/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=DEEPEST --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_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 00:46:42,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:46:42,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:46:42,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:46:42,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:46:42,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:46:42,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:46:42,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:46:42,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:46:42,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:46:42,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:46:42,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:46:42,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:46:42,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:46:42,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:46:42,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:46:42,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:46:42,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:46:42,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:46:42,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:46:42,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:46:42,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:46:42,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:46:42,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:46:42,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:46:42,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:46:42,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:46:42,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:46:42,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:46:42,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:46:42,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:46:42,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:46:42,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:46:42,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:46:42,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:46:42,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:46:42,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:46:42,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:46:42,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:46:42,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:46:42,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:46:42,760 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 00:46:42,788 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:46:42,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:46:42,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:46:42,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:46:42,790 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:46:42,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:46:42,790 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:46:42,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:46:42,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:46:42,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:46:42,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:46:42,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:46:42,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:46:42,792 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:46:42,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:46:42,792 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:46:42,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:46:42,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:46:42,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:46:42,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:46:42,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:46:42,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:46:42,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:46:42,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:46:42,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:46:42,794 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:46:42,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:46:42,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:46:42,795 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:46:42,795 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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;log-additional-information=true; [2020-09-25 00:46:43,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:46:43,327 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:46:43,331 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:46:43,333 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:46:43,335 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:46:43,336 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c [2020-09-25 00:46:43,416 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ac7475c99/0b01a5c45bff4cc582fe9d79723dd4da/FLAG5487ae00f [2020-09-25 00:46:44,044 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:46:44,045 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c [2020-09-25 00:46:44,061 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ac7475c99/0b01a5c45bff4cc582fe9d79723dd4da/FLAG5487ae00f [2020-09-25 00:46:44,321 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ac7475c99/0b01a5c45bff4cc582fe9d79723dd4da [2020-09-25 00:46:44,333 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:46:44,338 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:46:44,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:46:44,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:46:44,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:46:44,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:46:44" (1/1) ... [2020-09-25 00:46:44,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a68717a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:46:44, skipping insertion in model container [2020-09-25 00:46:44,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:46:44" (1/1) ... [2020-09-25 00:46:44,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:46:44,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:46:44,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:46:45,010 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:46:45,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:46:45,132 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:46:45,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:46:45 WrapperNode [2020-09-25 00:46:45,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:46:45,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:46:45,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:46:45,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:46:45,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:46:45" (1/1) ... [2020-09-25 00:46:45,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:46:45" (1/1) ... [2020-09-25 00:46:45,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:46:45" (1/1) ... [2020-09-25 00:46:45,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:46:45" (1/1) ... [2020-09-25 00:46:45,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:46:45" (1/1) ... [2020-09-25 00:46:45,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:46:45" (1/1) ... [2020-09-25 00:46:45,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:46:45" (1/1) ... [2020-09-25 00:46:45,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:46:45,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:46:45,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:46:45,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:46:45,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:46:45" (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 00:46:45,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:46:45,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:46:45,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 00:46:45,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 00:46:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 00:46:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 00:46:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 00:46:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 00:46:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 00:46:45,335 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 00:46:45,335 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 00:46:45,335 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 00:46:45,335 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 00:46:45,335 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:46:45,336 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 00:46:45,336 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 00:46:45,336 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 00:46:45,336 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 00:46:45,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 00:46:45,337 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 00:46:45,337 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 00:46:45,337 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 00:46:45,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 00:46:45,338 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 00:46:45,338 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 00:46:45,339 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 00:46:45,339 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 00:46:45,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 00:46:45,339 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 00:46:45,340 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 00:46:45,340 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 00:46:45,340 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 00:46:45,340 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 00:46:45,340 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 00:46:45,340 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 00:46:45,341 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 00:46:45,341 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 00:46:45,341 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 00:46:45,341 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 00:46:45,341 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 00:46:45,343 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 00:46:45,344 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 00:46:45,344 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 00:46:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:46:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:46:45,346 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 00:46:45,346 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 00:46:45,346 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:46:45,346 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 00:46:45,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 00:46:45,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:46:45,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 00:46:45,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:46:45,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 00:46:45,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 00:46:45,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:46:45,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 00:46:45,349 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 00:46:45,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:46:45,349 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 00:46:45,349 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 00:46:45,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:46:45,349 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 00:46:45,350 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 00:46:45,350 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 00:46:45,350 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 00:46:45,350 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 00:46:45,350 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 00:46:45,350 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 00:46:45,350 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 00:46:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 00:46:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 00:46:45,353 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 00:46:45,353 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 00:46:45,354 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 00:46:45,354 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:46:45,354 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 00:46:45,354 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 00:46:45,354 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 00:46:45,355 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 00:46:45,355 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 00:46:45,355 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 00:46:45,356 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 00:46:45,356 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 00:46:45,356 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 00:46:45,356 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 00:46:45,356 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 00:46:45,356 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 00:46:45,356 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 00:46:45,357 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 00:46:45,357 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 00:46:45,357 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 00:46:45,357 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 00:46:45,357 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 00:46:45,357 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 00:46:45,358 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 00:46:45,358 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 00:46:45,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:46:45,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 00:46:45,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:46:46,616 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:46:46,616 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 00:46:46,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:46:46 BoogieIcfgContainer [2020-09-25 00:46:46,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:46:46,626 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:46:46,626 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:46:46,630 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:46:46,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:46:44" (1/3) ... [2020-09-25 00:46:46,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d99dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:46:46, skipping insertion in model container [2020-09-25 00:46:46,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:46:45" (2/3) ... [2020-09-25 00:46:46,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d99dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:46:46, skipping insertion in model container [2020-09-25 00:46:46,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:46:46" (3/3) ... [2020-09-25 00:46:46,634 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product63.cil.c [2020-09-25 00:46:46,647 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:46:46,659 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:46:46,683 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:46:46,719 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:46:46,720 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:46:46,720 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:46:46,720 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:46:46,720 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:46:46,720 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:46:46,720 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:46:46,721 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:46:46,752 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states. [2020-09-25 00:46:46,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 00:46:46,772 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:46:46,774 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 00:46:46,774 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:46:46,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:46:46,783 INFO L82 PathProgramCache]: Analyzing trace with hash 678471582, now seen corresponding path program 1 times [2020-09-25 00:46:46,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:46:46,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1704079095] [2020-09-25 00:46:46,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:46:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:47,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:47,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:48,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:49,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:52,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:52,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 00:46:52,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 00:46:52,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-25 00:46:52,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:52,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:46:52,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-09-25 00:46:52,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 00:46:52,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 00:46:52,705 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:46:52,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:46:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:52,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:52,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:52,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:46:52,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:52,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-25 00:46:52,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:52,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:52,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:52,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:52,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:52,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:46:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:52,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:52,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:52,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:46:52,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:52,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:46:52,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:52,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:52,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:52,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:52,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:52,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:46:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:52,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:52,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:52,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:46:52,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:52,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:46:52,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:52,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:52,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:52,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:52,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:52,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:46:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:52,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:52,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:52,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:52,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:52,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:46:52,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:52,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:52,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:52,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:52,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:52,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:46:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:52,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:52,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:52,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:46:52,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:52,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:46:52,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:52,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:46:52,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:52,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:46:52,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:52,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 00:46:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:52,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:52,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:52,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:52,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:52,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:46:52,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:52,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:46:52,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:52,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:46:52,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:52,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 00:46:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:52,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:52,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:46:52,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:46:52,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:46:52,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 00:46:52,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:46:52,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:46:52,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:46:52,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:46:52,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:46:53,016 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 00:46:53,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1704079095] [2020-09-25 00:46:53,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:46:53,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 00:46:53,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811865617] [2020-09-25 00:46:53,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 00:46:53,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:46:53,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 00:46:53,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 00:46:53,051 INFO L87 Difference]: Start difference. First operand 352 states. Second operand 8 states. [2020-09-25 00:46:53,675 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 00:46:54,913 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:46:55,204 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:46:55,541 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:46:55,948 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:46:56,274 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:46:57,302 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 00:46:57,629 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:46:58,025 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:46:59,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:46:59,593 INFO L93 Difference]: Finished difference Result 707 states and 877 transitions. [2020-09-25 00:46:59,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 00:46:59,596 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 00:46:59,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:46:59,619 INFO L225 Difference]: With dead ends: 707 [2020-09-25 00:46:59,619 INFO L226 Difference]: Without dead ends: 466 [2020-09-25 00:46:59,626 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-25 00:46:59,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-09-25 00:46:59,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 422. [2020-09-25 00:46:59,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2020-09-25 00:46:59,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 483 transitions. [2020-09-25 00:46:59,768 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 483 transitions. Word has length 142 [2020-09-25 00:46:59,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:46:59,770 INFO L479 AbstractCegarLoop]: Abstraction has 422 states and 483 transitions. [2020-09-25 00:46:59,770 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 00:46:59,770 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 483 transitions. [2020-09-25 00:46:59,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-25 00:46:59,775 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:46:59,776 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:46:59,776 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:46:59,776 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:46:59,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:46:59,777 INFO L82 PathProgramCache]: Analyzing trace with hash 339668076, now seen corresponding path program 1 times [2020-09-25 00:46:59,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:46:59,778 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1487847959] [2020-09-25 00:46:59,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:46:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:46:59,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:46:59,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:01,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:04,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:04,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-09-25 00:47:04,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 00:47:04,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049 [2020-09-25 00:47:04,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:04,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:47:04,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-09-25 00:47:04,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:47:04,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:05,188 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:47:05,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:47:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:05,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:05,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:05,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:47:05,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:05,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-25 00:47:05,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:05,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:05,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:05,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:05,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:05,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:47:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:05,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:05,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:05,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:47:05,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:05,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:47:05,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:05,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:05,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:05,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:05,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:05,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:47:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:05,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:05,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:05,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:47:05,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:05,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:47:05,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:05,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:05,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:05,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:05,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:05,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:47:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:05,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:05,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:05,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:47:05,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:05,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:47:05,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:05,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:05,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:05,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:05,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:05,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:47:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:05,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:05,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:05,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:47:05,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:05,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:47:05,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:05,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:05,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:05,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:05,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:05,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 00:47:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:05,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:05,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:05,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:47:05,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:05,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-25 00:47:05,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:05,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:47:05,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:47:05,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:47:05,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:05,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:47:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:05,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:05,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:05,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 00:47:05,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:05,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-25 00:47:05,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:05,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:47:05,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 00:47:05,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:47:05,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:05,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:47:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:05,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:05,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:05,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:47:05,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:05,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-25 00:47:05,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:05,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:47:05,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 00:47:05,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:47:05,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:05,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:47:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:05,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:05,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:05,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:47:05,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:05,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 00:47:05,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:05,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:47:05,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:05,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 00:47:05,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 00:47:05,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:47:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:05,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:05,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:05,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:47:05,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:05,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:47:05,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:05,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:05,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:05,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:05,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:05,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:47:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:05,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:05,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:05,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:47:05,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:05,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 00:47:05,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:05,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:05,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:47:05,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:05,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:05,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:47:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:05,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:05,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:05,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:47:05,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:05,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:47:05,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:05,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:05,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:05,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:05,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:05,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:47:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:05,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:05,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:05,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:47:05,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:05,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:47:05,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:05,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:05,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:05,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:05,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:05,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:47:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:05,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:05,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:05,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:47:05,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:05,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:47:05,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:05,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:05,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:05,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:05,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:05,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 00:47:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:05,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:05,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:05,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:47:05,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:05,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:47:05,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:05,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:05,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:47:05,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:05,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:05,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-09-25 00:47:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:05,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:05,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:05,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:47:05,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:05,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:47:05,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:05,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:05,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:47:05,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:05,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:05,985 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 00:47:05,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1487847959] [2020-09-25 00:47:05,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:47:05,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 00:47:05,986 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679836985] [2020-09-25 00:47:05,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 00:47:05,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:47:05,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 00:47:05,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 00:47:05,992 INFO L87 Difference]: Start difference. First operand 422 states and 483 transitions. Second operand 9 states. [2020-09-25 00:47:07,670 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:47:07,969 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:47:08,279 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:47:08,595 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:47:08,931 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:47:09,220 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:47:10,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:47:10,581 INFO L93 Difference]: Finished difference Result 827 states and 1038 transitions. [2020-09-25 00:47:10,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 00:47:10,582 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 208 [2020-09-25 00:47:10,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:47:10,589 INFO L225 Difference]: With dead ends: 827 [2020-09-25 00:47:10,589 INFO L226 Difference]: Without dead ends: 515 [2020-09-25 00:47:10,593 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2020-09-25 00:47:10,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2020-09-25 00:47:10,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 433. [2020-09-25 00:47:10,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2020-09-25 00:47:10,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 494 transitions. [2020-09-25 00:47:10,699 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 494 transitions. Word has length 208 [2020-09-25 00:47:10,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:47:10,701 INFO L479 AbstractCegarLoop]: Abstraction has 433 states and 494 transitions. [2020-09-25 00:47:10,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 00:47:10,702 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 494 transitions. [2020-09-25 00:47:10,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-25 00:47:10,709 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:47:10,710 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:47:10,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:47:10,710 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:47:10,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:47:10,711 INFO L82 PathProgramCache]: Analyzing trace with hash -435030004, now seen corresponding path program 1 times [2020-09-25 00:47:10,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:47:10,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1628831908] [2020-09-25 00:47:10,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:47:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:10,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:10,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:11,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:15,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:15,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-09-25 00:47:15,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 00:47:15,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-25 00:47:15,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:15,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:47:15,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 167 [2020-09-25 00:47:15,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:47:15,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:16,092 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:47:16,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:47:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:16,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:16,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:16,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:47:16,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:16,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 00:47:16,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:16,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:16,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:16,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:16,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:16,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:47:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:16,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:16,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:16,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:47:16,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:16,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:47:16,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:16,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:16,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:16,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:16,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:16,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:47:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:16,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:16,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:16,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:47:16,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:16,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:47:16,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:16,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:16,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:16,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:16,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:16,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:47:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:16,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:16,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:16,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:47:16,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:16,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:47:16,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:16,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:16,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:16,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:16,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:16,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:47:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:16,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:16,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:16,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:47:16,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:16,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:47:16,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:16,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:16,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:16,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:16,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:16,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 