/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=WIDEST --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_spec4_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:02:30,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:02:30,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:02:30,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:02:30,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:02:30,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:02:30,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:02:30,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:02:30,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:02:30,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:02:30,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:02:30,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:02:30,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:02:30,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:02:30,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:02:30,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:02:30,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:02:30,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:02:30,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:02:30,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:02:30,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:02:30,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:02:30,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:02:30,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:02:30,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:02:30,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:02:30,634 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:02:30,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:02:30,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:02:30,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:02:30,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:02:30,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:02:30,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:02:30,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:02:30,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:02:30,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:02:30,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:02:30,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:02:30,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:02:30,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:02:30,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:02:30,651 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 03:02:30,692 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:02:30,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:02:30,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:02:30,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:02:30,694 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:02:30,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:02:30,695 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:02:30,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:02:30,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:02:30,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:02:30,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:02:30,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:02:30,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:02:30,697 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:02:30,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:02:30,698 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:02:30,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:02:30,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:02:30,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:02:30,699 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:02:30,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:02:30,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:02:30,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:02:30,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:02:30,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:02:30,700 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:02:30,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:02:30,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:02:30,700 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:02:30,701 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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;log-additional-information=true; [2020-09-25 03:02:31,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:02:31,180 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:02:31,184 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:02:31,186 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:02:31,187 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:02:31,188 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c [2020-09-25 03:02:31,276 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/db6b582af/afdd9e2ce67b446983e0d4cb06539910/FLAG3ccace114 [2020-09-25 03:02:31,875 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:02:31,876 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c [2020-09-25 03:02:31,895 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/db6b582af/afdd9e2ce67b446983e0d4cb06539910/FLAG3ccace114 [2020-09-25 03:02:32,132 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/db6b582af/afdd9e2ce67b446983e0d4cb06539910 [2020-09-25 03:02:32,145 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:02:32,151 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:02:32,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:02:32,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:02:32,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:02:32,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:02:32" (1/1) ... [2020-09-25 03:02:32,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:32, skipping insertion in model container [2020-09-25 03:02:32,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:02:32" (1/1) ... [2020-09-25 03:02:32,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:02:32,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:02:32,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:02:32,583 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:02:32,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:02:32,844 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:02:32,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:32 WrapperNode [2020-09-25 03:02:32,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:02:32,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:02:32,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:02:32,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:02:32,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:32" (1/1) ... [2020-09-25 03:02:32,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:32" (1/1) ... [2020-09-25 03:02:32,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:32" (1/1) ... [2020-09-25 03:02:32,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:32" (1/1) ... [2020-09-25 03:02:32,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:32" (1/1) ... [2020-09-25 03:02:32,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:32" (1/1) ... [2020-09-25 03:02:32,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:32" (1/1) ... [2020-09-25 03:02:32,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:02:32,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:02:32,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:02:32,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:02:32,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:32" (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 03:02:33,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:02:33,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:02:33,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 03:02:33,029 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 03:02:33,029 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 03:02:33,029 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 03:02:33,030 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 03:02:33,030 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 03:02:33,030 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 03:02:33,030 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 03:02:33,030 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 03:02:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 03:02:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 03:02:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 03:02:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 03:02:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 03:02:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 03:02:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 03:02:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 03:02:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 03:02:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 03:02:33,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 03:02:33,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 03:02:33,033 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 03:02:33,033 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 03:02:33,033 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 03:02:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 03:02:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:02:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 03:02:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 03:02:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 03:02:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 03:02:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 03:02:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 03:02:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 03:02:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 03:02:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 03:02:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 03:02:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 03:02:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:02:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:02:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 03:02:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 03:02:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 03:02:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 03:02:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 03:02:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 03:02:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 03:02:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 03:02:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 03:02:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 03:02:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 03:02:33,038 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 03:02:33,038 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 03:02:33,038 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 03:02:33,038 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 03:02:33,038 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 03:02:33,038 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 03:02:33,038 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 03:02:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 03:02:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 03:02:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 03:02:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:02:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 03:02:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 03:02:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:02:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:02:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 03:02:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:02:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:02:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:02:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:02:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 03:02:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:02:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 03:02:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 03:02:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:02:33,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 03:02:33,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 03:02:33,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 03:02:33,042 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 03:02:33,042 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 03:02:33,042 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 03:02:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 03:02:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 03:02:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 03:02:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 03:02:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:02:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 03:02:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:02:33,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 03:02:33,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:02:34,151 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:02:34,151 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 03:02:34,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:02:34 BoogieIcfgContainer [2020-09-25 03:02:34,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:02:34,160 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:02:34,160 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:02:34,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:02:34,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:02:32" (1/3) ... [2020-09-25 03:02:34,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d667eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:02:34, skipping insertion in model container [2020-09-25 03:02:34,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:32" (2/3) ... [2020-09-25 03:02:34,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d667eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:02:34, skipping insertion in model container [2020-09-25 03:02:34,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:02:34" (3/3) ... [2020-09-25 03:02:34,168 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product45.cil.c [2020-09-25 03:02:34,179 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:02:34,191 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:02:34,213 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:02:34,248 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:02:34,248 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:02:34,248 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:02:34,249 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:02:34,249 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:02:34,249 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:02:34,249 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:02:34,249 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:02:34,280 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states. [2020-09-25 03:02:34,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 03:02:34,298 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:02:34,300 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:02:34,300 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:02:34,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:02:34,308 INFO L82 PathProgramCache]: Analyzing trace with hash 2095519096, now seen corresponding path program 1 times [2020-09-25 03:02:34,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:02:34,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [16172865] [2020-09-25 03:02:34,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:02:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:34,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:34,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:35,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:36,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:36,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:39,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:39,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 03:02:39,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 03:02:39,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-09-25 03:02:39,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:39,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:02:39,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 03:02:39,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-25 03:02:39,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 03:02:40,316 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:02:40,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:02:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:40,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:40,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:40,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:02:40,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:40,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 332 [2020-09-25 03:02:40,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:40,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:40,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:40,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 03:02:40,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:40,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:02:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:40,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:40,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:40,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:02:40,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:40,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:02:40,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:40,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:40,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:40,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:02:40,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 03:02:40,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:02:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:40,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:40,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:40,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:02:40,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:40,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:02:40,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:40,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:40,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:40,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:02:40,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:40,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:02:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:40,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:40,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:40,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:02:40,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:40,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 03:02:40,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:40,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:40,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:40,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:02:40,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:40,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:02:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:40,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:40,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:40,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:02:40,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:40,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:02:40,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:40,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:40,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:40,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:02:40,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:40,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:02:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:40,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:40,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:40,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:02:40,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:40,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:02:40,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:40,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:40,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:40,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:02:40,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:40,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 03:02:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:40,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:40,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:40,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:02:40,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:40,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 03:02:40,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:40,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:02:40,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:40,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:02:40,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:41,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:02:41,079 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [16172865] [2020-09-25 03:02:41,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:02:41,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 03:02:41,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647724870] [2020-09-25 03:02:41,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 03:02:41,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:02:41,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 03:02:41,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 03:02:41,124 INFO L87 Difference]: Start difference. First operand 315 states. Second operand 8 states. [2020-09-25 03:02:42,089 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:02:43,495 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:43,804 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:02:44,146 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:44,540 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:02:44,881 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:45,890 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:02:46,263 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:46,654 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:02:47,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:02:47,878 INFO L93 Difference]: Finished difference Result 621 states and 768 transitions. [2020-09-25 03:02:47,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 03:02:47,885 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 03:02:47,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:02:47,908 INFO L225 Difference]: With dead ends: 621 [2020-09-25 03:02:47,908 INFO L226 Difference]: Without dead ends: 417 [2020-09-25 03:02:47,915 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 16 SyntacticMatches, 5 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-25 03:02:47,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2020-09-25 03:02:48,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 375. [2020-09-25 03:02:48,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-09-25 03:02:48,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 427 transitions. [2020-09-25 03:02:48,056 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 427 transitions. Word has length 142 [2020-09-25 03:02:48,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:02:48,057 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 427 transitions. [2020-09-25 03:02:48,057 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 03:02:48,057 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 427 transitions. [2020-09-25 03:02:48,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-09-25 03:02:48,063 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:02:48,064 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 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 03:02:48,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:02:48,065 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:02:48,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:02:48,065 INFO L82 PathProgramCache]: Analyzing trace with hash 124751411, now seen corresponding path program 1 times [2020-09-25 03:02:48,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:02:48,066 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [379389407] [2020-09-25 03:02:48,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:02:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:48,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:48,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:48,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:48,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:51,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:51,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:53,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:53,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-09-25 03:02:53,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 03:02:53,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-09-25 03:02:53,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:53,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-25 03:02:53,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 03:02:53,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-09-25 03:02:53,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:53,565 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:02:53,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:02:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:53,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:53,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:53,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:02:53,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:53,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 298 [2020-09-25 03:02:53,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:53,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:53,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:53,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 03:02:53,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:53,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:02:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:53,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:53,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:53,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:02:53,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:53,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:02:53,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:53,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:53,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:53,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:02:53,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:53,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:02:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:53,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:53,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:53,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:02:53,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:53,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:02:53,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:53,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:53,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:53,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:02:53,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 03:02:53,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:02:53,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:53,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:53,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:53,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:02:53,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:53,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:02:53,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:53,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:53,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:53,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:02:53,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:53,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:02:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:53,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:53,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:53,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:02:53,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:53,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:02:53,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:53,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:53,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:53,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:02:53,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:54,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-09-25 03:02:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:54,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:54,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 03:02:54,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:02:54,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-25 03:02:54,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:54,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:02:54,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:02:54,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 03:02:54,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:54,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:02:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:54,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:54,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 03:02:54,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:54,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 03:02:54,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:54,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:54,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:54,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 03:02:54,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:54,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:02:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:54,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:54,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:02:54,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:54,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:02:54,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:54,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:02:54,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:54,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:02:54,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:54,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-25 03:02:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:54,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:54,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 03:02:54,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:02:54,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-09-25 03:02:54,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:54,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:54,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:54,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 03:02:54,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:54,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:02:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:54,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:54,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 03:02:54,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:02:54,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-09-25 03:02:54,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:54,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:02:54,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 03:02:54,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:02:54,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:54,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:02:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:54,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:54,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:02:54,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:54,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 03:02:54,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:54,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:02:54,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:54,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 03:02:54,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:54,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:02:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:54,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:54,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:02:54,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:54,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:02:54,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:54,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:02:54,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:54,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:02:54,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:54,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:02:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:54,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:54,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 03:02:54,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:54,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 03:02:54,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:54,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:02:54,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 03:02:54,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:02:54,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:54,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:02:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:54,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:54,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:02:54,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:54,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:02:54,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:54,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:02:54,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:54,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:02:54,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:54,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:02:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:54,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:54,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:02:54,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:54,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:02:54,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:54,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:02:54,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:54,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:02:54,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:54,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 03:02:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:54,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:54,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:02:54,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:54,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:02:54,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:54,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:02:54,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:54,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:02:54,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:54,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-25 03:02:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:54,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:54,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:02:54,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:54,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:02:54,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:54,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:02:54,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:54,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:02:54,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:54,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-25 03:02:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:54,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:54,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:02:54,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:54,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:02:54,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:54,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:02:54,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:02:54,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:02:54,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:54,806 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 03:02:54,806 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [379389407] [2020-09-25 03:02:54,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 03:02:54,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-25 03:02:54,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620549174] [2020-09-25 03:02:54,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-25 03:02:54,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:02:54,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-25 03:02:54,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2020-09-25 03:02:54,811 INFO L87 Difference]: Start difference. First operand 375 states and 427 transitions. Second operand 17 states. [2020-09-25 03:02:55,283 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:02:56,375 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:02:56,742 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:57,130 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:57,514 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:02:57,844 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:58,421 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:58,757 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:02:59,089 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:02:59,436 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:59,787 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:03:00,109 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:03:01,235 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:03:01,550 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:01,966 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:02,553 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:03:02,883 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:03:03,215 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:03:03,656 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:03:04,060 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:03:04,370 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:03:06,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:03:06,364 INFO L93 Difference]: Finished difference Result 1043 states and 1462 transitions. [2020-09-25 03:03:06,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-09-25 03:03:06,365 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 227 [2020-09-25 03:03:06,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:03:06,376 INFO L225 Difference]: With dead ends: 1043 [2020-09-25 03:03:06,376 INFO L226 Difference]: Without dead ends: 778 [2020-09-25 03:03:06,382 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=314, Invalid=1326, Unknown=0, NotChecked=0, Total=1640 [2020-09-25 03:03:06,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2020-09-25 03:03:06,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 596. [2020-09-25 03:03:06,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-09-25 03:03:06,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 730 transitions. [2020-09-25 03:03:06,554 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 730 transitions. Word has length 227 [2020-09-25 03:03:06,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:03:06,556 INFO L479 AbstractCegarLoop]: Abstraction has 596 states and 730 transitions. [2020-09-25 03:03:06,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-25 03:03:06,556 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 730 transitions. [2020-09-25 03:03:06,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-09-25 03:03:06,561 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:03:06,561 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:03:06,562 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:03:06,562 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:03:06,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:03:06,562 INFO L82 PathProgramCache]: Analyzing trace with hash -2007028779, now seen corresponding path program 1 times [2020-09-25 03:03:06,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:03:06,563 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [926574913] [2020-09-25 03:03:06,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:03:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:06,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:06,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:06,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:07,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:08,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:09,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:11,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:11,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 317 [2020-09-25 03:03:11,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 03:03:11,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-09-25 03:03:11,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:11,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:11,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 03:03:11,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-09-25 03:03:11,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:11,967 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:03:11,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:03:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:12,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:12,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:12,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:03:12,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:12,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-09-25 03:03:12,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:12,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:12,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:12,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 03:03:12,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:12,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:03:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:12,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:12,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:12,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:12,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:12,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:12,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:12,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:12,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:12,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:12,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:12,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:03:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:12,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:12,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:12,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:12,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:12,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:03:12,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:12,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:12,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:12,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:12,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:12,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:03:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:12,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:12,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:12,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:12,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:12,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:03:12,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:12,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:12,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:12,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:03:12,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:12,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:03:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:12,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:12,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:12,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:12,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:12,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:12,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:12,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:12,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:12,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:12,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:12,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-09-25 03:03:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:12,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:12,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:12,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:12,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 03:03:12,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:03:12,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 03:03:12,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:12,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:12,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:12,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-25 03:03:12,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:12,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:03:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:12,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:12,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:12,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 03:03:12,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:12,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:03:12,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:12,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:12,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:12,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:12,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:12,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:03:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:12,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:12,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:12,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:12,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:12,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:12,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:12,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:12,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:12,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:12,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:12,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 03:03:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:12,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:12,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:12,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:12,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-09-25 03:03:12,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:03:12,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 275 [2020-09-25 03:03:12,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:12,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:12,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:12,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-09-25 03:03:12,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:12,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:03:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:12,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:12,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:12,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:12,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 03:03:12,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:03:12,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-09-25 03:03:12,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:12,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:03:12,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 03:03:12,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:03:12,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:12,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:03:12,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:12,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:12,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:12,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 03:03:12,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:12,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 03:03:12,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:12,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:03:12,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 03:03:12,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:03:12,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:12,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:03:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:12,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:13,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:13,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:03:13,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:13,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 03:03:13,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:13,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:03:13,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 03:03:13,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:03:13,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:13,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:03:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:13,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:13,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:13,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:03:13,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:13,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:03:13,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:13,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:03:13,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:13,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:03:13,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:13,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:03:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:13,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:13,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:13,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 03:03:13,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:13,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 03:03:13,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:13,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:13,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 03:03:13,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:13,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:13,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:03:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:13,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:13,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:13,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:03:13,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:13,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:13,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:13,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:13,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:13,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:13,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:13,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:03:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:13,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:13,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:13,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:13,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:13,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:13,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:13,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:13,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:13,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:13,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:13,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 03:03:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:13,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:13,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:13,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:03:13,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:13,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:13,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:13,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:13,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:13,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:13,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:13,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-09-25 03:03:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:13,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:13,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:13,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 03:03:13,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:13,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:03:13,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:13,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:13,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:13,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:13,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:13,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:03:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:13,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:13,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:13,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:13,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:13,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:13,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:13,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:13,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:13,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:13,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:13,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-09-25 03:03:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:13,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:13,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:13,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:03:13,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:13,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:03:13,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:13,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:13,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:13,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:03:13,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:13,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-25 03:03:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:13,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:13,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:13,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:13,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:13,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:13,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:13,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:13,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:03:13,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:13,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:13,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-25 03:03:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:13,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:13,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:13,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:13,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:13,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:13,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:13,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:13,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:03:13,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:13,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:13,312 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-09-25 03:03:13,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [926574913] [2020-09-25 03:03:13,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 03:03:13,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-25 03:03:13,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545069376] [2020-09-25 03:03:13,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 03:03:13,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:03:13,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 03:03:13,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-09-25 03:03:13,315 INFO L87 Difference]: Start difference. First operand 596 states and 730 transitions. Second operand 11 states. [2020-09-25 03:03:13,810 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:03:14,770 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:15,069 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:03:15,394 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:15,721 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:03:16,032 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:17,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:03:17,583 INFO L93 Difference]: Finished difference Result 1213 states and 1667 transitions. [2020-09-25 03:03:17,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 03:03:17,584 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 256 [2020-09-25 03:03:17,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:03:17,596 INFO L225 Difference]: With dead ends: 1213 [2020-09-25 03:03:17,596 INFO L226 Difference]: Without dead ends: 727 [2020-09-25 03:03:17,600 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2020-09-25 03:03:17,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2020-09-25 03:03:17,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 563. [2020-09-25 03:03:17,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-09-25 03:03:17,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 681 transitions. [2020-09-25 03:03:17,691 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 681 transitions. Word has length 256 [2020-09-25 03:03:17,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:03:17,692 INFO L479 AbstractCegarLoop]: Abstraction has 563 states and 681 transitions. [2020-09-25 03:03:17,692 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 03:03:17,692 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 681 transitions. [2020-09-25 03:03:17,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-09-25 03:03:17,698 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:03:17,699 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:03:17,699 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:03:17,699 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:03:17,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:03:17,700 INFO L82 PathProgramCache]: Analyzing trace with hash -1420433022, now seen corresponding path program 1 times [2020-09-25 03:03:17,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:03:17,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [397916744] [2020-09-25 03:03:17,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:03:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:17,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:18,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking...