/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=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:19:53,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:19:53,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:19:53,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:19:53,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:19:53,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:19:53,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:19:53,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:19:53,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:19:53,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:19:53,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:19:53,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:19:53,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:19:53,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:19:53,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:19:53,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:19:53,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:19:53,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:19:53,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:19:53,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:19:53,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:19:53,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:19:53,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:19:53,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:19:53,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:19:53,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:19:53,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:19:53,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:19:53,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:19:53,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:19:53,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:19:53,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:19:53,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:19:53,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:19:53,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:19:53,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:19:53,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:19:53,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:19:53,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:19:53,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:19:53,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:19:53,841 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 05:19:53,866 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:19:53,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:19:53,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:19:53,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:19:53,869 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:19:53,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:19:53,869 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:19:53,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:19:53,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:19:53,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:19:53,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:19:53,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:19:53,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:19:53,871 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:19:53,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:19:53,871 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:19:53,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:19:53,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:19:53,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:19:53,872 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:19:53,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:19:53,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:19:53,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:19:53,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:19:53,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:19:53,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:19:53,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:19:53,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:19:53,874 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:19:53,874 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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;log-additional-information=true; [2020-09-25 05:19:54,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:19:54,377 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:19:54,381 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:19:54,383 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:19:54,383 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:19:54,385 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c [2020-09-25 05:19:54,479 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/223e52c33/4450bf0001d148b1b0a5260e0be3e274/FLAG97ea8530a [2020-09-25 05:19:55,072 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:19:55,073 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c [2020-09-25 05:19:55,090 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/223e52c33/4450bf0001d148b1b0a5260e0be3e274/FLAG97ea8530a [2020-09-25 05:19:55,454 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/223e52c33/4450bf0001d148b1b0a5260e0be3e274 [2020-09-25 05:19:55,470 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:19:55,477 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:19:55,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:19:55,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:19:55,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:19:55,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:19:55" (1/1) ... [2020-09-25 05:19:55,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42e65116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:55, skipping insertion in model container [2020-09-25 05:19:55,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:19:55" (1/1) ... [2020-09-25 05:19:55,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:19:55,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:19:56,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:19:56,044 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:19:56,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:19:56,209 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:19:56,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:56 WrapperNode [2020-09-25 05:19:56,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:19:56,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:19:56,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:19:56,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:19:56,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:56" (1/1) ... [2020-09-25 05:19:56,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:56" (1/1) ... [2020-09-25 05:19:56,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:56" (1/1) ... [2020-09-25 05:19:56,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:56" (1/1) ... [2020-09-25 05:19:56,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:56" (1/1) ... [2020-09-25 05:19:56,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:56" (1/1) ... [2020-09-25 05:19:56,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:56" (1/1) ... [2020-09-25 05:19:56,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:19:56,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:19:56,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:19:56,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:19:56,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:56" (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 05:19:56,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:19:56,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:19:56,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 05:19:56,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 05:19:56,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 05:19:56,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 05:19:56,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 05:19:56,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 05:19:56,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 05:19:56,403 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 05:19:56,403 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 05:19:56,403 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 05:19:56,404 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 05:19:56,404 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:19:56,404 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 05:19:56,404 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 05:19:56,405 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 05:19:56,405 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 05:19:56,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 05:19:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 05:19:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 05:19:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 05:19:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 05:19:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 05:19:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 05:19:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 05:19:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 05:19:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 05:19:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 05:19:56,408 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 05:19:56,408 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 05:19:56,408 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 05:19:56,408 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 05:19:56,408 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 05:19:56,408 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 05:19:56,409 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 05:19:56,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 05:19:56,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 05:19:56,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 05:19:56,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 05:19:56,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 05:19:56,409 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 05:19:56,410 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 05:19:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:19:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:19:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 05:19:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 05:19:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:19:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:19:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 05:19:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 05:19:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:19:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:19:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:19:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 05:19:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:19:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 05:19:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 05:19:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:19:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 05:19:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 05:19:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:19:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 05:19:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 05:19:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 05:19:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 05:19:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 05:19:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 05:19:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 05:19:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 05:19:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 05:19:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 05:19:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 05:19:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 05:19:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 05:19:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:19:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 05:19:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 05:19:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 05:19:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 05:19:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 05:19:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 05:19:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 05:19:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 05:19:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 05:19:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 05:19:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 05:19:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 05:19:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 05:19:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 05:19:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 05:19:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 05:19:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 05:19:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 05:19:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 05:19:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 05:19:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 05:19:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:19:56,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 05:19:56,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:19:57,747 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:19:57,748 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 05:19:57,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:19:57 BoogieIcfgContainer [2020-09-25 05:19:57,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:19:57,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:19:57,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:19:57,761 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:19:57,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:19:55" (1/3) ... [2020-09-25 05:19:57,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5667f69c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:19:57, skipping insertion in model container [2020-09-25 05:19:57,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:19:56" (2/3) ... [2020-09-25 05:19:57,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5667f69c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:19:57, skipping insertion in model container [2020-09-25 05:19:57,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:19:57" (3/3) ... [2020-09-25 05:19:57,765 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product63.cil.c [2020-09-25 05:19:57,777 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:19:57,789 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:19:57,812 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:19:57,846 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:19:57,846 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:19:57,846 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:19:57,846 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:19:57,847 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:19:57,847 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:19:57,847 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:19:57,847 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:19:57,876 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states. [2020-09-25 05:19:57,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 05:19:57,896 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:19:57,897 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 05:19:57,898 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:19:57,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:19:57,906 INFO L82 PathProgramCache]: Analyzing trace with hash 678471582, now seen corresponding path program 1 times [2020-09-25 05:19:57,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:19:57,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [389886281] [2020-09-25 05:19:57,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:19:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:19:58,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:19:58,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:00,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:01,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:03,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:03,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 05:20:03,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:20:03,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-09-25 05:20:03,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:03,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:03,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:03,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 05:20:03,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:03,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-09-25 05:20:03,739 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:20:03,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:20:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:03,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:03,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:03,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:20:03,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:03,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-09-25 05:20:03,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:03,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:03,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:03,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:03,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:03,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:03,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:20:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:03,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:03,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:03,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:20:03,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:03,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:20:03,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:03,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:03,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:03,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:04,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:04,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:04,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:20:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:04,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:04,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:04,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:20:04,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:04,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:20:04,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:04,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:04,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:04,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:04,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:04,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:04,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:20:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:04,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:04,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:04,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:20:04,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:04,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:20:04,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:04,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:04,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:04,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:04,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:04,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:04,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:20:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:04,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:04,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:04,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:20:04,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:04,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:20:04,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:04,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:04,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:04,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:04,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:04,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:04,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 05:20:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:04,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:04,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:04,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:20:04,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:04,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:20:04,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:04,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:04,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:04,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:20:04,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:04,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:04,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 05:20:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:04,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:04,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:04,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:20:04,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:04,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:20:04,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:04,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:04,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:04,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:20:04,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:04,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:04,121 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 05:20:04,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [389886281] [2020-09-25 05:20:04,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:20:04,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 05:20:04,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475300281] [2020-09-25 05:20:04,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 05:20:04,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:20:04,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 05:20:04,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 05:20:04,160 INFO L87 Difference]: Start difference. First operand 352 states. Second operand 3 states. [2020-09-25 05:20:05,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:20:05,901 INFO L93 Difference]: Finished difference Result 575 states and 684 transitions. [2020-09-25 05:20:05,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 05:20:05,903 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 05:20:05,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:20:05,929 INFO L225 Difference]: With dead ends: 575 [2020-09-25 05:20:05,929 INFO L226 Difference]: Without dead ends: 348 [2020-09-25 05:20:05,936 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 05:20:05,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-09-25 05:20:06,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 301. [2020-09-25 05:20:06,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-09-25 05:20:06,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 331 transitions. [2020-09-25 05:20:06,058 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 331 transitions. Word has length 142 [2020-09-25 05:20:06,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:20:06,059 INFO L479 AbstractCegarLoop]: Abstraction has 301 states and 331 transitions. [2020-09-25 05:20:06,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 05:20:06,059 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 331 transitions. [2020-09-25 05:20:06,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 05:20:06,064 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:20:06,064 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] [2020-09-25 05:20:06,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:20:06,065 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:20:06,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:20:06,066 INFO L82 PathProgramCache]: Analyzing trace with hash 999725193, now seen corresponding path program 1 times [2020-09-25 05:20:06,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:20:06,066 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [758105902] [2020-09-25 05:20:06,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:20:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:06,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:06,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:07,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:08,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:09,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:11,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:11,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 05:20:11,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:20:11,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-09-25 05:20:11,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:11,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:11,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:20:11,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 05:20:11,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:20:11,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:11,464 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:20:11,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:20:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:11,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:11,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:11,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:20:11,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:11,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 05:20:11,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:11,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:11,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:11,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:11,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:11,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:11,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:20:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:11,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:11,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:11,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:20:11,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:11,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:20:11,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:11,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:11,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:11,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:11,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:11,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:11,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:20:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:11,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:11,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:11,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:20:11,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:11,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:20:11,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:11,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:11,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:11,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:11,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:11,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:11,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:20:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:11,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:11,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:11,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:20:11,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:11,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:20:11,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:11,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:11,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:11,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:11,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:11,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:11,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:20:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:11,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:11,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:11,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:20:11,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:11,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:20:11,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:11,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:11,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:11,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:11,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:11,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:11,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 05:20:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:11,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:11,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:11,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:20:11,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:11,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:20:11,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:11,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:11,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:11,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:20:11,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:11,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:11,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 05:20:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:11,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:11,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:11,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:20:11,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:11,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:20:11,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:11,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:11,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:11,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:20:11,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:11,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 05:20:11,754 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 05:20:11,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [758105902] [2020-09-25 05:20:11,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:20:11,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 05:20:11,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418094693] [2020-09-25 05:20:11,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 05:20:11,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:20:11,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 05:20:11,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:20:11,763 INFO L87 Difference]: Start difference. First operand 301 states and 331 transitions. Second operand 4 states. [2020-09-25 05:20:12,442 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:20:13,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:20:13,917 INFO L93 Difference]: Finished difference Result 486 states and 551 transitions. [2020-09-25 05:20:13,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 05:20:13,922 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 05:20:13,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:20:13,927 INFO L225 Difference]: With dead ends: 486 [2020-09-25 05:20:13,928 INFO L226 Difference]: Without dead ends: 331 [2020-09-25 05:20:13,930 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:20:13,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2020-09-25 05:20:13,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 291. [2020-09-25 05:20:13,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2020-09-25 05:20:13,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 318 transitions. [2020-09-25 05:20:13,983 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 318 transitions. Word has length 143 [2020-09-25 05:20:13,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:20:13,984 INFO L479 AbstractCegarLoop]: Abstraction has 291 states and 318 transitions. [2020-09-25 05:20:13,984 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 05:20:13,984 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 318 transitions. [2020-09-25 05:20:13,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-25 05:20:13,987 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:20:13,987 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] [2020-09-25 05:20:13,988 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:20:13,988 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:20:13,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:20:13,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1892651662, now seen corresponding path program 1 times [2020-09-25 05:20:13,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:20:13,989 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1239511610] [2020-09-25 05:20:13,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:20:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:14,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:14,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:15,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:19,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:19,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 05:20:19,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:20:19,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 05:20:19,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:19,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:19,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:20:19,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 05:20:19,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 05:20:19,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:19,367 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:20:19,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:20:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:19,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:19,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:19,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:20:19,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:19,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 262 [2020-09-25 05:20:19,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:19,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:19,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:20:19,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:19,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 05:20:19,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:19,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:20:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:19,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:19,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:19,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:20:19,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:19,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:20:19,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:19,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:19,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:20:19,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:19,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:20:19,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:19,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:20:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:19,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:19,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:19,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:20:19,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:19,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:20:19,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:19,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:19,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:20:19,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:19,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:20:19,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:19,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:20:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:19,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:19,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:19,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:20:19,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:19,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:20:19,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:19,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:19,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:20:19,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:19,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:20:19,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:19,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:20:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:19,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:19,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:19,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:20:19,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:19,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:20:19,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:19,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:19,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:20:19,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:19,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:20:19,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:19,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 05:20:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:19,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:19,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:19,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:20:19,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:19,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:20:19,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:19,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:19,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:19,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:20:19,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:19,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:19,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 05:20:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:19,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:19,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:19,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:20:19,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:19,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:20:19,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:19,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:19,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:19,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:20:19,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:19,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:19,902 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 05:20:19,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1239511610] [2020-09-25 05:20:19,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:20:19,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:20:19,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404820901] [2020-09-25 05:20:19,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:20:19,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:20:19,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:20:19,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:20:19,909 INFO L87 Difference]: Start difference. First operand 291 states and 318 transitions. Second operand 5 states. [2020-09-25 05:20:20,619 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:20:21,393 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:20:23,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:20:23,728 INFO L93 Difference]: Finished difference Result 792 states and 915 transitions. [2020-09-25 05:20:23,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:20:23,729 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-09-25 05:20:23,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:20:23,736 INFO L225 Difference]: With dead ends: 792 [2020-09-25 05:20:23,736 INFO L226 Difference]: Without dead ends: 611 [2020-09-25 05:20:23,738 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:20:23,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2020-09-25 05:20:23,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 536. [2020-09-25 05:20:23,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2020-09-25 05:20:23,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 604 transitions. [2020-09-25 05:20:23,830 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 604 transitions. Word has length 152 [2020-09-25 05:20:23,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:20:23,831 INFO L479 AbstractCegarLoop]: Abstraction has 536 states and 604 transitions. [2020-09-25 05:20:23,831 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:20:23,831 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 604 transitions. [2020-09-25 05:20:23,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 05:20:23,834 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:20:23,834 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] [2020-09-25 05:20:23,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:20:23,834 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:20:23,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:20:23,835 INFO L82 PathProgramCache]: Analyzing trace with hash -200869376, now seen corresponding path program 1 times [2020-09-25 05:20:23,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:20:23,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1655084953] [2020-09-25 05:20:23,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:20:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:23,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:24,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:25,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:25,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:28,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:28,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 05:20:28,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:20:28,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-09-25 05:20:28,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:28,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:28,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:20:28,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-25 05:20:28,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 05:20:28,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:20:29,277 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:20:29,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:20:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:29,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:29,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:29,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:20:29,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:29,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-25 05:20:29,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:29,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:29,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:29,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:29,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:29,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:29,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:20:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:29,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:29,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:29,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:20:29,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:29,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:20:29,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:29,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:29,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:29,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:29,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:29,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:29,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:20:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:29,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:29,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:29,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:20:29,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:29,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:20:29,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:29,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:29,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:29,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:29,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:29,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:29,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:20:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:29,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:29,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:29,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:20:29,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:29,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:20:29,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:29,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:29,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:29,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:29,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:29,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:29,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:20:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:29,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:29,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:29,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:20:29,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:29,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:20:29,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:29,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:29,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:29,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:29,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:29,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:29,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 05:20:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:29,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:29,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:29,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:20:29,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:29,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:20:29,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:29,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:29,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:20:29,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:29,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:20:29,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:29,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 05:20:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:29,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:29,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:29,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:20:29,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:29,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:20:29,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:29,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:29,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:20:29,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:29,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:20:29,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:29,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 05:20:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:29,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:29,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:29,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:20:29,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:29,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 05:20:29,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:29,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:29,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:20:29,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:29,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:20:29,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:29,641 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 05:20:29,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1655084953] [2020-09-25 05:20:29,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:20:29,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 05:20:29,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240649030] [2020-09-25 05:20:29,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 05:20:29,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:20:29,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 05:20:29,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 05:20:29,647 INFO L87 Difference]: Start difference. First operand 536 states and 604 transitions. Second operand 9 states. [2020-09-25 05:20:30,291 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:20:31,770 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:20:32,080 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:20:32,460 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:20:32,774 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 05:20:33,084 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:20:33,998 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:20:34,294 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:20:34,652 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:20:35,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:20:35,826 INFO L93 Difference]: Finished difference Result 1252 states and 1493 transitions. [2020-09-25 05:20:35,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 05:20:35,827 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 05:20:35,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:20:35,834 INFO L225 Difference]: With dead ends: 1252 [2020-09-25 05:20:35,835 INFO L226 Difference]: Without dead ends: 826 [2020-09-25 05:20:35,837 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 05:20:35,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2020-09-25 05:20:35,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 745. [2020-09-25 05:20:35,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-09-25 05:20:35,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 844 transitions. [2020-09-25 05:20:35,953 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 844 transitions. Word has length 161 [2020-09-25 05:20:35,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:20:35,953 INFO L479 AbstractCegarLoop]: Abstraction has 745 states and 844 transitions. [2020-09-25 05:20:35,954 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 05:20:35,954 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 844 transitions. [2020-09-25 05:20:35,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-25 05:20:35,957 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:20:35,958 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:20:35,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:20:35,958 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:20:35,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:20:35,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1008542969, now seen corresponding path program 1 times [2020-09-25 05:20:35,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:20:35,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1874289603] [2020-09-25 05:20:35,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:20:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:36,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:36,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:41,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:41,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-09-25 05:20:41,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:20:41,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-09-25 05:20:41,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:41,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:41,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:20:41,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 182 [2020-09-25 05:20:41,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 05:20:41,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:20:41,286 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:20:41,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:20:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:41,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:41,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:41,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:20:41,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:41,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-25 05:20:41,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:41,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:41,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:41,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:41,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:41,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:41,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:20:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:41,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:41,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:41,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:20:41,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:41,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:20:41,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:41,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:41,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:41,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:41,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:41,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:41,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:20:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:41,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:41,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:41,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:20:41,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:41,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:20:41,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:41,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:41,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:41,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:41,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:41,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:41,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:20:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:41,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:41,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:41,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:20:41,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:41,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:20:41,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:41,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:41,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:41,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:41,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:41,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:41,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:20:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:41,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:41,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:41,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:20:41,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:41,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:20:41,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:41,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:41,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:20:41,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:20:41,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:20:41,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:41,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 05:20:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:41,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:20:41,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:20:41,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:20:41,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:20:41,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-25 05:20:41,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:20:41,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:20:41,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:20:41,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 05:20:41,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 05:20:41,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:20:41,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:20:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:20:41,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking...