115 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:43,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-24 15:56:43,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:43,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:56:43,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:43,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:43,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:43,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-24 15:56:43,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:43,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:43,154 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:43,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:43,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:43,155 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:43,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:43,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:43,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:43,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:43,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:43,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:43,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:56:43,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:43,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:43,164 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:43,164 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:43,164 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:43,164 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:43,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:43,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:43,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:43,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:43,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:43,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:43,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:43,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:43,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 15:56:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:43,176 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:43,176 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:43,177 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:43,177 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:43,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:43,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:43,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:56:43,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:43,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:43,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:43,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:43,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:43,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-24 15:56:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:43,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:43,224 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:43,225 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:43,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:43,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-24 15:56:43,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:43,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:56:43,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:43,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:56:43,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:56:43,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-24 15:56:43,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:43,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:43,271 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:43,271 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:43,272 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:43,272 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:43,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-24 15:56:43,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:43,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:56:43,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:43,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:56:43,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:43,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-24 15:56:43,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:43,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:43,311 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:43,311 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:43,312 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:43,312 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:43,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:43,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:43,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:56:43,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:43,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:43,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:43,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:56:43,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:43,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:43,343 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:43,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:43,344 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:43,344 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:43,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:43,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:43,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:43,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:43,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:43,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:43,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:43,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:43,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 15:56:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:43,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:43,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:43,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:43,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:43,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:43,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:43,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:43,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:43,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:43,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:43,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:43,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:43,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-09-24 15:56:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:43,405 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:43,406 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:43,406 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:43,406 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:43,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-24 15:56:43,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:43,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:43,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:43,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:43,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-09-24 15:56:43,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:43,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:43,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:43,421 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:43,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:43,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:43,421 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:43,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-24 15:56:43,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:43,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:43,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:43,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:43,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:43,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:43,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:43,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:43,434 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:43,434 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:43,434 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:43,435 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:43,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:43,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:43,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:43,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:43,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:43,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:43,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:43,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:43,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:43,443 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:43,444 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:43,444 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:43,444 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:43,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:43,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:43,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:43,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:43,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:43,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:43,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:43,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:43,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 15:56:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:43,452 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:43,452 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:43,452 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:43,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:43,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:43,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:43,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:43,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:43,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:43,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:43,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:43,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:43,536 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 210 proven. 330 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2020-09-24 15:56:43,536 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [372254941] [2020-09-24 15:56:43,537 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:43,537 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-24 15:56:43,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345119808] [2020-09-24 15:56:43,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:56:43,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:43,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:56:43,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:56:43,539 INFO L87 Difference]: Start difference. First operand 165 states and 248 transitions. Second operand 12 states. [2020-09-24 15:56:43,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:43,946 INFO L93 Difference]: Finished difference Result 333 states and 649 transitions. [2020-09-24 15:56:43,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:56:43,947 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 179 [2020-09-24 15:56:43,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:43,952 INFO L225 Difference]: With dead ends: 333 [2020-09-24 15:56:43,952 INFO L226 Difference]: Without dead ends: 156 [2020-09-24 15:56:43,956 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:56:43,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-09-24 15:56:43,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 145. [2020-09-24 15:56:43,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-09-24 15:56:43,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 213 transitions. [2020-09-24 15:56:43,982 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 213 transitions. Word has length 179 [2020-09-24 15:56:43,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:43,983 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 213 transitions. [2020-09-24 15:56:43,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 15:56:43,983 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 213 transitions. [2020-09-24 15:56:43,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-09-24 15:56:43,985 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:43,986 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 7, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:43,986 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:56:43,986 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:43,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:43,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1778048969, now seen corresponding path program 4 times [2020-09-24 15:56:43,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:43,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [421807758] [2020-09-24 15:56:43,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:44,043 FATAL L256 erpolLogProxyWrapper]: Difference in size: 17 [2020-09-24 15:56:44,043 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -43 [2020-09-24 15:56:44,043 FATAL L256 erpolLogProxyWrapper]: Difference in width: 43 [2020-09-24 15:56:44,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:44,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-09-24 15:56:44,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:44,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 15:56:44,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:44,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:56:44,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-09-24 15:56:44,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-24 15:56:44,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:44,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:44,089 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:44,089 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:44,090 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:44,090 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:44,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:44,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:44,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:44,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:44,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:44,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:44,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:44,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:44,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 15:56:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:44,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 11 [2020-09-24 15:56:44,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:44,173 FATAL L256 erpolLogProxyWrapper]: Difference in width: 28 [2020-09-24 15:56:44,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:44,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-09-24 15:56:44,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:44,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-24 15:56:44,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:44,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:56:44,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-24 15:56:44,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:56:44,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:44,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:44,281 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:44,282 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:44,282 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:44,282 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:44,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-24 15:56:44,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:44,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-24 15:56:44,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:44,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:56:44,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:56:44,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:56:44,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:44,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:44,385 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:44,385 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:44,385 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:44,385 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:44,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-24 15:56:44,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:44,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-24 15:56:44,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:44,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:56:44,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:44,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-24 15:56:44,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:44,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:44,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:44,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:44,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:44,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:44,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-24 15:56:44,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:44,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 15:56:44,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:44,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:56:44,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:44,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:56:44,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:44,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:44,494 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:44,494 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:44,495 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:44,495 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:44,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:44,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:44,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:56:44,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:44,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:44,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:44,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:56:44,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:44,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:44,529 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:44,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:44,530 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:44,530 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:44,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:44,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:44,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:44,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:44,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:44,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:44,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:44,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:44,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 15:56:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:44,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:44,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:44,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:44,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:44,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:44,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:44,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:56:44,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:44,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:56:44,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:44,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:44,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:44,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-24 15:56:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:44,630 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:44,630 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:44,630 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:44,631 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:44,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:44,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:44,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:56:44,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:44,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:56:44,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:56:44,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:56:44,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:44,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:44,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:44,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:44,664 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:44,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:44,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:44,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:44,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:44,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:44,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:44,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:44,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:44,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:44,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-24 15:56:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:44,683 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:44,684 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:44,684 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:44,684 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:44,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:44,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:44,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:44,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:44,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:44,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:56:44,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:44,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:44,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:44,692 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:44,692 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:44,692 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:44,693 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:44,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:44,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:44,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:44,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:44,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:44,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:44,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:44,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:44,721 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 90 proven. 82 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2020-09-24 15:56:44,721 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [421807758] [2020-09-24 15:56:44,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:44,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 15:56:44,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084812569] [2020-09-24 15:56:44,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:56:44,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:44,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:56:44,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:56:44,726 INFO L87 Difference]: Start difference. First operand 145 states and 213 transitions. Second operand 14 states. [2020-09-24 15:56:45,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:45,460 INFO L93 Difference]: Finished difference Result 317 states and 535 transitions. [2020-09-24 15:56:45,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-24 15:56:45,461 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 121 [2020-09-24 15:56:45,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:45,465 INFO L225 Difference]: With dead ends: 317 [2020-09-24 15:56:45,465 INFO L226 Difference]: Without dead ends: 189 [2020-09-24 15:56:45,468 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=262, Invalid=928, Unknown=0, NotChecked=0, Total=1190 [2020-09-24 15:56:45,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-09-24 15:56:45,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 145. [2020-09-24 15:56:45,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-09-24 15:56:45,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 200 transitions. [2020-09-24 15:56:45,518 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 200 transitions. Word has length 121 [2020-09-24 15:56:45,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:45,520 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 200 transitions. [2020-09-24 15:56:45,520 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 15:56:45,520 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 200 transitions. [2020-09-24 15:56:45,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-09-24 15:56:45,527 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:45,527 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 9, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:45,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:56:45,528 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:45,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:45,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1276982865, now seen corresponding path program 5 times [2020-09-24 15:56:45,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:45,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1889379928] [2020-09-24 15:56:45,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:45,612 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:45,613 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:45,613 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:45,613 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:45,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-09-24 15:56:45,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:45,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-24 15:56:45,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:45,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:56:45,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-09-24 15:56:45,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-24 15:56:45,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:45,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:45,669 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:45,669 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:45,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:45,670 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:45,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:45,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:45,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:45,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:45,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:45,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:45,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:45,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:45,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 15:56:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:45,750 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:45,751 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:45,751 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:45,751 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:45,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-09-24 15:56:45,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:45,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 15:56:45,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:45,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:56:45,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-24 15:56:45,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-24 15:56:45,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:45,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:45,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:45,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:45,844 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:45,844 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:45,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-09-24 15:56:45,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:45,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-24 15:56:45,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:45,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:56:45,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:56:45,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-24 15:56:45,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:45,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:45,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:45,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:45,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:45,909 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:45,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-24 15:56:45,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:45,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 15:56:45,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:45,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:56:45,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:45,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-24 15:56:45,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:45,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:45,963 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:45,964 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:45,964 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:45,964 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:45,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-24 15:56:45,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:45,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 15:56:45,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:45,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:56:45,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:45,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:56:45,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:45,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,002 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,002 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:46,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:56:46,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:46,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:46,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:56:46,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:46,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,042 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,043 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,043 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,044 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:46,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:46,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:46,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:46,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:46,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:46,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 15:56:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,083 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,084 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:46,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:56:46,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:56:46,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:46,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:46,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:46,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-24 15:56:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,123 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,123 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,123 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,124 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-24 15:56:46,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:56:46,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:56:46,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:56:46,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:56:46,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:46,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:46,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:46,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:56:46,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:46,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:46,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:56:46,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:46,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,184 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,184 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,184 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,185 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:46,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:46,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:46,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:46,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:46,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:46,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 15:56:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,192 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,193 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,193 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:46,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:46,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:46,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:46,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:46,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:46,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:56:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,213 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-24 15:56:46,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:46,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:46,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-09-24 15:56:46,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:46,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:46,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,223 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,224 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:46,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:46,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:46,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:46,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:46,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:46,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,231 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:46,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:46,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:46,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:46,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:46,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:46,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 15:56:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,237 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,237 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,237 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,237 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:46,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:46,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:46,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:46,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:46,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:46,294 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 123 proven. 204 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2020-09-24 15:56:46,295 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1889379928] [2020-09-24 15:56:46,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:46,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 15:56:46,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703201265] [2020-09-24 15:56:46,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:56:46,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:46,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:56:46,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:56:46,297 INFO L87 Difference]: Start difference. First operand 145 states and 200 transitions. Second operand 14 states. [2020-09-24 15:56:47,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:47,213 INFO L93 Difference]: Finished difference Result 282 states and 417 transitions. [2020-09-24 15:56:47,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-24 15:56:47,217 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 159 [2020-09-24 15:56:47,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:47,220 INFO L225 Difference]: With dead ends: 282 [2020-09-24 15:56:47,220 INFO L226 Difference]: Without dead ends: 155 [2020-09-24 15:56:47,223 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=434, Invalid=1458, Unknown=0, NotChecked=0, Total=1892 [2020-09-24 15:56:47,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-09-24 15:56:47,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 145. [2020-09-24 15:56:47,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-09-24 15:56:47,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 188 transitions. [2020-09-24 15:56:47,236 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 188 transitions. Word has length 159 [2020-09-24 15:56:47,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:47,237 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 188 transitions. [2020-09-24 15:56:47,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 15:56:47,237 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 188 transitions. [2020-09-24 15:56:47,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-09-24 15:56:47,240 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:47,240 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 11, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:47,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:56:47,241 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:47,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:47,241 INFO L82 PathProgramCache]: Analyzing trace with hash 2003866823, now seen corresponding path program 6 times [2020-09-24 15:56:47,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:47,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [463285255] [2020-09-24 15:56:47,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,333 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,334 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,334 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,334 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-09-24 15:56:47,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-24 15:56:47,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:56:47,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-09-24 15:56:47,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-24 15:56:47,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:47,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,379 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,380 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,380 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,380 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:47,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:47,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:47,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:47,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:47,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:47,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 15:56:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,470 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,470 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,470 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-24 15:56:47,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-24 15:56:47,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:56:47,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-24 15:56:47,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-24 15:56:47,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:47,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,586 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-09-24 15:56:47,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-24 15:56:47,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:56:47,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:56:47,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-24 15:56:47,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:47,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,650 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,651 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-24 15:56:47,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 15:56:47,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:56:47,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:47,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-24 15:56:47,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:47,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,706 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,706 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,707 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,707 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-24 15:56:47,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 15:56:47,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:56:47,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:47,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:56:47,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:47,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,755 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,755 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,756 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:47,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:56:47,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:47,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:47,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:56:47,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:56:47,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,838 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,838 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,838 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,839 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:47,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:47,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:47,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:47,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:47,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:47,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 15:56:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,895 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,896 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,897 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:47,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:56:47,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:56:47,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:47,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:47,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:47,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-24 15:56:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,950 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,951 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,951 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-24 15:56:47,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:56:47,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:56:47,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:56:47,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-24 15:56:47,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:48,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,015 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-24 15:56:48,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:56:48,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:48,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-24 15:56:48,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:48,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,074 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,074 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,074 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,075 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:48,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:48,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:48,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:56:48,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,115 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,115 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,115 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,115 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:48,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:48,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:48,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:48,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 15:56:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,123 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,124 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,124 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:48,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:48,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:48,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:48,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:48,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-24 15:56:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,135 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,135 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:48,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:48,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:48,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:48,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-24 15:56:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,168 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-24 15:56:48,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:48,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:48,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-09-24 15:56:48,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:48,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,182 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-24 15:56:48,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:48,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:48,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:48,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:48,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,194 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:48,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:48,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:48,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:48,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,200 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,201 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,201 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,201 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:48,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:48,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:48,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:48,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 15:56:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,208 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,208 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:48,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:48,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:48,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:48,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-24 15:56:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,214 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,215 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,215 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,215 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:48,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:48,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:48,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:48,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1109 backedges. 182 proven. 351 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2020-09-24 15:56:48,296 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [463285255] [2020-09-24 15:56:48,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:48,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-24 15:56:48,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323705796] [2020-09-24 15:56:48,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-24 15:56:48,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:48,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-24 15:56:48,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-09-24 15:56:48,299 INFO L87 Difference]: Start difference. First operand 145 states and 188 transitions. Second operand 18 states. [2020-09-24 15:56:49,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:49,788 INFO L93 Difference]: Finished difference Result 360 states and 559 transitions. [2020-09-24 15:56:49,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-09-24 15:56:49,789 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 197 [2020-09-24 15:56:49,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:49,793 INFO L225 Difference]: With dead ends: 360 [2020-09-24 15:56:49,793 INFO L226 Difference]: Without dead ends: 209 [2020-09-24 15:56:49,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 879 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=807, Invalid=2733, Unknown=0, NotChecked=0, Total=3540 [2020-09-24 15:56:49,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2020-09-24 15:56:49,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 179. [2020-09-24 15:56:49,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-09-24 15:56:49,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 242 transitions. [2020-09-24 15:56:49,816 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 242 transitions. Word has length 197 [2020-09-24 15:56:49,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:49,817 INFO L479 AbstractCegarLoop]: Abstraction has 179 states and 242 transitions. [2020-09-24 15:56:49,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-24 15:56:49,817 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 242 transitions. [2020-09-24 15:56:49,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-24 15:56:49,821 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:49,822 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 13, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:49,822 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:56:49,822 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:49,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:49,824 INFO L82 PathProgramCache]: Analyzing trace with hash 159100369, now seen corresponding path program 7 times [2020-09-24 15:56:49,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:49,824 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1360110958] [2020-09-24 15:56:49,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,136 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:50,137 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,137 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,137 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-09-24 15:56:50,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-09-24 15:56:50,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 15:56:50,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-09-24 15:56:50,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-24 15:56:50,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:50,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:50,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,208 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,208 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:50,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:50,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:50,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:50,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:50,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:50,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 15:56:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:50,462 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,462 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-24 15:56:50,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-09-24 15:56:50,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 15:56:50,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-09-24 15:56:50,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-24 15:56:50,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:50,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,658 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:50,659 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,659 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,660 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-09-24 15:56:50,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-24 15:56:50,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:56:50,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:50,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-09-24 15:56:50,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:50,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,721 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:50,722 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-24 15:56:50,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:50,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:50,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:50,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:50,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:50,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,736 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:50,737 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,737 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,737 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-24 15:56:50,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:50,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:50,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:50,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:50,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:50,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,806 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:50,806 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,807 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,807 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:50,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:50,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:50,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:50,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:50,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:50,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,816 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:50,816 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,817 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,817 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:50,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:50,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:50,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:50,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:50,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:50,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 15:56:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:50,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:50,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:50,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:50,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:50,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:50,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:50,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-24 15:56:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:50,945 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,945 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:56:50,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-24 15:56:50,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:56:50,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:50,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-24 15:56:50,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:50,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,028 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,029 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,029 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-24 15:56:51,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-24 15:56:51,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:56:51,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-24 15:56:51,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:51,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,098 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,098 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,098 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-24 15:56:51,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 15:56:51,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:56:51,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:56:51,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:51,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,148 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,148 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:51,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:56:51,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:51,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:56:51,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:51,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,186 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,187 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,187 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,187 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:51,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:56:51,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:51,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:51,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:51,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 15:56:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,227 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:51,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:56:51,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:56:51,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:51,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:51,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-24 15:56:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,256 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,257 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:51,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:51,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:56:51,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:51,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:51,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-24 15:56:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,277 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,277 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,278 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:51,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:51,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:56:51,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:51,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:51,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:56:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,345 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,345 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,346 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,346 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:56:51,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:56:51,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:56:51,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:56:51,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-24 15:56:51,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:51,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,406 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,407 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,407 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,407 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-24 15:56:51,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:56:51,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:56:51,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-24 15:56:51,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:51,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,474 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-24 15:56:51,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:56:51,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:51,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-24 15:56:51,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:51,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,518 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,519 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,519 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,519 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:51,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:51,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:51,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:56:51,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:51,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,557 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,557 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,557 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,558 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:51,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:51,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:51,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:51,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:51,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 15:56:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,565 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,566 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,566 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,566 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:51,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:51,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:51,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:51,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:51,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-24 15:56:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,575 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,576 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,576 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,577 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:51,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:51,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:51,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:51,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:51,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-24 15:56:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,594 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,595 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,595 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,595 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:51,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:51,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:51,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:51,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:51,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1664 backedges. 507 proven. 361 refuted. 0 times theorem prover too weak. 796 trivial. 0 not checked. [2020-09-24 15:56:51,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1360110958] [2020-09-24 15:56:51,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:51,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-09-24 15:56:51,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670979354] [2020-09-24 15:56:51,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-24 15:56:51,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:51,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-24 15:56:51,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:56:51,780 INFO L87 Difference]: Start difference. First operand 179 states and 242 transitions. Second operand 21 states. [2020-09-24 15:56:54,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:54,387 INFO L93 Difference]: Finished difference Result 426 states and 641 transitions. [2020-09-24 15:56:54,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2020-09-24 15:56:54,390 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 235 [2020-09-24 15:56:54,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:54,397 INFO L225 Difference]: With dead ends: 426 [2020-09-24 15:56:54,397 INFO L226 Difference]: Without dead ends: 265 [2020-09-24 15:56:54,403 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2338 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1617, Invalid=6573, Unknown=0, NotChecked=0, Total=8190 [2020-09-24 15:56:54,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-09-24 15:56:54,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 219. [2020-09-24 15:56:54,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2020-09-24 15:56:54,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 313 transitions. [2020-09-24 15:56:54,432 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 313 transitions. Word has length 235 [2020-09-24 15:56:54,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:54,433 INFO L479 AbstractCegarLoop]: Abstraction has 219 states and 313 transitions. [2020-09-24 15:56:54,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-24 15:56:54,433 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 313 transitions. [2020-09-24 15:56:54,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-09-24 15:56:54,438 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:54,439 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 14, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:54,439 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:56:54,439 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:54,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:54,440 INFO L82 PathProgramCache]: Analyzing trace with hash 29784778, now seen corresponding path program 8 times [2020-09-24 15:56:54,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:54,440 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [587829452] [2020-09-24 15:56:54,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:54,758 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:54,758 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:54,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:54,759 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:54,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 311 [2020-09-24 15:56:54,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:54,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-09-24 15:56:54,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:54,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-24 15:56:54,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-09-24 15:56:54,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-24 15:56:54,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:54,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:54,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:54,819 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:54,819 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:54,819 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:54,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:54,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:54,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:54,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:54,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:54,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:54,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:54,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:54,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 15:56:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,091 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 290 [2020-09-24 15:56:55,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-09-24 15:56:55,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-24 15:56:55,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-09-24 15:56:55,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-24 15:56:55,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:55,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,286 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,287 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,287 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,287 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-09-24 15:56:55,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-24 15:56:55,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:56:55,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:55,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-09-24 15:56:55,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:55,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,341 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-24 15:56:55,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:55,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:55,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:55,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:55,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:55,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,358 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,358 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,359 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-24 15:56:55,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:55,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:55,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:55,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:55,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:55,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,377 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,378 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,378 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:55,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:56:55,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:55,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:55,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:55,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:56:55,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,398 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,398 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:55,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:55,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:55,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:55,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:55,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:55,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 15:56:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,406 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,406 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,407 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,407 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:55,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:55,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:55,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:55,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:55,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:56:55,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-24 15:56:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,522 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,522 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,523 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,523 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:56:55,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-24 15:56:55,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:56:55,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:55,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-24 15:56:55,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:55,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,619 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,619 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,619 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,619 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-24 15:56:55,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-24 15:56:55,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:56:55,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:55,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-24 15:56:55,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:55,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,692 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,692 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,692 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,693 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-24 15:56:55,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 15:56:55,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:56:55,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:55,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:56:55,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:55,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,744 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,745 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,745 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:55,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:56:55,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:55,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:55,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:56:55,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:55,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,783 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,784 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,784 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,784 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:55,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:55,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:55,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:55,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:55,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:55,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 15:56:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,822 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,823 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,823 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,823 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:55,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:55,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:56:55,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:55,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:55,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:55,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-24 15:56:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,837 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,837 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,838 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,838 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:55,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:55,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:56:55,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:55,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:55,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:55,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-24 15:56:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,868 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,869 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,869 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:55,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:55,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:56:55,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:55,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:55,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:55,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:56:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,928 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,928 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-09-24 15:56:55,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 15:56:55,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:56:55,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:56:55,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-24 15:56:55,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:55,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,000 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,000 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,000 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,001 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:56:56,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:56:56,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:56:56,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:56,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-09-24 15:56:56,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:56,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,064 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-24 15:56:56,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:56:56,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:56:56,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:56,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-24 15:56:56,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:56,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,111 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-24 15:56:56,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:56:56,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:56,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:56,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-24 15:56:56,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:56,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,180 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,180 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,180 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:56,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:56,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:56,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:56,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:56:56,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:56,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,231 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:56,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:56,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:56,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:56,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:56,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:56,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 15:56:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,241 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:56,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:56,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:56,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:56,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:56,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:56,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-24 15:56:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,250 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,250 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:56,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:56,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:56,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:56,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:56,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:56,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-24 15:56:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,260 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,261 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,261 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,261 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:56,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:56,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:56,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:56,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:56,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:56,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-24 15:56:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,274 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,275 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:56,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:56,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:56:56,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:56,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:56:56,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:56,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1985 backedges. 580 proven. 478 refuted. 0 times theorem prover too weak. 927 trivial. 0 not checked. [2020-09-24 15:56:56,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [587829452] [2020-09-24 15:56:56,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:56,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-24 15:56:56,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868373016] [2020-09-24 15:56:56,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-24 15:56:56,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:56,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-24 15:56:56,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:56:56,463 INFO L87 Difference]: Start difference. First operand 219 states and 313 transitions. Second operand 23 states. [2020-09-24 15:56:58,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:58,501 INFO L93 Difference]: Finished difference Result 490 states and 772 transitions. [2020-09-24 15:56:58,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-09-24 15:56:58,502 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 254 [2020-09-24 15:56:58,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:58,511 INFO L225 Difference]: With dead ends: 490 [2020-09-24 15:56:58,511 INFO L226 Difference]: Without dead ends: 289 [2020-09-24 15:56:58,518 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1596 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1236, Invalid=4926, Unknown=0, NotChecked=0, Total=6162 [2020-09-24 15:56:58,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-09-24 15:56:58,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 243. [2020-09-24 15:56:58,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-09-24 15:56:58,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 359 transitions. [2020-09-24 15:56:58,544 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 359 transitions. Word has length 254 [2020-09-24 15:56:58,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:58,545 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 359 transitions. [2020-09-24 15:56:58,545 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-24 15:56:58,545 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 359 transitions. [2020-09-24 15:56:58,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-09-24 15:56:58,550 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:58,551 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 27, 15, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:58,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 15:56:58,551 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:58,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:58,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1139770503, now seen corresponding path program 9 times [2020-09-24 15:56:58,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:58,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [917050013] [2020-09-24 15:56:58,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:58,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:58,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:58,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:58,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:58,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 334 [2020-09-24 15:56:58,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:58,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-09-24 15:56:58,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:58,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-09-24 15:56:58,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 230 [2020-09-24 15:56:58,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-24 15:56:58,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:58,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:58,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:58,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:58,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:58,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:58,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:58,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:58,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:58,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:58,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:58,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:58,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:58,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:58,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 15:56:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,136 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-09-24 15:56:59,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-09-24 15:56:59,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-24 15:56:59,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 308 [2020-09-24 15:56:59,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:59,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-09-24 15:56:59,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:59,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-24 15:56:59,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:59,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-24 15:56:59,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:59,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,248 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,248 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,249 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,249 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:59,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:59,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:59,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:59,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 15:56:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,260 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,260 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,260 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,261 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:59,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:59,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-24 15:56:59,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,270 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,270 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,271 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:56:59,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:59,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-24 15:56:59,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:59,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,302 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-24 15:56:59,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:59,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,311 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,311 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,311 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,311 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:59,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:59,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,317 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,317 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,318 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,318 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:59,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:59,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 15:56:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,323 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,323 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,324 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,324 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:59,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:59,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-24 15:56:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,330 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,330 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,330 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,330 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:59,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:59,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-24 15:56:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:59,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:59,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:59,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:59,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:59,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:56:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,532 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,532 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-09-24 15:56:59,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-09-24 15:56:59,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-24 15:56:59,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-09-24 15:56:59,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:59,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,739 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,739 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,740 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-09-24 15:56:59,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-09-24 15:56:59,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 15:56:59,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-24 15:56:59,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:59,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,911 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,912 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:56:59,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-24 15:56:59,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:56:59,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-24 15:56:59,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:59,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:00,039 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:00,039 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:00,040 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:00,040 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:00,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-24 15:57:00,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:00,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 15:57:00,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:00,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:57:00,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:00,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-24 15:57:00,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:00,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:00,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:00,140 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:00,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:00,141 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:00,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-24 15:57:00,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:00,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 15:57:00,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:00,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:57:00,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:00,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:57:00,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:00,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:00,241 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:00,242 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:00,242 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:00,243 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:00,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:57:00,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:00,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:57:00,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:00,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:57:00,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:00,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:57:00,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:00,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:00,303 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:00,304 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:00,304 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:00,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:00,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:57:00,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:00,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:57:00,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:00,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:57:00,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:00,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:57:00,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:00,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 15:57:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:00,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:00,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:00,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:00,370 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:00,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:57:00,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:00,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:57:00,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:00,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:57:00,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:00,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:57:00,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:00,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-24 15:57:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:00,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:00,416 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:00,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:00,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:00,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:57:00,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:00,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:57:00,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:00,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:57:00,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:00,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:57:00,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:00,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-24 15:57:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:00,436 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:00,436 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:00,437 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:00,437 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:00,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:57:00,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:00,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:57:00,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:00,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:57:00,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:00,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:57:00,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:00,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-24 15:57:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:00,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:00,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:00,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:00,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:00,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:57:00,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:00,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:57:00,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:00,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:57:00,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:00,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:57:00,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:00,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-09-24 15:57:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:00,496 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:00,496 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:00,497 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:00,497 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:00,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:57:00,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:00,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:57:00,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:00,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:57:00,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:00,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:57:00,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:00,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2335 backedges. 841 proven. 84 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2020-09-24 15:57:00,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [917050013] [2020-09-24 15:57:00,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:57:00,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-09-24 15:57:00,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823211931] [2020-09-24 15:57:00,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-09-24 15:57:00,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:57:00,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-09-24 15:57:00,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=471, Unknown=0, NotChecked=0, Total=552 [2020-09-24 15:57:00,711 INFO L87 Difference]: Start difference. First operand 243 states and 359 transitions. Second operand 24 states. [2020-09-24 15:57:02,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:57:02,000 INFO L93 Difference]: Finished difference Result 350 states and 486 transitions. [2020-09-24 15:57:02,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-09-24 15:57:02,002 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 273 [2020-09-24 15:57:02,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:57:02,004 INFO L225 Difference]: With dead ends: 350 [2020-09-24 15:57:02,005 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 15:57:02,011 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 645 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=730, Invalid=3052, Unknown=0, NotChecked=0, Total=3782 [2020-09-24 15:57:02,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 15:57:02,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 15:57:02,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 15:57:02,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 15:57:02,012 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 273 [2020-09-24 15:57:02,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:57:02,012 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 15:57:02,012 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-09-24 15:57:02,012 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 15:57:02,013 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 15:57:02,013 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 15:57:02,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 15:57:02,702 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55 [2020-09-24 15:57:02,839 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 52 [2020-09-24 15:57:02,990 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2020-09-24 15:57:03,100 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2020-09-24 15:57:03,267 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2020-09-24 15:57:04,772 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-09-24 15:57:04,906 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-09-24 15:57:05,040 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-09-24 15:57:05,420 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-09-24 15:57:05,545 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-09-24 15:57:05,756 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2020-09-24 15:57:06,535 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 54 [2020-09-24 15:57:06,647 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 54 [2020-09-24 15:57:06,836 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 53 [2020-09-24 15:57:07,820 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 13 [2020-09-24 15:57:09,181 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 150 DAG size of output: 44 [2020-09-24 15:57:09,416 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 16 [2020-09-24 15:57:09,471 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-09-24 15:57:09,471 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 15:57:09,471 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 15:57:09,471 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-24 15:57:09,471 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 15:57:09,471 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 15:57:09,472 INFO L268 CegarLoopResult]: For program point ackermannEXIT(lines 14 22) no Hoare annotation was computed. [2020-09-24 15:57:09,472 INFO L271 CegarLoopResult]: At program point ackermannENTRY(lines 14 22) the Hoare annotation is: true [2020-09-24 15:57:09,472 INFO L264 CegarLoopResult]: At program point L21(line 21) the Hoare annotation is: (and (or (not (<= |ackermann_#in~m| 0)) (not (<= 0 |ackermann_#in~m|))) (= ackermann_~n |ackermann_#in~n|) (= ackermann_~m |ackermann_#in~m|)) [2020-09-24 15:57:09,472 INFO L268 CegarLoopResult]: For program point L21-1(line 21) no Hoare annotation was computed. [2020-09-24 15:57:09,472 INFO L264 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: (and (<= |ackermann_#in~n| 0) (or (not (<= |ackermann_#in~m| 0)) (not (<= 0 |ackermann_#in~m|))) (= ackermann_~n |ackermann_#in~n|) (= ackermann_~m |ackermann_#in~m|) (<= 0 |ackermann_#in~n|)) [2020-09-24 15:57:09,473 INFO L264 CegarLoopResult]: At program point L21-2(line 21) the Hoare annotation is: (let ((.cse5 (<= 3 |ackermann_#t~ret1|)) (.cse0 (<= |ackermann_#in~n| 1)) (.cse1 (<= |ackermann_#in~m| 1))) (and (let ((.cse2 (<= 1 |ackermann_#in~m|)) (.cse3 (<= |ackermann_#in~m| ackermann_~m)) (.cse4 (<= ackermann_~m |ackermann_#in~m|))) (or (and (<= ackermann_~n |ackermann_#in~n|) .cse0 (<= |ackermann_#in~n| ackermann_~n) .cse1 (<= 2 |ackermann_#t~ret1|) .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse3 (= ackermann_~n |ackermann_#in~n|) .cse4))) (or (<= 2 |ackermann_#res|) .cse5 (not (<= |ackermann_#in~n| 0))) (let ((.cse7 (<= |ackermann_#in~n| 2)) (.cse6 (<= 5 |ackermann_#t~ret1|))) (or .cse0 (and .cse1 .cse6 (<= |ackermann_#in~n| 4)) (and .cse1 .cse7) (<= 6 |ackermann_#t~ret1|) (and .cse7 .cse6 (<= |ackermann_#in~m| 2)) (and .cse1 (<= |ackermann_#in~n| 3) (<= 4 |ackermann_#t~ret1|)))))) [2020-09-24 15:57:09,473 INFO L268 CegarLoopResult]: For program point L18(lines 18 20) no Hoare annotation was computed. [2020-09-24 15:57:09,473 INFO L268 CegarLoopResult]: For program point L19-1(line 19) no Hoare annotation was computed. [2020-09-24 15:57:09,473 INFO L268 CegarLoopResult]: For program point L21-3(line 21) no Hoare annotation was computed. [2020-09-24 15:57:09,473 INFO L268 CegarLoopResult]: For program point L19-2(line 19) no Hoare annotation was computed. [2020-09-24 15:57:09,474 INFO L268 CegarLoopResult]: For program point L21-4(line 21) no Hoare annotation was computed. [2020-09-24 15:57:09,474 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-09-24 15:57:09,474 INFO L268 CegarLoopResult]: For program point L19-3(line 19) no Hoare annotation was computed. [2020-09-24 15:57:09,474 INFO L268 CegarLoopResult]: For program point L21-5(line 21) no Hoare annotation was computed. [2020-09-24 15:57:09,474 INFO L268 CegarLoopResult]: For program point L15(lines 15 17) no Hoare annotation was computed. [2020-09-24 15:57:09,475 INFO L268 CegarLoopResult]: For program point L21-6(line 21) no Hoare annotation was computed. [2020-09-24 15:57:09,475 INFO L268 CegarLoopResult]: For program point L14(lines 14 22) no Hoare annotation was computed. [2020-09-24 15:57:09,475 INFO L268 CegarLoopResult]: For program point ackermannFINAL(lines 14 22) no Hoare annotation was computed. [2020-09-24 15:57:09,475 INFO L268 CegarLoopResult]: For program point L33(lines 33 38) no Hoare annotation was computed. [2020-09-24 15:57:09,475 INFO L268 CegarLoopResult]: For program point L27(lines 27 31) no Hoare annotation was computed. [2020-09-24 15:57:09,475 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 25 45) no Hoare annotation was computed. [2020-09-24 15:57:09,475 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 25 45) no Hoare annotation was computed. [2020-09-24 15:57:09,475 INFO L268 CegarLoopResult]: For program point L40(lines 40 44) no Hoare annotation was computed. [2020-09-24 15:57:09,476 INFO L268 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-09-24 15:57:09,476 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 43) no Hoare annotation was computed. [2020-09-24 15:57:09,476 INFO L268 CegarLoopResult]: For program point L32-1(line 32) no Hoare annotation was computed. [2020-09-24 15:57:09,476 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-09-24 15:57:09,476 INFO L268 CegarLoopResult]: For program point L32-2(line 32) no Hoare annotation was computed. [2020-09-24 15:57:09,476 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 25 45) the Hoare annotation is: true [2020-09-24 15:57:09,476 INFO L268 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-09-24 15:57:09,476 INFO L268 CegarLoopResult]: For program point L26-1(line 26) no Hoare annotation was computed. [2020-09-24 15:57:09,476 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-24 15:57:09,477 INFO L268 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-09-24 15:57:09,477 INFO L271 CegarLoopResult]: At program point L39(line 39) the Hoare annotation is: true [2020-09-24 15:57:09,477 INFO L268 CegarLoopResult]: For program point L39-1(line 39) no Hoare annotation was computed. [2020-09-24 15:57:09,477 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-24 15:57:09,477 INFO L268 CegarLoopResult]: For program point L39-2(line 39) no Hoare annotation was computed. [2020-09-24 15:57:09,477 INFO L268 CegarLoopResult]: For program point L39-3(line 39) no Hoare annotation was computed. [2020-09-24 15:57:09,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 03:57:09 BoogieIcfgContainer [2020-09-24 15:57:09,484 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 15:57:09,486 INFO L168 Benchmark]: Toolchain (without parser) took 29992.00 ms. Allocated memory was 137.4 MB in the beginning and 653.8 MB in the end (delta: 516.4 MB). Free memory was 100.4 MB in the beginning and 500.7 MB in the end (delta: -400.4 MB). Peak memory consumption was 494.2 MB. Max. memory is 7.1 GB. [2020-09-24 15:57:09,486 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 15:57:09,487 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.14 ms. Allocated memory is still 137.4 MB. Free memory was 99.7 MB in the beginning and 90.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2020-09-24 15:57:09,488 INFO L168 Benchmark]: Boogie Preprocessor took 113.17 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 90.2 MB in the beginning and 178.9 MB in the end (delta: -88.7 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2020-09-24 15:57:09,489 INFO L168 Benchmark]: RCFGBuilder took 374.29 ms. Allocated memory is still 200.3 MB. Free memory was 178.9 MB in the beginning and 164.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2020-09-24 15:57:09,490 INFO L168 Benchmark]: TraceAbstraction took 29184.17 ms. Allocated memory was 200.3 MB in the beginning and 653.8 MB in the end (delta: 453.5 MB). Free memory was 163.8 MB in the beginning and 500.7 MB in the end (delta: -337.0 MB). Peak memory consumption was 494.6 MB. Max. memory is 7.1 GB. [2020-09-24 15:57:09,493 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 298.14 ms. Allocated memory is still 137.4 MB. Free memory was 99.7 MB in the beginning and 90.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.17 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 90.2 MB in the beginning and 178.9 MB in the end (delta: -88.7 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 374.29 ms. Allocated memory is still 200.3 MB. Free memory was 178.9 MB in the beginning and 164.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29184.17 ms. Allocated memory was 200.3 MB in the beginning and 653.8 MB in the end (delta: 453.5 MB). Free memory was 163.8 MB in the beginning and 500.7 MB in the end (delta: -337.0 MB). Peak memory consumption was 494.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.6s, OverallIterations: 11, TraceHistogramMax: 27, AutomataDifference: 10.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 511 SDtfs, 978 SDslu, 2440 SDs, 0 SdLazy, 3162 SolverSat, 686 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 798 GetRequests, 396 SyntacticMatches, 2 SemanticMatches, 400 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6108 ImplicationChecksByTransitivity, 7.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=243occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 187 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 709 PreInvPairs, 1429 NumberOfFragments, 142 HoareAnnotationTreeSize, 709 FomulaSimplifications, 108255 FormulaSimplificationTreeSizeReduction, 5.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 17619 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 9.9s InterpolantComputationTime, 1601 NumberOfCodeBlocks, 1601 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1590 ConstructedInterpolants, 0 QuantifiedInterpolants, 571455 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 7174/9115 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...