/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --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_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:45:56,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:45:56,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:45:56,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:45:56,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:45:56,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:45:56,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:45:56,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:45:56,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:45:56,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:45:56,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:45:56,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:45:56,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:45:56,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:45:56,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:45:56,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:45:56,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:45:56,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:45:56,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:45:56,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:45:56,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:45:56,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:45:56,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:45:56,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:45:56,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:45:56,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:45:56,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:45:56,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:45:56,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:45:56,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:45:56,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:45:56,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:45:56,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:45:56,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:45:56,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:45:56,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:45:56,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:45:56,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:45:56,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:45:56,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:45:56,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:45:56,771 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 08:45:56,823 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:45:56,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:45:56,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:45:56,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:45:56,825 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:45:56,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:45:56,826 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:45:56,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:45:56,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:45:56,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:45:56,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:45:56,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:45:56,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:45:56,828 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:45:56,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:45:56,828 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:45:56,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:45:56,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:45:56,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:45:56,829 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:45:56,829 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:45:56,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:45:56,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:45:56,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:45:56,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:45:56,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:45:56,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:45:56,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:45:56,832 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:45:56,832 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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;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=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-09-25 08:45:57,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:45:57,314 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:45:57,319 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:45:57,321 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:45:57,321 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:45:57,323 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c [2020-09-25 08:45:57,423 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/05bb223fa/25759f97c2c24ccb9b37e2d8934163c0/FLAG9136b54dc [2020-09-25 08:45:58,014 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:45:58,015 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c [2020-09-25 08:45:58,031 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/05bb223fa/25759f97c2c24ccb9b37e2d8934163c0/FLAG9136b54dc [2020-09-25 08:45:58,326 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/05bb223fa/25759f97c2c24ccb9b37e2d8934163c0 [2020-09-25 08:45:58,340 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:45:58,347 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:45:58,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:45:58,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:45:58,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:45:58,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:45:58" (1/1) ... [2020-09-25 08:45:58,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f1c8c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:58, skipping insertion in model container [2020-09-25 08:45:58,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:45:58" (1/1) ... [2020-09-25 08:45:58,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:45:58,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:45:58,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:45:58,946 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:45:59,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:45:59,124 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:45:59,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:59 WrapperNode [2020-09-25 08:45:59,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:45:59,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:45:59,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:45:59,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:45:59,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:59" (1/1) ... [2020-09-25 08:45:59,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:59" (1/1) ... [2020-09-25 08:45:59,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:59" (1/1) ... [2020-09-25 08:45:59,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:59" (1/1) ... [2020-09-25 08:45:59,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:59" (1/1) ... [2020-09-25 08:45:59,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:59" (1/1) ... [2020-09-25 08:45:59,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:59" (1/1) ... [2020-09-25 08:45:59,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:45:59,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:45:59,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:45:59,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:45:59,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:59" (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 08:45:59,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:45:59,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:45:59,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 08:45:59,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 08:45:59,343 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 08:45:59,343 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 08:45:59,343 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 08:45:59,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 08:45:59,345 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 08:45:59,345 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 08:45:59,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 08:45:59,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 08:45:59,346 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 08:45:59,346 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 08:45:59,346 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 08:45:59,347 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 08:45:59,347 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:45:59,348 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 08:45:59,348 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 08:45:59,348 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 08:45:59,349 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 08:45:59,350 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 08:45:59,350 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 08:45:59,350 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 08:45:59,351 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 08:45:59,351 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 08:45:59,351 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 08:45:59,351 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 08:45:59,352 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 08:45:59,352 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 08:45:59,352 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 08:45:59,352 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 08:45:59,352 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 08:45:59,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 08:45:59,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 08:45:59,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 08:45:59,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 08:45:59,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 08:45:59,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 08:45:59,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 08:45:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:45:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:45:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 08:45:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 08:45:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 08:45:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 08:45:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 08:45:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 08:45:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 08:45:59,356 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 08:45:59,356 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 08:45:59,356 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 08:45:59,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:45:59,357 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 08:45:59,357 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 08:45:59,357 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 08:45:59,357 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 08:45:59,357 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 08:45:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 08:45:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 08:45:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 08:45:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 08:45:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 08:45:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:45:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 08:45:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 08:45:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 08:45:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 08:45:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 08:45:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 08:45:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 08:45:59,362 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 08:45:59,362 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 08:45:59,362 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 08:45:59,363 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 08:45:59,363 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 08:45:59,363 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:45:59,363 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:45:59,363 