/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:02:23,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:02:23,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:02:23,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:02:23,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:02:23,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:02:23,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:02:23,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:02:23,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:02:23,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:02:23,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:02:23,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:02:23,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:02:23,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:02:23,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:02:23,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:02:23,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:02:23,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:02:23,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:02:23,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:02:23,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:02:23,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:02:23,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:02:23,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:02:23,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:02:23,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:02:23,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:02:23,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:02:23,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:02:23,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:02:23,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:02:23,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:02:23,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:02:23,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:02:23,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:02:23,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:02:23,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:02:23,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:02:23,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:02:23,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:02:23,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:02:23,748 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 [2020-09-25 11:02:23,793 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:02:23,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:02:23,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:02:23,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:02:23,796 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:02:23,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:02:23,797 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:02:23,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:02:23,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:02:23,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:02:23,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:02:23,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:02:23,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:02:23,799 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:02:23,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:02:23,800 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:02:23,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:02:23,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:02:23,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:02:23,801 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:02:23,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:02:23,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:02:23,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:02:23,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:02:23,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:02:23,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:02:23,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:02:23,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:02:23,803 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:02:23,803 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; [2020-09-25 11:02:24,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:02:24,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:02:24,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:02:24,350 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:02:24,351 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:02:24,352 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2020-09-25 11:02:24,453 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e381fe934/2a61f72c30de4fd3bbbaf857bd09ed97/FLAG8b044b385 [2020-09-25 11:02:25,191 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:02:25,194 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2020-09-25 11:02:25,224 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e381fe934/2a61f72c30de4fd3bbbaf857bd09ed97/FLAG8b044b385 [2020-09-25 11:02:25,417 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e381fe934/2a61f72c30de4fd3bbbaf857bd09ed97 [2020-09-25 11:02:25,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:02:25,437 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:02:25,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:02:25,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:02:25,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:02:25,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:02:25" (1/1) ... [2020-09-25 11:02:25,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2830e110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:25, skipping insertion in model container [2020-09-25 11:02:25,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:02:25" (1/1) ... [2020-09-25 11:02:25,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:02:25,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:02:25,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:02:26,011 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:02:26,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:02:26,179 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:02:26,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:26 WrapperNode [2020-09-25 11:02:26,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:02:26,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:02:26,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:02:26,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:02:26,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:26" (1/1) ... [2020-09-25 11:02:26,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:26" (1/1) ... [2020-09-25 11:02:26,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:26" (1/1) ... [2020-09-25 11:02:26,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:26" (1/1) ... [2020-09-25 11:02:26,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:26" (1/1) ... [2020-09-25 11:02:26,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:26" (1/1) ... [2020-09-25 11:02:26,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:26" (1/1) ... [2020-09-25 11:02:26,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:02:26,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:02:26,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:02:26,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:02:26,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:26" (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 [2020-09-25 11:02:26,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:02:26,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:02:26,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 11:02:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 11:02:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 11:02:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 11:02:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 11:02:26,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 11:02:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 11:02:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 11:02:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 11:02:26,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 11:02:26,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 11:02:26,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 11:02:26,405 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 11:02:26,406 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 11:02:26,406 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 11:02:26,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 11:02:26,407 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 11:02:26,407 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 11:02:26,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 11:02:26,408 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 11:02:26,408 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 11:02:26,408 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 11:02:26,408 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 11:02:26,409 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 11:02:26,409 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 11:02:26,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 11:02:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 11:02:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 11:02:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 11:02:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 11:02:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 11:02:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 11:02:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 11:02:26,411 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 11:02:26,411 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 11:02:26,411 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 11:02:26,411 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 11:02:26,411 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:02:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:02:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:02:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 11:02:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 11:02:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 11:02:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 11:02:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 11:02:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 11:02:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 11:02:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 11:02:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 11:02:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 11:02:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 11:02:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 11:02:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 11:02:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 11:02:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 11:02:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:02:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 11:02:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 11:02:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 11:02:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 11:02:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 11:02:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:02:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 11:02:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 11:02:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 11:02:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 11:02:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 11:02:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 11:02:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 11:02:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 11:02:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 11:02:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 11:02:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 11:02:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 11:02:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 11:02:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 11:02:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 11:02:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 11:02:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 11:02:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 11:02:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 11:02:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 11:02:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 11:02:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 11:02:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 11:02:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 11:02:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 11:02:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 11:02:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:02:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:02:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 11:02:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:02:27,552 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:02:27,553 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 11:02:27,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:02:27 BoogieIcfgContainer [2020-09-25 11:02:27,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:02:27,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:02:27,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:02:27,571 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:02:27,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:02:25" (1/3) ... [2020-09-25 11:02:27,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a69ac40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:02:27, skipping insertion in model container [2020-09-25 11:02:27,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:02:26" (2/3) ... [2020-09-25 11:02:27,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a69ac40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:02:27, skipping insertion in model container [2020-09-25 11:02:27,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:02:27" (3/3) ... [2020-09-25 11:02:27,576 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34.cil.c [2020-09-25 11:02:27,588 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:02:27,604 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:02:27,630 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:02:27,679 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:02:27,679 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:02:27,679 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:02:27,679 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:02:27,679 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:02:27,679 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:02:27,680 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:02:27,680 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:02:27,723 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states. [2020-09-25 11:02:27,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 11:02:27,762 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:02:27,765 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] [2020-09-25 11:02:27,765 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:02:27,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:02:27,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1009197842, now seen corresponding path program 1 times [2020-09-25 11:02:27,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:02:27,789 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [287397690] [2020-09-25 11:02:27,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:02:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:28,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:28,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:30,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:30,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:33,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:33,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:33,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 11:02:33,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:02:33,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-09-25 11:02:33,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:33,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:33,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 11:02:33,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 11:02:33,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-09-25 11:02:33,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 11:02:33,849 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:02:33,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:33,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:34,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:34,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:02:34,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:34,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 301 [2020-09-25 11:02:34,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:34,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:34,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:34,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:34,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 11:02:34,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:34,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:02:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:34,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:34,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:34,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:34,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:34,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:02:34,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:34,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:34,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:34,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:34,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:34,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:34,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:02:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:34,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:34,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:34,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:34,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:34,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:34,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:34,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:34,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:34,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:34,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:34,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:34,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:02:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:34,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:34,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:34,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:34,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:34,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:02:34,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:34,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:34,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:34,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:34,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:02:34,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:34,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:02:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:34,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:34,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:34,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:34,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:34,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:02:34,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:34,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:34,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:34,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:34,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:34,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:34,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:02:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:34,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:34,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:34,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:02:34,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:34,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:02:34,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:34,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:34,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:34,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:34,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:02:34,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:34,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:02:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:34,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:34,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:34,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:02:34,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:34,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 11:02:34,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:34,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:34,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:34,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:34,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 11:02:34,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:34,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:34,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:34,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:34,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:34,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:34,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:34,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:34,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:34,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:34,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:34,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:34,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:34,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 11:02:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:34,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:34,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:34,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:34,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:34,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:34,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:34,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:34,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:34,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:34,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:02:34,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:34,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 11:02:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:34,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:34,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:34,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:34,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:34,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 11:02:34,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:34,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:34,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:02:34,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:34,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:02:34,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:34,516 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 11:02:34,517 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [287397690] [2020-09-25 11:02:34,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:02:34,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 11:02:34,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181985432] [2020-09-25 11:02:34,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 11:02:34,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:02:34,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 11:02:34,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 11:02:34,550 INFO L87 Difference]: Start difference. First operand 295 states. Second operand 9 states. [2020-09-25 11:02:35,197 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:02:36,290 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:02:36,599 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:02:37,686 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:02:37,995 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:02:38,367 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:02:38,792 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:02:39,120 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:02:39,440 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:02:40,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:02:40,029 INFO L93 Difference]: Finished difference Result 552 states and 668 transitions. [2020-09-25 11:02:40,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 11:02:40,031 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 11:02:40,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:02:40,051 INFO L225 Difference]: With dead ends: 552 [2020-09-25 11:02:40,051 INFO L226 Difference]: Without dead ends: 381 [2020-09-25 11:02:40,059 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 21 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 11:02:40,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-09-25 11:02:40,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 333. [2020-09-25 11:02:40,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2020-09-25 11:02:40,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 372 transitions. [2020-09-25 11:02:40,192 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 372 transitions. Word has length 160 [2020-09-25 11:02:40,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:02:40,193 INFO L479 AbstractCegarLoop]: Abstraction has 333 states and 372 transitions. [2020-09-25 11:02:40,193 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 11:02:40,193 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 372 transitions. [2020-09-25 11:02:40,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-25 11:02:40,197 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:02:40,198 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] [2020-09-25 11:02:40,198 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:02:40,198 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:02:40,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:02:40,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1749038949, now seen corresponding path program 1 times [2020-09-25 11:02:40,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:02:40,200 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2002278015] [2020-09-25 11:02:40,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:02:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:40,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:40,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:42,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:42,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 11:02:42,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:02:42,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2103 [2020-09-25 11:02:42,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:42,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:42,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:02:42,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 188 [2020-09-25 11:02:42,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:02:42,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:42,644 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:02:42,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:42,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:42,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:42,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:42,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:02:42,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:42,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-25 11:02:42,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:42,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:42,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:42,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:42,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:42,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:42,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:02:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:42,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:42,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:42,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:42,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:42,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:42,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:42,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:42,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:42,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:42,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:42,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:42,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:02:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:42,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:42,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:42,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:42,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:42,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:42,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:42,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:42,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:42,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:42,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:42,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:42,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:02:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:42,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:42,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:42,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:42,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:42,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:42,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:42,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:42,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:42,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:42,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:42,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:42,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:02:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:42,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:42,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:42,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:42,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:42,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:42,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:42,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:42,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:42,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:42,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:42,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:42,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:02:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:42,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:42,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:42,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:02:42,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:42,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:42,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:42,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:42,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:42,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:42,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:42,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:42,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 11:02:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:42,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:42,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:42,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:02:42,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:42,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:42,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:42,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:42,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:42,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:42,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:42,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:42,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:42,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:42,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:42,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:42,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:42,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:42,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:42,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:42,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:42,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:42,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:42,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:42,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 11:02:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:42,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:42,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:42,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 11:02:42,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:42,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-25 11:02:42,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:42,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:42,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:02:42,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 11:02:42,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:02:42,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:42,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:02:42,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:42,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:42,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:42,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:02:42,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:42,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 11:02:42,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:42,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:42,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:02:42,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:42,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 11:02:42,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:43,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:02:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:43,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:43,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:43,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:02:43,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:43,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:43,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:43,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:43,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:43,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:43,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:02:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:43,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:43,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:43,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:02:43,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:43,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:43,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:43,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:43,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:43,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 11:02:43,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:43,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:43,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 11:02:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:43,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:43,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:43,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:43,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:43,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:43,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:43,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:43,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:43,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:02:43,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:43,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:43,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 11:02:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:43,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:43,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:43,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:43,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:43,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:43,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:43,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:43,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:43,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:02:43,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:43,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:43,099 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 11:02:43,100 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2002278015] [2020-09-25 11:02:43,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:02:43,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 11:02:43,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111706347] [2020-09-25 11:02:43,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 11:02:43,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:02:43,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 11:02:43,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 11:02:43,104 INFO L87 Difference]: Start difference. First operand 333 states and 372 transitions. Second operand 10 states. [2020-09-25 11:02:44,628 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:02:44,933 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:02:45,333 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:02:45,668 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:02:46,007 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:02:46,319 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:02:47,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:02:47,023 INFO L93 Difference]: Finished difference Result 640 states and 769 transitions. [2020-09-25 11:02:47,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 11:02:47,024 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 194 [2020-09-25 11:02:47,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:02:47,033 INFO L225 Difference]: With dead ends: 640 [2020-09-25 11:02:47,033 INFO L226 Difference]: Without dead ends: 422 [2020-09-25 11:02:47,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 11:02:47,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2020-09-25 11:02:47,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 344. [2020-09-25 11:02:47,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-09-25 11:02:47,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 386 transitions. [2020-09-25 11:02:47,097 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 386 transitions. Word has length 194 [2020-09-25 11:02:47,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:02:47,098 INFO L479 AbstractCegarLoop]: Abstraction has 344 states and 386 transitions. [2020-09-25 11:02:47,098 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 11:02:47,098 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 386 transitions. [2020-09-25 11:02:47,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 11:02:47,101 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:02:47,101 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:02:47,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:02:47,102 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:02:47,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:02:47,102 INFO L82 PathProgramCache]: Analyzing trace with hash -981229065, now seen corresponding path program 1 times [2020-09-25 11:02:47,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:02:47,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1432286277] [2020-09-25 11:02:47,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:02:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:47,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:47,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:47,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:47,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:49,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:52,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:52,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-09-25 11:02:52,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:02:52,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-09-25 11:02:52,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:52,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:52,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 11:02:52,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 11:02:52,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-25 11:02:52,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:52,540 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:02:52,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:52,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:52,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:52,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:02:52,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:52,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-09-25 11:02:52,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:52,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:52,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:52,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:52,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 11:02:52,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:52,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:02:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:52,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:52,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:52,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:52,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:52,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:52,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:52,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:52,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:52,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:52,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:52,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:52,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:02:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:52,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:52,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:52,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:52,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:52,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:52,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:52,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:52,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:52,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:52,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:52,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:52,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:02:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:52,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:52,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:52,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:52,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:52,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:02:52,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:52,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:52,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:52,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:52,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:02:52,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:52,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:02:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:52,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:52,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:52,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:02:52,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:52,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:52,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:52,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:52,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:52,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:52,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:02:52,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:52,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:02:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:52,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:52,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:52,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:02:52,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:52,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:02:52,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:52,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:52,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:52,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:52,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:02:52,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:52,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:02:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:52,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:53,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:53,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-25 11:02:53,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:53,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 11:02:53,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:53,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:53,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:53,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 11:02:53,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 11:02:53,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:53,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:53,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:53,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:53,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:02:53,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:53,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:53,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:53,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:53,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:53,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:53,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:53,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:53,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:53,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:53,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:53,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:53,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:53,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:53,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:53,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:53,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:53,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:53,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:53,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:53,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 11:02:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:53,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:53,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:53,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 11:02:53,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:53,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 11:02:53,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:53,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:53,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:02:53,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:53,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 11:02:53,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:53,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:02:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:53,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:53,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:53,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:53,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:53,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:53,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:53,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:53,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:53,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:53,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:53,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:02:53,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 11:02:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:53,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:53,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:53,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:02:53,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:53,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:53,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:53,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:53,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:53,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 11:02:53,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:53,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:53,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:02:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:53,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:53,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:53,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:53,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:53,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:53,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:53,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:53,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:53,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:53,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:53,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:53,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 11:02:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:53,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:53,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:53,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:53,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 11:02:53,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:02:53,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-25 11:02:53,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:53,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:53,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:02:53,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 11:02:53,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:02:53,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:53,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:02:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:53,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:53,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:53,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:02:53,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:53,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 11:02:53,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:53,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:53,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:02:53,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 11:02:53,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:02:53,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:53,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:02:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:53,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:53,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:53,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:02:53,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:53,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:02:53,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:53,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:53,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:02:53,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:02:53,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:02:53,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:02:53,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:02:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:53,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:53,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:53,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:02:53,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:53,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:53,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:53,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:53,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:53,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 11:02:53,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:53,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:53,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 11:02:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:53,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:53,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:53,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:53,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:53,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:02:53,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:53,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:53,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:53,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:02:53,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:53,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:53,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-25 11:02:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:53,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:53,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:02:53,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:02:53,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:02:53,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:02:53,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:02:53,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:02:53,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:02:53,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:02:53,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:02:53,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:02:53,523 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-25 11:02:53,524 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1432286277] [2020-09-25 11:02:53,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:02:53,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 11:02:53,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929503952] [2020-09-25 11:02:53,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 11:02:53,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:02:53,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 11:02:53,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-09-25 11:02:53,527 INFO L87 Difference]: Start difference. First operand 344 states and 386 transitions. Second operand 12 states. [2020-09-25 11:02:54,065 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:02:55,401 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:02:55,757 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 11:02:56,139 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:02:56,488 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:02:56,801 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:02:57,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:02:57,822 INFO L93 Difference]: Finished difference Result 672 states and 829 transitions. [2020-09-25 11:02:57,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 11:02:57,824 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 230 [2020-09-25 11:02:57,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:02:57,828 INFO L225 Difference]: With dead ends: 672 [2020-09-25 11:02:57,828 INFO L226 Difference]: Without dead ends: 443 [2020-09-25 11:02:57,830 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=145, Invalid=361, Unknown=0, NotChecked=0, Total=506 [2020-09-25 11:02:57,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2020-09-25 11:02:57,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 350. [2020-09-25 11:02:57,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2020-09-25 11:02:57,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 390 transitions. [2020-09-25 11:02:57,888 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 390 transitions. Word has length 230 [2020-09-25 11:02:57,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:02:57,889 INFO L479 AbstractCegarLoop]: Abstraction has 350 states and 390 transitions. [2020-09-25 11:02:57,889 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 11:02:57,889 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 390 transitions. [2020-09-25 11:02:57,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-25 11:02:57,892 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:02:57,892 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] [2020-09-25 11:02:57,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 11:02:57,893 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:02:57,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:02:57,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1521877566, now seen corresponding path program 1 times [2020-09-25 11:02:57,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:02:57,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1144866156] [2020-09-25 11:02:57,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:02:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:02:58,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:02:58,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:01,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:01,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 11:03:01,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:03:01,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3691 [2020-09-25 11:03:01,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:01,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:01,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 11:03:01,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 11:03:01,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-09-25 11:03:01,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:01,924 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:03:01,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:01,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:02,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:02,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:03:02,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:02,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269 [2020-09-25 11:03:02,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:02,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:02,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:02,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:02,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 11:03:02,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:02,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:03:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:02,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:02,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:02,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:02,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:02,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:03:02,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:02,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:02,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:02,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:02,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:02,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:02,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:03:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:02,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:02,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:02,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:02,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:02,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:02,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:02,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:02,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:02,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:02,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:02,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:02,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:03:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:02,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:02,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:02,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:02,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:02,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:03:02,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:02,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:02,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:02,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:02,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:03:02,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:02,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:03:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:02,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:02,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:02,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:02,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:02,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:03:02,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:02,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:02,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:02,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:02,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:02,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:02,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:03:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:02,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:02,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:02,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:03:02,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:02,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:03:02,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:02,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:02,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:02,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:02,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:03:02,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:02,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 11:03:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:02,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:02,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:02,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:03:02,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:02,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:03:02,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:02,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:02,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:02,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:02,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 11:03:02,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:02,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:02,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:02,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:02,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:02,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:02,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:02,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:02,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:02,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:02,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:02,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:02,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:03:02,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 11:03:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:02,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:02,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:02,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 11:03:02,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:02,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 11:03:02,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:02,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:02,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:02,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-25 11:03:02,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 11:03:02,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:02,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:03:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:02,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:02,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:02,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:03:02,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:02,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 11:03:02,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:02,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:02,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:02,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:02,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:03:02,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:03:02,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:03:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:02,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:02,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:02,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:03:02,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:02,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:03:02,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:02,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:02,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:02,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:02,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 11:03:02,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:02,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:03:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:02,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:02,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:02,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:03:02,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:02,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:03:02,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:02,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:02,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:02,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:02,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:03:02,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:02,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 11:03:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:02,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:02,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:02,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:02,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:02,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:02,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:02,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:02,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:02,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:03:02,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:02,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:02,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 11:03:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:02,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:02,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:02,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:02,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:02,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:02,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:02,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:02,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:02,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:03:02,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:02,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:02,644 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 11:03:02,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1144866156] [2020-09-25 11:03:02,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:03:02,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 11:03:02,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064384509] [2020-09-25 11:03:02,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 11:03:02,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:03:02,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 11:03:02,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-25 11:03:02,650 INFO L87 Difference]: Start difference. First operand 350 states and 390 transitions. Second operand 8 states. [2020-09-25 11:03:03,188 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:03:03,937 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:03:05,663 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:03:07,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:03:07,085 INFO L93 Difference]: Finished difference Result 1116 states and 1401 transitions. [2020-09-25 11:03:07,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 11:03:07,086 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 194 [2020-09-25 11:03:07,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:03:07,093 INFO L225 Difference]: With dead ends: 1116 [2020-09-25 11:03:07,093 INFO L226 Difference]: Without dead ends: 855 [2020-09-25 11:03:07,096 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2020-09-25 11:03:07,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2020-09-25 11:03:07,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 763. [2020-09-25 11:03:07,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 763 states. [2020-09-25 11:03:07,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 877 transitions. [2020-09-25 11:03:07,216 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 877 transitions. Word has length 194 [2020-09-25 11:03:07,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:03:07,216 INFO L479 AbstractCegarLoop]: Abstraction has 763 states and 877 transitions. [2020-09-25 11:03:07,217 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 11:03:07,217 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 877 transitions. [2020-09-25 11:03:07,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-25 11:03:07,220 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:03:07,220 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] [2020-09-25 11:03:07,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 11:03:07,221 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:03:07,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:03:07,221 INFO L82 PathProgramCache]: Analyzing trace with hash 445785641, now seen corresponding path program 1 times [2020-09-25 11:03:07,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:03:07,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [683362050] [2020-09-25 11:03:07,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:03:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:07,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:07,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:12,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:12,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-09-25 11:03:12,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:03:12,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4907 [2020-09-25 11:03:12,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:12,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:12,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-25 11:03:12,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 11:03:12,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-09-25 11:03:12,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:12,536 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:03:12,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:12,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:12,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:12,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:03:12,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:12,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-09-25 11:03:12,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:12,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:12,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:12,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:12,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 11:03:12,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1