/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:49:22,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:49:22,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:49:22,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:49:22,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:49:22,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:49:22,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:49:22,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:49:22,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:49:22,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:49:22,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:49:22,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:49:22,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:49:22,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:49:22,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:49:22,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:49:22,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:49:22,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:49:22,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:49:22,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:49:22,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:49:22,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:49:22,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:49:22,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:49:22,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:49:22,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:49:22,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:49:22,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:49:22,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:49:22,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:49:22,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:49:22,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:49:22,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:49:22,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:49:22,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:49:22,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:49:22,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:49:22,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:49:22,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:49:22,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:49:22,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:49:22,503 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 08:49:22,553 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:49:22,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:49:22,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:49:22,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:49:22,557 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:49:22,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:49:22,558 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:49:22,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:49:22,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:49:22,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:49:22,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:49:22,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:49:22,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:49:22,559 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:49:22,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:49:22,560 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:49:22,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:49:22,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:49:22,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:49:22,561 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:49:22,561 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:49:22,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:49:22,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:49:22,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:49:22,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:49:22,562 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:49:22,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:49:22,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:49:22,562 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:49:22,563 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-09-25 08:49:23,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:49:23,050 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:49:23,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:49:23,056 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:49:23,057 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:49:23,058 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-09-25 08:49:23,143 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/45f2645bf/62f468eaa7594765be000538a555f29a/FLAG8ff4f7b8a [2020-09-25 08:49:23,790 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:49:23,791 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-09-25 08:49:23,808 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/45f2645bf/62f468eaa7594765be000538a555f29a/FLAG8ff4f7b8a [2020-09-25 08:49:24,077 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/45f2645bf/62f468eaa7594765be000538a555f29a [2020-09-25 08:49:24,091 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:49:24,097 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:49:24,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:49:24,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:49:24,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:49:24,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:49:24" (1/1) ... [2020-09-25 08:49:24,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11967da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:24, skipping insertion in model container [2020-09-25 08:49:24,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:49:24" (1/1) ... [2020-09-25 08:49:24,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:49:24,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:49:24,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:49:24,680 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:49:24,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:49:24,817 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:49:24,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:24 WrapperNode [2020-09-25 08:49:24,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:49:24,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:49:24,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:49:24,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:49:24,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:24" (1/1) ... [2020-09-25 08:49:24,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:24" (1/1) ... [2020-09-25 08:49:24,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:24" (1/1) ... [2020-09-25 08:49:24,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:24" (1/1) ... [2020-09-25 08:49:24,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:24" (1/1) ... [2020-09-25 08:49:24,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:24" (1/1) ... [2020-09-25 08:49:24,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:24" (1/1) ... [2020-09-25 08:49:24,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:49:24,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:49:24,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:49:24,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:49:24,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:24" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:49:24,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:49:24,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:49:24,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 08:49:24,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 08:49:24,991 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 08:49:24,991 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 08:49:24,991 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 08:49:24,991 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 08:49:24,992 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 08:49:24,992 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 08:49:24,992 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 08:49:24,992 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 08:49:24,992 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 08:49:24,993 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 08:49:24,993 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 08:49:24,993 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 08:49:24,993 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 08:49:24,993 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 08:49:24,994 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 08:49:24,994 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 08:49:24,994 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 08:49:24,994 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:49:24,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 08:49:24,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 08:49:24,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 08:49:24,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 08:49:24,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 08:49:24,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 08:49:24,996 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 08:49:24,996 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 08:49:24,996 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 08:49:24,996 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 08:49:24,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 08:49:24,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 08:49:24,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 08:49:24,997 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 08:49:24,997 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 08:49:24,997 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 08:49:24,997 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 08:49:24,997 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 08:49:24,998 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 08:49:24,998 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 08:49:24,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:49:24,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:49:24,998 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 08:49:24,999 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 08:49:24,999 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 08:49:24,999 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 08:49:24,999 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 08:49:24,999 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 08:49:24,999 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 08:49:25,000 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 08:49:25,000 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 08:49:25,000 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 08:49:25,000 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 08:49:25,000 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 08:49:25,001 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 08:49:25,001 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 08:49:25,001 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 08:49:25,001 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 08:49:25,001 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 08:49:25,001 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 08:49:25,001 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 08:49:25,002 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 08:49:25,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:49:25,002 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 08:49:25,002 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 08:49:25,002 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 08:49:25,002 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 08:49:25,003 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 08:49:25,003 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 08:49:25,003 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 08:49:25,003 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 08:49:25,003 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 08:49:25,004 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 08:49:25,004 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 08:49:25,004 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:49:25,004 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 08:49:25,004 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:49:25,004 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:49:25,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 08:49:25,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:49:25,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:49:25,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:49:25,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:49:25,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 08:49:25,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:49:25,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 08:49:25,006 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 08:49:25,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:49:25,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 08:49:25,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 08:49:25,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 08:49:25,007 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 08:49:25,007 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 08:49:25,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:49:25,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:49:25,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:49:26,262 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:49:26,262 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 08:49:26,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:49:26 BoogieIcfgContainer [2020-09-25 08:49:26,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:49:26,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:49:26,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:49:26,275 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:49:26,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:49:24" (1/3) ... [2020-09-25 08:49:26,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507cb07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:49:26, skipping insertion in model container [2020-09-25 08:49:26,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:49:24" (2/3) ... [2020-09-25 08:49:26,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507cb07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:49:26, skipping insertion in model container [2020-09-25 08:49:26,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:49:26" (3/3) ... [2020-09-25 08:49:26,280 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2020-09-25 08:49:26,291 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:49:26,303 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:49:26,326 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:49:26,359 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:49:26,359 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:49:26,359 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:49:26,359 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:49:26,359 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:49:26,359 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:49:26,360 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:49:26,360 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:49:26,389 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states. [2020-09-25 08:49:26,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 08:49:26,409 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:49:26,411 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:49:26,411 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:49:26,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:49:26,418 INFO L82 PathProgramCache]: Analyzing trace with hash 41211657, now seen corresponding path program 1 times [2020-09-25 08:49:26,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:49:26,429 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1140463144] [2020-09-25 08:49:26,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:49:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:26,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:27,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:28,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:28,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:31,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:31,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:31,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 08:49:31,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:49:31,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049 [2020-09-25 08:49:31,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:31,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:31,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:31,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 08:49:31,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:31,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 13 [2020-09-25 08:49:32,312 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:49:32,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:32,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:32,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:32,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:49:32,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:32,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-09-25 08:49:32,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:32,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:32,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:32,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:32,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:32,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:32,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:49:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:32,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:32,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:32,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:32,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:32,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:32,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:32,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:32,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:32,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:32,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:32,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:32,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:49:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:32,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:32,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:32,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:32,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:32,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:32,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:32,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:32,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:32,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:32,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:32,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:32,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:49:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:32,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:32,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:32,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:32,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:32,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:49:32,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:32,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:32,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:32,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:32,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:49:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:32,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:32,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:32,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:32,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:32,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:32,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:32,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:32,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:32,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:32,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:32,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:32,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:49:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:32,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:32,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:32,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:49:32,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:32,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:32,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:32,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:32,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:32,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:32,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:32,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:32,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 08:49:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:32,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:32,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:32,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:49:32,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:32,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:32,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:32,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:32,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:32,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 08:49:32,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:32,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:32,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:32,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:32,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:32,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:32,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:32,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:32,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:32,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:32,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:32,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:32,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:32,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:32,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 08:49:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:32,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:32,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:32,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:32,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:32,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:32,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:32,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:32,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:32,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:49:32,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:32,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:32,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 08:49:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:32,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:32,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:32,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:32,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:32,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:32,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:32,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:32,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:32,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:49:32,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:32,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:32,655 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 08:49:32,655 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1140463144] [2020-09-25 08:49:32,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:49:32,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:49:32,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196099712] [2020-09-25 08:49:32,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:49:32,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:49:32,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:49:32,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:49:32,687 INFO L87 Difference]: Start difference. First operand 334 states. Second operand 4 states. [2020-09-25 08:49:34,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:49:34,009 INFO L93 Difference]: Finished difference Result 530 states and 624 transitions. [2020-09-25 08:49:34,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 08:49:34,011 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 08:49:34,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:49:34,032 INFO L225 Difference]: With dead ends: 530 [2020-09-25 08:49:34,032 INFO L226 Difference]: Without dead ends: 332 [2020-09-25 08:49:34,038 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:49:34,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-09-25 08:49:34,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 283. [2020-09-25 08:49:34,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-09-25 08:49:34,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 310 transitions. [2020-09-25 08:49:34,152 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 310 transitions. Word has length 160 [2020-09-25 08:49:34,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:49:34,154 INFO L479 AbstractCegarLoop]: Abstraction has 283 states and 310 transitions. [2020-09-25 08:49:34,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:49:34,154 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 310 transitions. [2020-09-25 08:49:34,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 08:49:34,162 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:49:34,163 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:49:34,167 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:49:34,167 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:49:34,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:49:34,167 INFO L82 PathProgramCache]: Analyzing trace with hash -902563244, now seen corresponding path program 1 times [2020-09-25 08:49:34,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:49:34,168 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1939573991] [2020-09-25 08:49:34,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:49:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:34,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:34,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:36,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:36,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:38,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:39,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:39,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 08:49:39,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:49:39,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-09-25 08:49:39,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:39,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:39,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:39,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 08:49:39,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:49:39,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:39,590 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:49:39,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:39,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:39,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:39,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:49:39,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:39,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-25 08:49:39,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:39,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:39,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:39,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:39,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:39,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:39,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:49:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:39,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:39,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:39,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:39,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:39,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:39,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:39,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:39,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:39,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:39,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:39,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:39,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:49:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:39,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:39,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:39,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:39,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:39,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:39,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:39,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:39,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:39,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:39,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:39,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:39,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:49:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:39,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:39,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:39,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:39,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:39,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:49:39,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:39,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:39,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:39,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:39,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:39,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 08:49:39,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:49:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:39,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:39,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:39,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:39,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:39,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:39,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:39,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:39,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:39,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:39,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:39,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:39,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:49:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:39,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:39,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:39,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:49:39,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:39,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:39,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:39,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:39,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:39,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:39,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:39,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:39,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 08:49:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:39,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:39,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:39,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:49:39,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:39,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:39,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:39,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:39,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:39,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 08:49:39,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:39,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:49:39,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:39,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:39,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:39,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:39,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:39,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:39,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:39,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:39,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:39,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:39,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:39,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:39,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 08:49:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:39,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:39,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:39,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:39,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:39,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:39,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:39,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:39,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:39,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:49:39,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:39,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:39,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:49:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:39,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:39,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:39,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:39,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:39,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:39,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:39,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:39,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:39,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:49:39,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:39,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:39,890 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 08:49:39,891 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1939573991] [2020-09-25 08:49:39,891 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:49:39,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 08:49:39,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187620256] [2020-09-25 08:49:39,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 08:49:39,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:49:39,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 08:49:39,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:49:39,896 INFO L87 Difference]: Start difference. First operand 283 states and 310 transitions. Second operand 5 states. [2020-09-25 08:49:40,569 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:49:41,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:49:41,777 INFO L93 Difference]: Finished difference Result 453 states and 512 transitions. [2020-09-25 08:49:41,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 08:49:41,778 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 08:49:41,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:49:41,786 INFO L225 Difference]: With dead ends: 453 [2020-09-25 08:49:41,786 INFO L226 Difference]: Without dead ends: 321 [2020-09-25 08:49:41,791 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:49:41,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-09-25 08:49:41,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 273. [2020-09-25 08:49:41,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2020-09-25 08:49:41,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 297 transitions. [2020-09-25 08:49:41,843 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 297 transitions. Word has length 161 [2020-09-25 08:49:41,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:49:41,844 INFO L479 AbstractCegarLoop]: Abstraction has 273 states and 297 transitions. [2020-09-25 08:49:41,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 08:49:41,844 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 297 transitions. [2020-09-25 08:49:41,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-25 08:49:41,847 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:49:41,848 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:49:41,848 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:49:41,848 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:49:41,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:49:41,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1967698974, now seen corresponding path program 1 times [2020-09-25 08:49:41,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:49:41,849 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [790692528] [2020-09-25 08:49:41,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:49:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:41,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:42,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:42,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:44,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:46,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:46,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-09-25 08:49:46,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:49:46,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 08:49:46,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:46,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:46,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 08:49:46,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 08:49:46,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-25 08:49:46,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:47,270 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:49:47,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:47,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:47,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:47,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:49:47,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:47,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-09-25 08:49:47,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:47,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:47,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:47,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:47,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 08:49:47,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:47,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:49:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:47,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:47,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:47,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:47,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:47,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:47,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:47,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:47,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:47,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:47,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:49:47,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:47,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:49:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:47,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:47,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:47,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:47,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:47,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:47,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:47,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:47,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:47,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:47,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:49:47,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:47,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:49:47,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:47,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:47,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:47,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:47,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:47,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:49:47,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:47,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:47,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:47,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:47,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:49:47,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:47,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:49:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:47,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:47,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:47,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:47,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:47,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:47,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:47,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:47,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:47,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:47,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:49:47,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:47,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:49:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:47,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:47,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:47,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:49:47,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:47,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:47,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:47,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:47,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:47,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:47,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 08:49:47,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:47,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:49:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:47,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:47,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:47,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:49:47,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:47,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:49:47,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:47,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:47,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:47,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:47,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 08:49:47,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:47,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:47,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:47,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:47,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:47,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:47,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:47,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:47,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:47,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:47,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:47,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:47,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:47,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 08:49:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:47,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:47,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:47,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:47,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:47,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:47,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:47,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:47,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:47,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:49:47,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:47,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:47,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 08:49:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:47,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:47,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:47,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:47,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:47,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:47,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:47,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:47,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:47,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:49:47,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:47,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:47,775 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 08:49:47,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [790692528] [2020-09-25 08:49:47,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:49:47,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 08:49:47,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457279506] [2020-09-25 08:49:47,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 08:49:47,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:49:47,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 08:49:47,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:49:47,779 INFO L87 Difference]: Start difference. First operand 273 states and 297 transitions. Second operand 5 states. [2020-09-25 08:49:48,337 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:49:50,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:49:50,265 INFO L93 Difference]: Finished difference Result 647 states and 741 transitions. [2020-09-25 08:49:50,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 08:49:50,267 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2020-09-25 08:49:50,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:49:50,276 INFO L225 Difference]: With dead ends: 647 [2020-09-25 08:49:50,276 INFO L226 Difference]: Without dead ends: 489 [2020-09-25 08:49:50,279 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:49:50,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2020-09-25 08:49:50,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 425. [2020-09-25 08:49:50,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2020-09-25 08:49:50,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 474 transitions. [2020-09-25 08:49:50,362 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 474 transitions. Word has length 170 [2020-09-25 08:49:50,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:49:50,363 INFO L479 AbstractCegarLoop]: Abstraction has 425 states and 474 transitions. [2020-09-25 08:49:50,363 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 08:49:50,363 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 474 transitions. [2020-09-25 08:49:50,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 08:49:50,367 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:49:50,367 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:49:50,367 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:49:50,368 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:49:50,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:49:50,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1112258490, now seen corresponding path program 1 times [2020-09-25 08:49:50,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:49:50,369 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1065646807] [2020-09-25 08:49:50,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:49:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:50,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:50,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:51,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:53,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:55,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:55,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 08:49:55,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:49:55,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5053 [2020-09-25 08:49:55,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:55,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:55,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 08:49:55,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-25 08:49:55,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-25 08:49:55,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:49:55,809 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:49:55,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:55,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:55,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:55,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:49:55,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:55,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-09-25 08:49:55,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:55,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:55,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:55,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:55,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:55,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:56,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:49:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:56,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:56,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:56,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:56,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:56,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:56,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:56,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:56,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:56,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:56,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:56,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:56,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:49:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:56,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:56,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:56,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:56,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:56,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:49:56,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:56,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:56,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:56,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:56,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:56,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:56,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:49:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:56,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:56,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:56,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:56,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:56,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:56,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:56,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:56,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:56,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:56,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:56,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:56,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:49:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:56,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:56,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:56,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:56,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:56,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:56,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:56,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:56,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:56,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:56,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:56,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:56,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:49:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:56,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:56,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:56,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:49:56,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:56,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:56,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:56,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:56,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:56,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:56,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:56,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:56,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 08:49:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:56,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:56,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:56,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:49:56,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:56,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:49:56,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:56,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:56,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:56,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:56,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 08:49:56,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:56,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 08:49:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:56,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:56,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:56,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:49:56,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:56,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:49:56,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:56,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:56,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:56,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:56,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 08:49:56,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:56,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:56,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:56,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:56,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:56,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:56,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:56,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:56,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:56,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:56,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:56,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:56,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:56,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 08:49:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:56,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:56,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:56,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:56,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:56,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:49:56,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:56,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:56,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:56,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:56,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:49:56,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:56,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-25 08:49:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:56,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:56,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:56,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:56,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:56,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:49:56,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:56,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:56,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:49:56,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:56,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:49:56,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:56,240 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 08:49:56,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1065646807] [2020-09-25 08:49:56,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:49:56,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 08:49:56,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495967159] [2020-09-25 08:49:56,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 08:49:56,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:49:56,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 08:49:56,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:49:56,244 INFO L87 Difference]: Start difference. First operand 425 states and 474 transitions. Second operand 10 states. [2020-09-25 08:49:56,833 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:49:57,780 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:58,106 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 08:49:59,563 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:49:59,871 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:50:00,229 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:50:00,821 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:50:01,156 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 08:50:01,471 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:50:02,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:50:02,075 INFO L93 Difference]: Finished difference Result 1028 states and 1221 transitions. [2020-09-25 08:50:02,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 08:50:02,076 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-25 08:50:02,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:50:02,082 INFO L225 Difference]: With dead ends: 1028 [2020-09-25 08:50:02,082 INFO L226 Difference]: Without dead ends: 718 [2020-09-25 08:50:02,084 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-25 08:50:02,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2020-09-25 08:50:02,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 635. [2020-09-25 08:50:02,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2020-09-25 08:50:02,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 712 transitions. [2020-09-25 08:50:02,179 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 712 transitions. Word has length 179 [2020-09-25 08:50:02,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:50:02,180 INFO L479 AbstractCegarLoop]: Abstraction has 635 states and 712 transitions. [2020-09-25 08:50:02,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 08:50:02,180 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 712 transitions. [2020-09-25 08:50:02,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 08:50:02,185 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:50:02,185 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:50:02,186 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:50:02,186 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:50:02,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:50:02,186 INFO L82 PathProgramCache]: Analyzing trace with hash 212621173, now seen corresponding path program 1 times [2020-09-25 08:50:02,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:50:02,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1323427790] [2020-09-25 08:50:02,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:50:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:02,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:03,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:03,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-25 08:50:03,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:03,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 776 [2020-09-25 08:50:03,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:03,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:03,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:50:03,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 200 [2020-09-25 08:50:03,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:50:03,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:03,396 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:50:03,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:50:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:03,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:03,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:03,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:50:03,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:03,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-09-25 08:50:03,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:03,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:03,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:03,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:03,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:03,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:03,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:50:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:03,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:03,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:03,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:03,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:03,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:03,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:03,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:03,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:03,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:03,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:03,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:03,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:50:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:03,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:03,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:03,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:03,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:03,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:03,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:03,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:03,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:03,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:03,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:03,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:03,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:50:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:03,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:03,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:03,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:03,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:03,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:50:03,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:03,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:03,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:03,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:03,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:03,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:03,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:50:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:03,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:03,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:03,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:03,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:03,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:03,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:03,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:03,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:03,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:03,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:03,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:03,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:50:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:03,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:03,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:03,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:50:03,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:03,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:03,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:03,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:03,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:03,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:03,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:03,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:03,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:50:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:03,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:03,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:03,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:50:03,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:03,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:50:03,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:03,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:03,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:03,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:03,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:03,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:03,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:50:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:03,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:03,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:03,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:03,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:03,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:03,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:03,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:03,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:03,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:03,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:03,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:03,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 08:50:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:03,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:03,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:03,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 08:50:03,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:03,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-25 08:50:03,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:03,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:03,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:50:03,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 08:50:03,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:50:03,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:03,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:50:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:03,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:03,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:03,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 08:50:03,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:03,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 08:50:03,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:03,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:03,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:50:03,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 08:50:03,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:50:03,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:03,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:50:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:03,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:04,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:04,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:50:04,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:04,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 08:50:04,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:04,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:04,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:50:04,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:04,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 08:50:04,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:04,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:50:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:04,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:04,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:04,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:50:04,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:04,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:50:04,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:04,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:04,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:04,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:04,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:04,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:04,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 08:50:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:04,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:04,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:04,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 08:50:04,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:04,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 08:50:04,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:04,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:04,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:04,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 08:50:04,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:04,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:04,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 08:50:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:04,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:04,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:04,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 08:50:04,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:04,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:04,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:04,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:04,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:04,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:04,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:04,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:50:04,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 08:50:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:04,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:04,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:04,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:04,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:04,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:04,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:04,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:04,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:04,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:04,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:04,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:50:04,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 08:50:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:04,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:04,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:04,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:50:04,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:04,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:50:04,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:04,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:04,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:04,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:04,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:04,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:04,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 08:50:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:04,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:04,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:04,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:04,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:04,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:04,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:04,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:04,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:04,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:50:04,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:04,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:04,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-25 08:50:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:04,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:04,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:04,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:04,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:04,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:50:04,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:04,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:04,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:04,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:50:04,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:04,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-25 08:50:04,320 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 08:50:04,321 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1323427790] [2020-09-25 08:50:04,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:50:04,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 08:50:04,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648901536] [2020-09-25 08:50:04,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 08:50:04,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:50:04,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 08:50:04,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:50:04,324 INFO L87 Difference]: Start difference. First operand 635 states and 712 transitions. Second operand 10 states. [2020-09-25 08:50:06,021 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:50:06,342 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:50:06,689 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 08:50:07,066 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:50:07,419 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 08:50:07,740 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 08:50:08,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:50:08,757 INFO L93 Difference]: Finished difference Result 1271 states and 1502 transitions. [2020-09-25 08:50:08,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 08:50:08,760 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 230 [2020-09-25 08:50:08,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:50:08,764 INFO L225 Difference]: With dead ends: 1271 [2020-09-25 08:50:08,765 INFO L226 Difference]: Without dead ends: 751 [2020-09-25 08:50:08,767 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 08:50:08,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2020-09-25 08:50:08,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 654. [2020-09-25 08:50:08,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 654 states. [2020-09-25 08:50:08,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 732 transitions. [2020-09-25 08:50:08,874 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 732 transitions. Word has length 230 [2020-09-25 08:50:08,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:50:08,874 INFO L479 AbstractCegarLoop]: Abstraction has 654 states and 732 transitions. [2020-09-25 08:50:08,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 08:50:08,875 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 732 transitions. [2020-09-25 08:50:08,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 08:50:08,879 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:50:08,879 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:50:08,879 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 08:50:08,879 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:50:08,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:50:08,880 INFO L82 PathProgramCache]: Analyzing trace with hash 880367573, now seen corresponding path program 1 times [2020-09-25 08:50:08,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:50:08,880 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [548900906] [2020-09-25 08:50:08,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:50:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:08,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:09,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:09,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-25 08:50:09,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:09,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 705 [2020-09-25 08:50:09,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:09,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:09,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:50:09,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-09-25 08:50:09,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:50:09,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:09,929 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:50:09,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:50:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:09,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:50:10,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-25 08:50:10,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:10,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:10,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:10,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:10,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:50:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:10,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:50:10,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:10,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:10,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:10,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:10,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:50:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:10,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:50:10,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:10,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:10,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:10,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:10,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:50:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:10,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:50:10,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:10,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:10,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:10,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:10,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:50:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:50:10,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:50:10,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:10,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:10,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:10,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:10,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:50:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:50:10,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:50:10,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:10,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:10,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:10,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:10,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:50:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:50:10,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:10,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:10,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:10,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:10,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:10,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:50:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:10,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:50:10,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:10,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:10,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:10,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:10,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 08:50:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 08:50:10,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-25 08:50:10,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:50:10,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 08:50:10,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:50:10,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:50:10,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:50:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 08:50:10,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-25 08:50:10,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:50:10,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 08:50:10,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:50:10,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:10,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:50:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:50:10,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 08:50:10,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:50:10,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 08:50:10,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:50:10,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:10,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:50:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:50:10,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:50:10,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:50:10,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:10,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:50:10,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:10,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 08:50:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 08:50:10,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 08:50:10,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:10,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 08:50:10,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:10,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:10,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 08:50:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 08:50:10,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:10,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:10,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:10,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:10,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:10,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 08:50:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:10,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:10,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:10,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:10,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:10,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:10,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 08:50:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:50:10,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:50:10,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:10,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:50:10,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:10,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:10,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 08:50:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:10,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:10,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:10,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:50:10,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:10,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:10,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-25 08:50:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:50:10,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:50:10,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:50:10,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:50:10,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:50:10,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:50:10,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:50:10,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:50:10,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:50:10,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:50:10,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:50:10,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:50:10,572 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 08:50:10,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [548900906] [2020-09-25 08:50:10,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:50:10,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 08:50:10,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113856835] [2020-09-25 08:50:10,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 08:50:10,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:50:10,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 08:50:10,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 08:50:10,575 INFO L87 Difference]: Start difference. First operand 654 states and 732 transitions. Second operand 9 states.