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 08:45:59,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:45:59,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:45:59,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:45:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:45:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 08:45:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:45:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 08:45:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 08:45:59,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:45:59,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 08:45:59,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 08:45:59,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 08:45:59,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:45:59,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:45:59,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:46:00,620 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:46:00,621 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 08:46:00,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:46:00 BoogieIcfgContainer [2020-09-25 08:46:00,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:46:00,631 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:46:00,631 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:46:00,635 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:46:00,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:45:58" (1/3) ... [2020-09-25 08:46:00,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f3f793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:46:00, skipping insertion in model container [2020-09-25 08:46:00,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:59" (2/3) ... [2020-09-25 08:46:00,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f3f793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:46:00, skipping insertion in model container [2020-09-25 08:46:00,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:46:00" (3/3) ... [2020-09-25 08:46:00,640 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product49.cil.c [2020-09-25 08:46:00,654 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:46:00,667 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:46:00,694 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:46:00,744 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:46:00,745 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:46:00,745 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:46:00,745 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:46:00,745 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:46:00,745 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:46:00,745 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:46:00,746 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:46:00,791 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2020-09-25 08:46:00,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 08:46:00,830 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:46:00,832 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 08:46:00,833 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:46:00,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:46:00,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1194640378, now seen corresponding path program 1 times [2020-09-25 08:46:00,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:46:00,857 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [762183720] [2020-09-25 08:46:00,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:46:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:01,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:01,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:02,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:03,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:03,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:06,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:06,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 08:46:06,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:46:06,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-09-25 08:46:06,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:06,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:06,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:46:06,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 08:46:06,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-25 08:46:06,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 14 [2020-09-25 08:46:06,788 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:46:06,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:46:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:06,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:07,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:07,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:46:07,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:07,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 284 [2020-09-25 08:46:07,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:07,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:07,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:46:07,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:07,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 08:46:07,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:07,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:46:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:07,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:07,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:07,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:46:07,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:07,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:46:07,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:07,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:07,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:46:07,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:07,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:46:07,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:07,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:46:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:07,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:07,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:07,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:46:07,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:07,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:46:07,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:07,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:07,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:46:07,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:07,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:46:07,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:07,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:46:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:07,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:07,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:07,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:46:07,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:07,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 08:46:07,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:07,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:07,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:46:07,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:07,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:46:07,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:07,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:46:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:07,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:07,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:07,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:46:07,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:07,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:46:07,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:07,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:07,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:46:07,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:07,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:46:07,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:07,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 08:46:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:07,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:07,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:07,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:46:07,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:07,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:46:07,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:07,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:07,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:07,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:46:07,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:07,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:07,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:46:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:07,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:07,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:07,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:46:07,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:07,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:46:07,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:07,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:07,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:07,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:46:07,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:07,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:07,317 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 08:46:07,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [762183720] [2020-09-25 08:46:07,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:46:07,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:46:07,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565048435] [2020-09-25 08:46:07,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:46:07,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:46:07,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:46:07,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:46:07,360 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 4 states. [2020-09-25 08:46:08,122 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:46:09,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:46:09,285 INFO L93 Difference]: Finished difference Result 489 states and 580 transitions. [2020-09-25 08:46:09,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 08:46:09,287 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-09-25 08:46:09,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:46:09,308 INFO L225 Difference]: With dead ends: 489 [2020-09-25 08:46:09,309 INFO L226 Difference]: Without dead ends: 302 [2020-09-25 08:46:09,315 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:46:09,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-09-25 08:46:09,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 261. [2020-09-25 08:46:09,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-09-25 08:46:09,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 282 transitions. [2020-09-25 08:46:09,451 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 282 transitions. Word has length 142 [2020-09-25 08:46:09,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:46:09,453 INFO L479 AbstractCegarLoop]: Abstraction has 261 states and 282 transitions. [2020-09-25 08:46:09,453 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:46:09,453 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 282 transitions. [2020-09-25 08:46:09,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-09-25 08:46:09,463 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:46:09,464 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] [2020-09-25 08:46:09,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:46:09,465 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:46:09,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:46:09,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1452522798, now seen corresponding path program 1 times [2020-09-25 08:46:09,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:46:09,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1800103236] [2020-09-25 08:46:09,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:46:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:09,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:09,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:10,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:11,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:12,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:12,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:13,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:14,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:14,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 08:46:14,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 08:46:14,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5054 [2020-09-25 08:46:14,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:14,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:14,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 08:46:14,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-09-25 08:46:14,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 08:46:14,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:14,953 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:46:14,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:46:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:14,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:15,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:15,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:46:15,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:15,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 08:46:15,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:15,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:15,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:15,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:15,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:15,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:15,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:46:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:15,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:15,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:15,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:46:15,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:15,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:46:15,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:15,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:15,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:15,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:15,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:15,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:15,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:46:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:15,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:15,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:15,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:46:15,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:15,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:46:15,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:15,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:15,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:15,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:15,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:15,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:15,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:46:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:15,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:15,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:15,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:46:15,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:15,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:46:15,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:15,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:15,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:15,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:15,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:15,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:15,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:46:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:15,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:15,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:15,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:46:15,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:15,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:46:15,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:15,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:15,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:15,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:15,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:15,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:15,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 08:46:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:15,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:15,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:15,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:15,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 08:46:15,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:46:15,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 08:46:15,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:15,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:15,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:46:15,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 08:46:15,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 08:46:15,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:15,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:46:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:15,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:15,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:15,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 08:46:15,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:15,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:46:15,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:15,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:15,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:46:15,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 08:46:15,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 08:46:15,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:15,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:46:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:15,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:15,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:15,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:46:15,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:15,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:46:15,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:15,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:15,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:46:15,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:15,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:46:15,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:15,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-25 08:46:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:15,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:15,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:15,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:46:15,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:15,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:46:15,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:15,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:15,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:46:15,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:15,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:46:15,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:15,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 08:46:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:15,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:15,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:15,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:46:15,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:15,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:46:15,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:15,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:15,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:46:15,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:15,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:46:15,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:15,301 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 08:46:15,302 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1800103236] [2020-09-25 08:46:15,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:46:15,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 08:46:15,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26964608] [2020-09-25 08:46:15,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 08:46:15,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:46:15,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 08:46:15,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:46:15,306 INFO L87 Difference]: Start difference. First operand 261 states and 282 transitions. Second operand 10 states. [2020-09-25 08:46:15,763 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:46:17,658 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 189 [2020-09-25 08:46:17,992 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 08:46:18,660 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2020-09-25 08:46:19,013 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-25 08:46:19,365 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:46:19,706 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:46:20,036 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:46:20,655 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 187 [2020-09-25 08:46:20,967 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:46:22,454 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 196 [2020-09-25 08:46:23,148 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 189 [2020-09-25 08:46:24,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:46:24,803 INFO L93 Difference]: Finished difference Result 685 states and 855 transitions. [2020-09-25 08:46:24,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-25 08:46:24,805 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 165 [2020-09-25 08:46:24,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:46:24,813 INFO L225 Difference]: With dead ends: 685 [2020-09-25 08:46:24,813 INFO L226 Difference]: Without dead ends: 534 [2020-09-25 08:46:24,817 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=153, Invalid=603, Unknown=0, NotChecked=0, Total=756 [2020-09-25 08:46:24,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2020-09-25 08:46:24,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 384. [2020-09-25 08:46:24,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2020-09-25 08:46:24,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 426 transitions. [2020-09-25 08:46:24,904 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 426 transitions. Word has length 165 [2020-09-25 08:46:24,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:46:24,905 INFO L479 AbstractCegarLoop]: Abstraction has 384 states and 426 transitions. [2020-09-25 08:46:24,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 08:46:24,906 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 426 transitions. [2020-09-25 08:46:24,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-09-25 08:46:24,909 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:46:24,909 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] [2020-09-25 08:46:24,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:46:24,910 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:46:24,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:46:24,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1791967861, now seen corresponding path program 1 times [2020-09-25 08:46:24,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:46:24,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [560649987] [2020-09-25 08:46:24,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:46:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:25,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:25,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:29,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:29,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-09-25 08:46:29,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:46:29,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-25 08:46:29,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:29,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:29,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:46:29,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-09-25 08:46:29,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:46:29,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:30,232 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:46:30,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:46:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:30,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:30,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:30,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:46:30,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:30,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-25 08:46:30,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:30,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:30,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:30,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:30,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:30,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:30,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:46:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:30,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:30,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:30,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:46:30,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:30,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:46:30,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:30,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:30,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:30,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:30,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:30,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:30,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:46:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:30,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:30,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:30,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:46:30,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:30,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:46:30,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:30,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:30,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:30,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:30,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:30,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:30,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:46:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:30,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:30,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:30,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:46:30,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:30,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:46:30,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:30,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:30,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:30,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:30,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:30,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:30,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:46:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:30,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:30,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:30,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:46:30,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:30,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:46:30,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:30,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:30,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:30,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:30,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:30,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:30,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 08:46:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:30,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:30,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:30,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 08:46:30,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:30,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-25 08:46:30,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:30,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:30,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:46:30,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 08:46:30,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:46:30,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:30,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:46:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:30,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:30,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:30,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 08:46:30,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:30,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-25 08:46:30,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:30,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:30,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:46:30,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 08:46:30,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:46:30,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:30,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:46:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:30,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:30,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:30,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:46:30,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:30,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 08:46:30,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:30,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:30,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:46:30,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:30,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 08:46:30,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:30,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:46:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:30,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:30,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:30,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:46:30,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:30,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:46:30,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:30,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:30,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:30,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:30,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:30,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:30,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 08:46:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:30,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:30,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:30,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:46:30,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:30,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:46:30,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:30,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:30,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:30,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 08:46:30,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:30,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:30,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-09-25 08:46:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:30,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:30,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:30,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:46:30,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:30,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:46:30,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:30,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:30,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:30,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:46:30,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:30,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:30,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-25 08:46:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:30,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:30,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:30,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:46:30,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:30,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:46:30,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:30,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:30,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:30,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:46:30,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:30,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:30,781 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 08:46:30,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [560649987] [2020-09-25 08:46:30,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:46:30,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 08:46:30,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299506936] [2020-09-25 08:46:30,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 08:46:30,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:46:30,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 08:46:30,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 08:46:30,784 INFO L87 Difference]: Start difference. First operand 384 states and 426 transitions. Second operand 9 states. [2020-09-25 08:46:32,124 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:46:32,443 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:46:32,775 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 08:46:33,085 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:46:33,401 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:46:33,709 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:46:35,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:46:35,042 INFO L93 Difference]: Finished difference Result 733 states and 860 transitions. [2020-09-25 08:46:35,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 08:46:35,042 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 190 [2020-09-25 08:46:35,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:46:35,050 INFO L225 Difference]: With dead ends: 733 [2020-09-25 08:46:35,050 INFO L226 Difference]: Without dead ends: 459 [2020-09-25 08:46:35,054 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 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 08:46:35,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2020-09-25 08:46:35,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 392. [2020-09-25 08:46:35,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2020-09-25 08:46:35,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 434 transitions. [2020-09-25 08:46:35,121 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 434 transitions. Word has length 190 [2020-09-25 08:46:35,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:46:35,122 INFO L479 AbstractCegarLoop]: Abstraction has 392 states and 434 transitions. [2020-09-25 08:46:35,122 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 08:46:35,122 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 434 transitions. [2020-09-25 08:46:35,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-09-25 08:46:35,124 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:46:35,125 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] [2020-09-25 08:46:35,125 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:46:35,125 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:46:35,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:46:35,126 INFO L82 PathProgramCache]: Analyzing trace with hash -330496002, now seen corresponding path program 1 times [2020-09-25 08:46:35,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:46:35,126 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [369741001] [2020-09-25 08:46:35,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:46:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:35,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:35,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:36,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:40,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:40,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-09-25 08:46:40,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:46:40,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-09-25 08:46:40,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:40,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:40,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:46:40,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 08:46:40,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:46:40,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:40,532 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:46:40,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:46:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:40,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:40,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:40,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:46:40,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:40,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-25 08:46:40,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:40,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:40,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:40,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:40,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:40,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:46:40,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:46:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:40,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:40,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:40,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:46:40,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:40,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:46:40,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:40,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:40,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:40,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:40,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:40,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:40,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:46:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:40,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:40,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:40,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:46:40,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:40,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:46:40,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:40,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:40,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:40,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:40,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:40,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:40,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:46:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:40,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:40,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:40,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:46:40,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:40,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:46:40,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:40,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:40,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:40,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:40,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:40,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:40,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:46:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:40,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:40,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:40,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:46:40,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:40,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:46:40,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:40,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:40,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:40,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:40,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:40,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:40,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 08:46:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:40,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:40,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:40,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:40,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 08:46:40,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:46:40,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-25 08:46:40,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:40,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:40,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:40,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-25 08:46:40,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:40,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:40,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:46:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:40,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:40,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:40,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:40,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 08:46:40,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:46:40,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 08:46:40,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:40,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:40,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:40,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:40,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:40,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:46:40,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:46:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:40,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:40,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:41,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:41,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:46:41,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:46:41,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-25 08:46:41,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:41,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:41,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:41,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:41,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:41,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:46:41,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:46:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:41,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:41,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:41,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:46:41,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:41,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:46:41,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:41,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:41,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:41,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:41,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:41,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:46:41,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 08:46:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:41,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:41,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:41,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:46:41,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:41,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:46:41,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:41,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:41,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:41,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:46:41,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:41,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:46:41,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-25 08:46:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:41,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:41,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:41,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:46:41,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:41,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:46:41,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:41,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:41,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:41,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:46:41,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:41,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:41,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-25 08:46:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:41,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:41,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:46:41,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:46:41,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:46:41,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:46:41,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:46:41,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:46:41,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:46:41,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:46:41,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:46:41,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:46:41,157 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 08:46:41,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [369741001] [2020-09-25 08:46:41,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:46:41,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 08:46:41,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357641807] [2020-09-25 08:46:41,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 08:46:41,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:46:41,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 08:46:41,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:46:41,161 INFO L87 Difference]: Start difference. First operand 392 states and 434 transitions. Second operand 5 states. [2020-09-25 08:46:41,812 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:46:43,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:46:43,027 INFO L93 Difference]: Finished difference Result 640 states and 713 transitions. [2020-09-25 08:46:43,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 08:46:43,027 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 181 [2020-09-25 08:46:43,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:46:43,030 INFO L225 Difference]: With dead ends: 640 [2020-09-25 08:46:43,031 INFO L226 Difference]: Without dead ends: 418 [2020-09-25 08:46:43,032 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:46:43,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2020-09-25 08:46:43,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 365. [2020-09-25 08:46:43,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2020-09-25 08:46:43,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 391 transitions. [2020-09-25 08:46:43,084 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 391 transitions. Word has length 181 [2020-09-25 08:46:43,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:46:43,084 INFO L479 AbstractCegarLoop]: Abstraction has 365 states and 391 transitions. [2020-09-25 08:46:43,085 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 08:46:43,085 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 391 transitions. [2020-09-25 08:46:43,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-09-25 08:46:43,088 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:46:43,088 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] [2020-09-25 08:46:43,088 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:46:43,089 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:46:43,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:46:43,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1529129259, now seen corresponding path program 1 times [2020-09-25 08:46:43,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:46:43,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1479059008] [2020-09-25 08:46:43,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:46:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:46:43,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:46:43,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking...