/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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 20:20:24,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:20:24,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:20:24,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:20:24,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:20:24,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:20:24,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:20:24,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:20:24,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:20:24,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:20:24,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:20:24,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:20:24,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:20:24,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:20:24,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:20:24,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:20:24,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:20:24,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:20:24,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:20:24,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:20:24,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:20:24,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:20:24,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:20:24,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:20:24,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:20:24,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:20:24,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:20:24,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:20:24,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:20:24,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:20:24,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:20:24,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:20:24,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:20:24,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:20:24,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:20:24,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:20:24,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:20:24,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:20:24,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:20:24,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:20:24,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:20:24,547 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 20:20:24,574 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:20:24,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:20:24,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:20:24,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:20:24,576 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:20:24,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:20:24,577 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 20:20:24,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:20:24,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 20:20:24,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:20:24,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:20:24,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:20:24,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:20:24,578 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 20:20:24,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:20:24,579 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:20:24,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:20:24,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:20:24,579 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:20:24,579 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:20:24,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:20:24,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:20:24,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:20:24,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:20:24,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:20:24,581 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:20:24,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:20:24,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:20:24,581 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:20:24,582 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;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;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;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;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;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;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;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;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;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; [2020-09-24 20:20:25,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:20:25,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:20:25,124 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:20:25,126 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:20:25,127 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:20:25,129 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-09-24 20:20:25,224 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f21ca4eb8/8636fdc85b2e47f48df3c7d3cc13e6e8/FLAGf46473240 [2020-09-24 20:20:25,870 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:20:25,871 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-09-24 20:20:25,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f21ca4eb8/8636fdc85b2e47f48df3c7d3cc13e6e8/FLAGf46473240 [2020-09-24 20:20:26,112 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f21ca4eb8/8636fdc85b2e47f48df3c7d3cc13e6e8 [2020-09-24 20:20:26,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:20:26,131 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:20:26,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:20:26,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:20:26,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:20:26,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:20:26" (1/1) ... [2020-09-24 20:20:26,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:20:26, skipping insertion in model container [2020-09-24 20:20:26,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:20:26" (1/1) ... [2020-09-24 20:20:26,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:20:26,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:20:26,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:20:26,609 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:20:26,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:20:26,879 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:20:26,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:20:26 WrapperNode [2020-09-24 20:20:26,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:20:26,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:20:26,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:20:26,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:20:26,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:20:26" (1/1) ... [2020-09-24 20:20:26,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:20:26" (1/1) ... [2020-09-24 20:20:26,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:20:26" (1/1) ... [2020-09-24 20:20:26,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:20:26" (1/1) ... [2020-09-24 20:20:26,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:20:26" (1/1) ... [2020-09-24 20:20:26,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:20:26" (1/1) ... [2020-09-24 20:20:26,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:20:26" (1/1) ... [2020-09-24 20:20:26,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:20:26,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:20:26,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:20:26,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:20:26,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:20:26" (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 20:20:27,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:20:27,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:20:27,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 20:20:27,058 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 20:20:27,058 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 20:20:27,058 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 20:20:27,059 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 20:20:27,059 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 20:20:27,059 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 20:20:27,059 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 20:20:27,059 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 20:20:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 20:20:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 20:20:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 20:20:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 20:20:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 20:20:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 20:20:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 20:20:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 20:20:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 20:20:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 20:20:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 20:20:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 20:20:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 20:20:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 20:20:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 20:20:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 20:20:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 20:20:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 20:20:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 20:20:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 20:20:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 20:20:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 20:20:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 20:20:27,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 20:20:27,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 20:20:27,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 20:20:27,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 20:20:27,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 20:20:27,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 20:20:27,065 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 20:20:27,065 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 20:20:27,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 20:20:27,065 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 20:20:27,065 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:20:27,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:20:27,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:20:27,066 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 20:20:27,066 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 20:20:27,066 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 20:20:27,066 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 20:20:27,066 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 20:20:27,066 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 20:20:27,066 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 20:20:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 20:20:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 20:20:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 20:20:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 20:20:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 20:20:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 20:20:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 20:20:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 20:20:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 20:20:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 20:20:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 20:20:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 20:20:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 20:20:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 20:20:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 20:20:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 20:20:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 20:20:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 20:20:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 20:20:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 20:20:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 20:20:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 20:20:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 20:20:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 20:20:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 20:20:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 20:20:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 20:20:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 20:20:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 20:20:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 20:20:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 20:20:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 20:20:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 20:20:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 20:20:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 20:20:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 20:20:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:20:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 20:20:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 20:20:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 20:20:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 20:20:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 20:20:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 20:20:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 20:20:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 20:20:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 20:20:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:20:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:20:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 20:20:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:20:28,239 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:20:28,239 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 20:20:28,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:20:28 BoogieIcfgContainer [2020-09-24 20:20:28,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:20:28,248 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:20:28,248 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:20:28,252 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:20:28,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:20:26" (1/3) ... [2020-09-24 20:20:28,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd31818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:20:28, skipping insertion in model container [2020-09-24 20:20:28,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:20:26" (2/3) ... [2020-09-24 20:20:28,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd31818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:20:28, skipping insertion in model container [2020-09-24 20:20:28,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:20:28" (3/3) ... [2020-09-24 20:20:28,257 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product56.cil.c [2020-09-24 20:20:28,269 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:20:28,280 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:20:28,304 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:20:28,339 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:20:28,340 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:20:28,340 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:20:28,340 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:20:28,340 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:20:28,340 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:20:28,341 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:20:28,341 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:20:28,372 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states. [2020-09-24 20:20:28,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 20:20:28,393 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:20:28,395 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 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, 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 20:20:28,395 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:20:28,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:20:28,404 INFO L82 PathProgramCache]: Analyzing trace with hash -36898584, now seen corresponding path program 1 times [2020-09-24 20:20:28,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:20:28,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1907164572] [2020-09-24 20:20:28,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:20:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:28,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:29,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:30,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:30,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:33,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:33,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:33,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 20:20:33,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 20:20:33,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-09-24 20:20:33,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:33,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 20:20:33,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 20:20:33,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-24 20:20:33,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-24 20:20:34,459 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:20:34,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:20:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:34,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:34,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:34,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:20:34,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:34,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-09-24 20:20:34,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:34,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:34,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:34,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 20:20:34,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:34,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 20:20:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:34,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:34,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:34,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:20:34,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:34,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:20:34,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:34,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:34,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:34,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:20:34,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:34,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 20:20:34,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:34,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:34,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:34,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:20:34,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:34,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:20:34,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:34,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:34,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:34,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:20:34,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:34,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 20:20:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:34,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:34,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:34,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:20:34,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:34,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 20:20:34,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:34,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:34,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:34,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:20:34,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:34,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 20:20:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:34,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:34,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:34,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:20:34,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:34,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:20:34,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:34,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:34,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:34,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:20:34,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:34,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 20:20:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:34,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:34,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:34,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:20:34,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:34,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:20:34,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:34,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:34,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:34,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:20:34,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:34,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 20:20:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:34,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:34,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:34,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 20:20:34,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:34,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 20:20:34,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:34,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:34,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:34,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 20:20:34,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:34,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:20:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:34,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:34,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:34,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:20:34,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:34,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:20:34,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:34,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:34,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:34,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:34,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:34,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 20:20:34,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:34,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:34,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:34,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:20:34,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:34,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:20:34,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:34,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:34,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:34,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:20:34,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:34,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 20:20:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:34,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:34,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:34,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:20:34,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:34,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:20:34,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:34,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:20:34,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:34,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:20:34,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:35,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 20:20:35,073 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1907164572] [2020-09-24 20:20:35,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:20:35,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 20:20:35,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041057199] [2020-09-24 20:20:35,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 20:20:35,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:20:35,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 20:20:35,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 20:20:35,107 INFO L87 Difference]: Start difference. First operand 360 states. Second operand 9 states. [2020-09-24 20:20:35,698 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:20:36,432 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:20:36,782 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:20:38,242 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:20:38,488 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:20:38,880 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:20:39,310 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:20:39,623 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:20:39,892 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:20:41,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:20:41,049 INFO L93 Difference]: Finished difference Result 703 states and 854 transitions. [2020-09-24 20:20:41,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 20:20:41,052 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-24 20:20:41,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:20:41,075 INFO L225 Difference]: With dead ends: 703 [2020-09-24 20:20:41,075 INFO L226 Difference]: Without dead ends: 467 [2020-09-24 20:20:41,083 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-24 20:20:41,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2020-09-24 20:20:41,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 416. [2020-09-24 20:20:41,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2020-09-24 20:20:41,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 468 transitions. [2020-09-24 20:20:41,225 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 468 transitions. Word has length 160 [2020-09-24 20:20:41,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:20:41,226 INFO L479 AbstractCegarLoop]: Abstraction has 416 states and 468 transitions. [2020-09-24 20:20:41,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 20:20:41,226 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 468 transitions. [2020-09-24 20:20:41,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-24 20:20:41,232 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:20:41,233 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 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, 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, 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, 1, 1, 1, 1] [2020-09-24 20:20:41,233 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:20:41,233 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:20:41,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:20:41,234 INFO L82 PathProgramCache]: Analyzing trace with hash 311325871, now seen corresponding path program 1 times [2020-09-24 20:20:41,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:20:41,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1764111722] [2020-09-24 20:20:41,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:20:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:41,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:41,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:43,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:43,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-24 20:20:43,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:20:43,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2235 [2020-09-24 20:20:43,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:43,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:20:43,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-09-24 20:20:43,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:20:43,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:43,809 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:20:43,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:20:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:43,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:43,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:43,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:20:43,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:43,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-24 20:20:43,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:43,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:43,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:43,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:43,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:43,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 20:20:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:43,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:43,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:43,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:20:43,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:43,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:20:43,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:43,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:43,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:43,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:43,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:43,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 20:20:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:43,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:43,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:43,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:20:43,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:43,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 20:20:43,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:43,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:43,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:43,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:43,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:43,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 20:20:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:43,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:43,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:43,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:20:43,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:43,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:20:43,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:43,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:43,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:43,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:43,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:43,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 20:20:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:43,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:43,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:43,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:20:43,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:43,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:20:43,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:43,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:43,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:43,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:43,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:43,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 20:20:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:43,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:43,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:43,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:20:43,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:43,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:20:44,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:44,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:44,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:44,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:44,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:44,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 20:20:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:44,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:44,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:44,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 20:20:44,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:44,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:20:44,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:44,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:44,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:44,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:44,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:44,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:20:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:44,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:44,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:44,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:20:44,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:44,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:20:44,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:44,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:44,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:44,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:44,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:44,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 20:20:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:44,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:44,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:44,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 20:20:44,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:44,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-24 20:20:44,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:44,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:20:44,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 20:20:44,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:20:44,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:44,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:20:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:44,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:44,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:44,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 20:20:44,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:44,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-24 20:20:44,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:44,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:20:44,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 20:20:44,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:20:44,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:44,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:20:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:44,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:44,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:44,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 20:20:44,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:44,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-24 20:20:44,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:44,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:20:44,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 20:20:44,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:20:44,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:44,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:20:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:44,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:44,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:44,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:20:44,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:44,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 20:20:44,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:44,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:20:44,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:44,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 20:20:44,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:44,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:20:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:44,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:44,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:44,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:20:44,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:44,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:20:44,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:44,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:44,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:44,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:44,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:44,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:20:44,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:44,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:44,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:44,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:20:44,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:44,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:20:44,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:44,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:44,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 20:20:44,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:44,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:44,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 20:20:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:44,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:44,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:44,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:20:44,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:44,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:20:44,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:44,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:44,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:20:44,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:44,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 20:20:44,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-09-24 20:20:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:44,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:44,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:44,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:20:44,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:44,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:20:44,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:44,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:44,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:20:44,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:44,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:44,515 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 20:20:44,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1764111722] [2020-09-24 20:20:44,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:20:44,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 20:20:44,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846366921] [2020-09-24 20:20:44,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 20:20:44,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:20:44,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 20:20:44,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 20:20:44,520 INFO L87 Difference]: Start difference. First operand 416 states and 468 transitions. Second operand 10 states. [2020-09-24 20:20:45,990 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:20:46,312 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:20:46,640 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 20:20:46,943 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:20:47,260 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:20:47,545 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:20:48,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:20:48,641 INFO L93 Difference]: Finished difference Result 816 states and 982 transitions. [2020-09-24 20:20:48,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 20:20:48,642 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2020-09-24 20:20:48,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:20:48,653 INFO L225 Difference]: With dead ends: 816 [2020-09-24 20:20:48,654 INFO L226 Difference]: Without dead ends: 515 [2020-09-24 20:20:48,658 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-24 20:20:48,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2020-09-24 20:20:48,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 433. [2020-09-24 20:20:48,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2020-09-24 20:20:48,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 491 transitions. [2020-09-24 20:20:48,744 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 491 transitions. Word has length 204 [2020-09-24 20:20:48,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:20:48,745 INFO L479 AbstractCegarLoop]: Abstraction has 433 states and 491 transitions. [2020-09-24 20:20:48,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 20:20:48,745 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 491 transitions. [2020-09-24 20:20:48,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-24 20:20:48,752 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:20:48,752 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 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, 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, 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, 1, 1, 1, 1] [2020-09-24 20:20:48,752 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 20:20:48,754 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:20:48,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:20:48,755 INFO L82 PathProgramCache]: Analyzing trace with hash 248997135, now seen corresponding path program 1 times [2020-09-24 20:20:48,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:20:48,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [412317651] [2020-09-24 20:20:48,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:20:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:48,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:48,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:50,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:50,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-24 20:20:50,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:20:50,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1816 [2020-09-24 20:20:50,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:50,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:20:50,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 190 [2020-09-24 20:20:50,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:20:50,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:50,929 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:20:50,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:20:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:50,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:51,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:51,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:20:51,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:51,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-24 20:20:51,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:51,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:51,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:51,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:51,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:51,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 20:20:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:51,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:51,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:51,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:20:51,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:51,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:20:51,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:51,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:51,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:51,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:51,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:51,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 20:20:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:51,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:51,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:51,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:20:51,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:51,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:20:51,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:51,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:51,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:51,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:51,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:51,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 20:20:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:51,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:51,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:51,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:20:51,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:51,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:20:51,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:51,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:51,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:51,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:51,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:51,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 20:20:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:51,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:51,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:51,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:20:51,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:51,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:20:51,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:51,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:51,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:51,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:51,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:51,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 20:20:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:51,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:51,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:51,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:20:51,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:51,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:20:51,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:51,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:51,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:51,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:51,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:51,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 20:20:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:51,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:51,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:51,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 20:20:51,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:51,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:20:51,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:51,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:51,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:51,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:51,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:51,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:20:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:51,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:51,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:51,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:20:51,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:51,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:20:51,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:51,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:51,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:51,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:51,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:51,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 20:20:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:51,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:51,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:51,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 20:20:51,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:51,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-24 20:20:51,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:51,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:20:51,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 20:20:51,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:20:51,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:51,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:20:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:51,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:51,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:51,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 20:20:51,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:51,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-24 20:20:51,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:51,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:20:51,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 20:20:51,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:20:51,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:51,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:20:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:51,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:51,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:51,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 20:20:51,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:51,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-24 20:20:51,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:51,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:20:51,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 20:20:51,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:20:51,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:51,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:20:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:51,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:51,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:51,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:20:51,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:51,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-24 20:20:51,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:51,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:20:51,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 20:20:51,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:20:51,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:51,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:20:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:51,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:51,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:51,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:20:51,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:51,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:20:51,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:51,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:20:51,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:51,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:20:51,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:51,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:20:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:51,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:51,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:51,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:20:51,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:51,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:20:51,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:51,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:51,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 20:20:51,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:51,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:51,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 20:20:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:51,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:51,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:51,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:20:51,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:51,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:20:51,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:51,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:51,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:20:51,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:51,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:51,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-09-24 20:20:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:51,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:51,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:51,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:20:51,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:51,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 20:20:51,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:51,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:51,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:20:51,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:51,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:51,744 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 20:20:51,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [412317651] [2020-09-24 20:20:51,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:20:51,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 20:20:51,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405960254] [2020-09-24 20:20:51,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 20:20:51,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:20:51,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 20:20:51,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 20:20:51,749 INFO L87 Difference]: Start difference. First operand 433 states and 491 transitions. Second operand 9 states. [2020-09-24 20:20:53,288 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:20:53,614 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 20:20:53,975 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:20:54,304 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 20:20:54,600 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:20:55,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:20:55,887 INFO L93 Difference]: Finished difference Result 839 states and 1029 transitions. [2020-09-24 20:20:55,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 20:20:55,889 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2020-09-24 20:20:55,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:20:55,897 INFO L225 Difference]: With dead ends: 839 [2020-09-24 20:20:55,898 INFO L226 Difference]: Without dead ends: 521 [2020-09-24 20:20:55,906 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-24 20:20:55,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2020-09-24 20:20:55,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 439. [2020-09-24 20:20:55,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2020-09-24 20:20:55,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 497 transitions. [2020-09-24 20:20:55,966 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 497 transitions. Word has length 204 [2020-09-24 20:20:55,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:20:55,967 INFO L479 AbstractCegarLoop]: Abstraction has 439 states and 497 transitions. [2020-09-24 20:20:55,967 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 20:20:55,967 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 497 transitions. [2020-09-24 20:20:55,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-24 20:20:55,970 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:20:55,970 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:20:55,971 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 20:20:55,971 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:20:55,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:20:55,971 INFO L82 PathProgramCache]: Analyzing trace with hash 2141932335, now seen corresponding path program 1 times [2020-09-24 20:20:55,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:20:55,972 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [190626481] [2020-09-24 20:20:55,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:20:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:56,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:57,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:57,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-24 20:20:57,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:57,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1427 [2020-09-24 20:20:57,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:57,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 20:20:57,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 20:20:57,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-09-24 20:20:57,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:57,739 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:20:57,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:20:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:57,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:57,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:57,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:20:57,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:57,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-09-24 20:20:57,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:57,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:57,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:57,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 20:20:57,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:58,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 20:20:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:58,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:58,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:58,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:20:58,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:58,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:20:58,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:58,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:58,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:58,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:20:58,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:58,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 20:20:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:58,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:58,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:58,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:20:58,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:58,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:20:58,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:58,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:58,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:58,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:20:58,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:58,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 20:20:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:58,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:58,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:58,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:20:58,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:58,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:20:58,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:58,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:58,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:58,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:20:58,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:58,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 20:20:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:58,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:58,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:58,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:20:58,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:58,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:20:58,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:58,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:58,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:58,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:20:58,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:58,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 20:20:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:58,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:58,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:58,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:20:58,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:58,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:20:58,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:58,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:58,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:58,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:20:58,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:58,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 20:20:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:58,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:58,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:58,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:20:58,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:58,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:20:58,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:58,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:58,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:58,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:20:58,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:58,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 20:20:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:58,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:58,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:58,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 20:20:58,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:58,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:20:58,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:58,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:58,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:58,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 20:20:58,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:58,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:20:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:58,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:58,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:58,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:20:58,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:58,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 20:20:58,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:58,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:58,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:58,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:58,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:58,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 20:20:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:58,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:58,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:58,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 20:20:58,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:58,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 20:20:58,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:58,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:58,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-24 20:20:58,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 20:20:58,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:58,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:20:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:58,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:58,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:58,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 20:20:58,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:58,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 20:20:58,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:58,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:58,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:58,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 20:20:58,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:58,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:20:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:58,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:58,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:58,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 20:20:58,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:58,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 20:20:58,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:58,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:58,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:58,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 20:20:58,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:58,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:20:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:58,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:58,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:58,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:20:58,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:58,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 20:20:58,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:58,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:58,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:58,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:20:58,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:58,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:20:58,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:58,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:58,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:58,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:20:58,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:58,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:20:58,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:58,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:58,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:58,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 20:20:58,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:20:58,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:20:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:58,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:58,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:58,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:20:58,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:58,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:20:58,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:58,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:20:58,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:20:58,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:20:58,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:58,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 20:20:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:58,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:58,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:58,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:20:58,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:58,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:20:58,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:58,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:58,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:20:58,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:58,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:58,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-24 20:20:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:20:58,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:20:58,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:20:58,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:20:58,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:20:58,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 20:20:58,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:20:58,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:20:58,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:20:58,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:20:58,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:20:58,424 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 20:20:58,425 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [190626481] [2020-09-24 20:20:58,425 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:20:58,425 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 20:20:58,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475030295] [2020-09-24 20:20:58,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 20:20:58,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:20:58,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 20:20:58,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 20:20:58,427 INFO L87 Difference]: Start difference. First operand 439 states and 497 transitions. Second operand 8 states. [2020-09-24 20:20:59,027 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:21:00,049 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:21:03,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:21:03,695 INFO L93 Difference]: Finished difference Result 1338 states and 1718 transitions. [2020-09-24 20:21:03,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-24 20:21:03,696 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2020-09-24 20:21:03,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:21:03,704 INFO L225 Difference]: With dead ends: 1338 [2020-09-24 20:21:03,704 INFO L226 Difference]: Without dead ends: 1002 [2020-09-24 20:21:03,707 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 46 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2020-09-24 20:21:03,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2020-09-24 20:21:03,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 763. [2020-09-24 20:21:03,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 763 states. [2020-09-24 20:21:03,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 891 transitions. [2020-09-24 20:21:03,815 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 891 transitions. Word has length 217 [2020-09-24 20:21:03,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:21:03,816 INFO L479 AbstractCegarLoop]: Abstraction has 763 states and 891 transitions. [2020-09-24 20:21:03,816 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 20:21:03,816 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 891 transitions. [2020-09-24 20:21:03,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-09-24 20:21:03,822 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:21:03,822 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1] [2020-09-24 20:21:03,822 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 20:21:03,823 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:21:03,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:21:03,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1293475621, now seen corresponding path program 1 times [2020-09-24 20:21:03,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:21:03,824 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911778914] [2020-09-24 20:21:03,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:21:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:03,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:04,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:04,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:04,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:04,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:05,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:06,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:06,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:07,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:08,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:08,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 368 [2020-09-24 20:21:08,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-09-24 20:21:08,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5055 [2020-09-24 20:21:08,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:08,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 20:21:08,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 20:21:08,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 274 [2020-09-24 20:21:08,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:09,489 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:21:09,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:21:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:09,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:09,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:09,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:21:09,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:09,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-09-24 20:21:09,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:09,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:09,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:09,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 20:21:09,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:09,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 20:21:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:09,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:09,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:09,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:21:09,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:09,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:09,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:09,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:09,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:09,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:21:09,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:09,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 20:21:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:09,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:09,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:09,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:21:09,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:09,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:09,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:09,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:09,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:09,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:21:09,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:09,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 20:21:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:09,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:09,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:09,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:09,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:09,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:21:09,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:09,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:09,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:09,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:21:09,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:09,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 20:21:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:09,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:09,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:09,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:21:09,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:09,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:21:09,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:09,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:09,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:09,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:21:09,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:09,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 20:21:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:09,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:09,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:09,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:21:09,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:09,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:21:09,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:09,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:09,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:09,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:21:09,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:09,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 20:21:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:09,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:09,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:09,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:21:09,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:09,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:21:09,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:09,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:21:09,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:21:09,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:21:09,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:09,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 20:21:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:09,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:09,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:09,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:21:09,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:09,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:21:09,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:09,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:09,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:09,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:21:09,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:09,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 20:21:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:10,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:10,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:10,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:10,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 20:21:10,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:21:10,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-09-24 20:21:10,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:10,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:21:10,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:10,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-24 20:21:10,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:10,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:21:10,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:10,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:10,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:10,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 20:21:10,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:10,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:10,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:10,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:10,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:10,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:10,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:10,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:21:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:10,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:10,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:10,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:10,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:10,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:10,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:10,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:10,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:10,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:10,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:10,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 20:21:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:10,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:10,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:10,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 20:21:10,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:10,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 20:21:10,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:10,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:21:10,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:10,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 20:21:10,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:10,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:21:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:10,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:10,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:10,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:10,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:10,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:21:10,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:10,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:21:10,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:10,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 20:21:10,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:10,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-24 20:21:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:10,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:10,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:10,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:10,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 20:21:10,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:21:10,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-09-24 20:21:10,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:10,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:21:10,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:10,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-24 20:21:10,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:10,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:21:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:10,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:10,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:10,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 20:21:10,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:10,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:10,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:10,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:10,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:10,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:10,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:10,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:21:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:10,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:10,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:10,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:10,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:10,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:21:10,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:10,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:10,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:10,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:10,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:10,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 20:21:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:10,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:10,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:10,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 20:21:10,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:10,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:21:10,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:10,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:21:10,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:10,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 20:21:10,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:10,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:21:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:10,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:10,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:10,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:10,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:10,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:21:10,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:10,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:21:10,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:10,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 20:21:10,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:10,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 20:21:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:10,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:10,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:10,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 20:21:10,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:10,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 20:21:10,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:10,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:10,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:10,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 20:21:10,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:10,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:21:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:10,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:10,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:10,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:10,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:10,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:21:10,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:10,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:10,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:10,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:10,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:10,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-24 20:21:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:10,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:10,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:10,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 20:21:10,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:10,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 20:21:10,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:10,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:10,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:10,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-24 20:21:10,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:10,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:21:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:10,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:10,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:10,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 20:21:10,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:10,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 20:21:10,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:10,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:10,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:10,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:10,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:10,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:21:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:10,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:10,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:10,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 20:21:10,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:10,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 20:21:10,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:10,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:10,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:10,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:10,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:10,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:21:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:10,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:10,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:10,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:21:10,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:10,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:21:10,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:10,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:10,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:10,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:10,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:10,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:21:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:10,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:10,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:10,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:21:10,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:10,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:21:10,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:10,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:10,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:10,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:10,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:10,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:21:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:10,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:10,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:10,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:21:10,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:10,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:10,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:10,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:10,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:10,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:10,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:10,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-09-24 20:21:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:10,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:10,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:10,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:10,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:10,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 20:21:10,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:10,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:21:10,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:10,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:21:10,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:10,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-09-24 20:21:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:10,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:10,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:10,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:10,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:10,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:21:10,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:10,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:10,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:21:10,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:10,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:11,097 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-09-24 20:21:11,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911778914] [2020-09-24 20:21:11,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 20:21:11,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-09-24 20:21:11,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673829568] [2020-09-24 20:21:11,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-09-24 20:21:11,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:21:11,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-09-24 20:21:11,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2020-09-24 20:21:11,100 INFO L87 Difference]: Start difference. First operand 763 states and 891 transitions. Second operand 20 states. [2020-09-24 20:21:11,717 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:21:12,841 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190