00:47:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:16,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:16,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:16,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:47:16,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:16,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-25 00:47:16,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:16,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:47:16,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 00:47:16,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:47:16,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:16,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:47:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:16,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:16,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:16,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 00:47:16,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:16,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-25 00:47:16,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:16,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:47:16,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 00:47:16,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:47:16,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:16,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:47:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:16,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:16,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:16,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:47:16,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:16,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-25 00:47:16,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:16,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:47:16,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 00:47:16,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:47:16,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:16,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:47:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:16,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:16,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:16,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:47:16,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:16,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 00:47:16,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:16,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:47:16,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 00:47:16,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:47:16,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:16,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:47:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:16,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:16,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:16,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:47:16,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:16,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 00:47:16,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:16,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 00:47:16,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:16,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:47:16,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:16,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:47:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:16,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:16,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:16,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:47:16,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:16,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 00:47:16,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:16,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:16,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:47:16,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:16,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:16,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:47:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:16,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:16,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:16,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:47:16,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:16,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:47:16,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:16,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:16,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:16,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:16,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:16,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:47:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:16,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:16,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:16,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:47:16,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:16,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:47:16,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:16,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:16,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:16,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:16,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:16,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:47:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:16,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:16,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:16,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:47:16,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:16,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:47:16,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:16,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:16,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:16,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:16,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:16,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 00:47:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:16,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:16,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:16,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:47:16,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:16,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:47:16,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:16,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:16,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:47:16,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:16,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:16,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-09-25 00:47:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:16,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:16,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:16,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:47:16,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:16,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:47:16,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:16,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:16,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:47:16,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:16,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:16,851 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 00:47:16,851 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1628831908] [2020-09-25 00:47:16,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:47:16,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 00:47:16,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202427341] [2020-09-25 00:47:16,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 00:47:16,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:47:16,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 00:47:16,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 00:47:16,856 INFO L87 Difference]: Start difference. First operand 433 states and 494 transitions. Second operand 8 states. [2020-09-25 00:47:18,485 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:47:18,798 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:47:19,063 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:47:19,401 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:47:19,706 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:47:21,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:47:21,028 INFO L93 Difference]: Finished difference Result 842 states and 1053 transitions. [2020-09-25 00:47:21,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 00:47:21,029 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 208 [2020-09-25 00:47:21,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:47:21,035 INFO L225 Difference]: With dead ends: 842 [2020-09-25 00:47:21,035 INFO L226 Difference]: Without dead ends: 519 [2020-09-25 00:47:21,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-09-25 00:47:21,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2020-09-25 00:47:21,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 439. [2020-09-25 00:47:21,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2020-09-25 00:47:21,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 500 transitions. [2020-09-25 00:47:21,125 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 500 transitions. Word has length 208 [2020-09-25 00:47:21,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:47:21,126 INFO L479 AbstractCegarLoop]: Abstraction has 439 states and 500 transitions. [2020-09-25 00:47:21,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 00:47:21,127 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 500 transitions. [2020-09-25 00:47:21,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-09-25 00:47:21,130 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:47:21,130 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, 1, 1, 1, 1, 1] [2020-09-25 00:47:21,131 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 00:47:21,131 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:47:21,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:47:21,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1685398935, now seen corresponding path program 1 times [2020-09-25 00:47:21,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:47:21,132 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1382889139] [2020-09-25 00:47:21,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:47:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:21,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:21,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:21,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:21,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:26,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:26,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-09-25 00:47:26,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 00:47:26,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-09-25 00:47:26,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:26,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:47:26,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-09-25 00:47:26,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 00:47:26,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:47:26,515 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:47:26,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:47:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:26,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:26,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:26,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:47:26,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:26,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-25 00:47:26,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:26,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:26,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:26,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:26,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:26,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:47:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:26,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:26,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:26,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:47:26,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:26,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:47:26,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:26,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:26,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:26,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:26,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:26,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:47:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:26,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:26,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:26,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:47:26,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:26,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 00:47:26,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:26,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:26,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:26,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:26,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:26,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:47:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:26,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:26,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:26,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:47:26,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:26,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:47:26,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:26,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:26,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:26,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:26,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:26,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:47:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:26,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:26,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:26,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:47:26,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:26,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:47:26,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:26,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:26,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:26,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:26,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:26,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-09-25 00:47:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:26,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:26,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:26,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 00:47:26,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:26,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 00:47:26,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:26,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:47:26,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:26,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 00:47:26,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:26,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:47:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:26,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:26,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:26,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 00:47:26,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:26,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 00:47:26,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:26,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:47:26,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:26,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 00:47:26,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:26,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:47:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:26,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:26,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:26,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:47:26,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:26,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:47:26,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:26,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:26,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:26,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:26,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:26,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-25 00:47:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:26,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:26,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:26,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:47:26,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:26,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 00:47:26,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:26,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:26,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-25 00:47:26,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:26,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:26,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:47:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:26,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:26,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:26,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 00:47:26,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:26,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 00:47:26,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:26,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:26,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:26,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:26,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:26,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:47:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:26,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:26,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:26,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:47:26,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:26,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 00:47:26,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:26,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:26,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:26,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:26,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:26,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:47:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:26,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:26,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:26,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:47:26,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:26,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:47:26,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:26,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:26,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:26,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:26,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:26,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:47:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:26,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:26,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:26,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:47:26,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:26,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:47:26,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:26,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:26,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:26,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:26,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:26,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:47:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:26,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:27,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:27,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:47:27,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:27,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 00:47:27,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:27,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:27,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:27,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:27,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:27,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:47:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:27,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:27,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:27,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:47:27,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:27,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:47:27,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:27,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:27,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:27,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:27,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:27,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:47:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:27,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:27,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:27,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:47:27,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:27,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 00:47:27,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:27,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:27,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:27,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:27,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:27,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:47:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:27,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:27,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:27,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:47:27,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:27,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:47:27,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:27,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:27,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:47:27,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:27,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:27,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-25 00:47:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:27,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:27,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:27,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:47:27,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:27,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:47:27,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:27,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:27,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:47:27,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:27,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:27,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-09-25 00:47:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:27,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:47:27,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:47:27,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:47:27,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:47:27,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:47:27,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:47:27,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:47:27,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:47:27,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:47:27,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:47:27,159 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 00:47:27,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1382889139] [2020-09-25 00:47:27,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 00:47:27,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-25 00:47:27,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632157541] [2020-09-25 00:47:27,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 00:47:27,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:47:27,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 00:47:27,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-25 00:47:27,163 INFO L87 Difference]: Start difference. First operand 439 states and 500 transitions. Second operand 6 states. [2020-09-25 00:47:28,193 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 00:47:30,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:47:30,809 INFO L93 Difference]: Finished difference Result 1129 states and 1437 transitions. [2020-09-25 00:47:30,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 00:47:30,810 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 232 [2020-09-25 00:47:30,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:47:30,817 INFO L225 Difference]: With dead ends: 1129 [2020-09-25 00:47:30,817 INFO L226 Difference]: Without dead ends: 624 [2020-09-25 00:47:30,820 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-09-25 00:47:30,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2020-09-25 00:47:30,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 502. [2020-09-25 00:47:30,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2020-09-25 00:47:30,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 571 transitions. [2020-09-25 00:47:30,897 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 571 transitions. Word has length 232 [2020-09-25 00:47:30,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:47:30,898 INFO L479 AbstractCegarLoop]: Abstraction has 502 states and 571 transitions. [2020-09-25 00:47:30,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 00:47:30,898 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 571 transitions. [2020-09-25 00:47:30,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-25 00:47:30,902 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:47:30,902 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:47:30,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 00:47:30,903 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:47:30,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:47:30,903 INFO L82 PathProgramCache]: Analyzing trace with hash 630397103, now seen corresponding path program 1 times [2020-09-25 00:47:30,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:47:30,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [825095145] [2020-09-25 00:47:30,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:47:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:47:31,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking...