/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=HIGHLEXORDER --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_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 22:35:26,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 22:35:26,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 22:35:26,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 22:35:26,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 22:35:26,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 22:35:26,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 22:35:26,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 22:35:26,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 22:35:26,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 22:35:26,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 22:35:26,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 22:35:26,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 22:35:26,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 22:35:26,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 22:35:26,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 22:35:26,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 22:35:26,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 22:35:26,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 22:35:26,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 22:35:26,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 22:35:26,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 22:35:26,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 22:35:26,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 22:35:26,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 22:35:26,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 22:35:26,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 22:35:26,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 22:35:26,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 22:35:26,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 22:35:26,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 22:35:26,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 22:35:26,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 22:35:26,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 22:35:26,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 22:35:26,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 22:35:26,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 22:35:26,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 22:35:26,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 22:35:26,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 22:35:26,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 22:35:26,771 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 22:35:26,833 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 22:35:26,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 22:35:26,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 22:35:26,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 22:35:26,836 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 22:35:26,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 22:35:26,837 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 22:35:26,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 22:35:26,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 22:35:26,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 22:35:26,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 22:35:26,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 22:35:26,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 22:35:26,839 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 22:35:26,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 22:35:26,839 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 22:35:26,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 22:35:26,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 22:35:26,841 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 22:35:26,841 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 22:35:26,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 22:35:26,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:35:26,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 22:35:26,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 22:35:26,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 22:35:26,842 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 22:35:26,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 22:35:26,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 22:35:26,843 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 22:35:26,843 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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;log-additional-information=true; [2020-09-24 22:35:27,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 22:35:27,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 22:35:27,341 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 22:35:27,345 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 22:35:27,345 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 22:35:27,346 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2020-09-24 22:35:27,423 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6c7d89a28/40709b67cf584066a3b35d1ac5e7deb1/FLAG488c6a16f [2020-09-24 22:35:28,034 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 22:35:28,036 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2020-09-24 22:35:28,067 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6c7d89a28/40709b67cf584066a3b35d1ac5e7deb1/FLAG488c6a16f [2020-09-24 22:35:28,280 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6c7d89a28/40709b67cf584066a3b35d1ac5e7deb1 [2020-09-24 22:35:28,293 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 22:35:28,300 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 22:35:28,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 22:35:28,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 22:35:28,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 22:35:28,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:35:28" (1/1) ... [2020-09-24 22:35:28,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41ca0b43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:28, skipping insertion in model container [2020-09-24 22:35:28,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:35:28" (1/1) ... [2020-09-24 22:35:28,321 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 22:35:28,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 22:35:28,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:35:28,926 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 22:35:29,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:35:29,113 INFO L208 MainTranslator]: Completed translation [2020-09-24 22:35:29,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:29 WrapperNode [2020-09-24 22:35:29,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 22:35:29,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 22:35:29,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 22:35:29,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 22:35:29,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:29" (1/1) ... [2020-09-24 22:35:29,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:29" (1/1) ... [2020-09-24 22:35:29,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:29" (1/1) ... [2020-09-24 22:35:29,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:29" (1/1) ... [2020-09-24 22:35:29,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:29" (1/1) ... [2020-09-24 22:35:29,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:29" (1/1) ... [2020-09-24 22:35:29,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:29" (1/1) ... [2020-09-24 22:35:29,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 22:35:29,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 22:35:29,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 22:35:29,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 22:35:29,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:29" (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 [2020-09-24 22:35:29,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 22:35:29,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 22:35:29,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 22:35:29,309 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 22:35:29,309 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 22:35:29,309 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 22:35:29,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 22:35:29,310 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 22:35:29,310 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 22:35:29,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 22:35:29,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 22:35:29,310 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 22:35:29,311 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 22:35:29,311 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 22:35:29,311 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 22:35:29,311 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 22:35:29,311 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 22:35:29,312 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 22:35:29,312 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 22:35:29,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 22:35:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 22:35:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 22:35:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 22:35:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 22:35:29,316 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 22:35:29,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 22:35:29,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 22:35:29,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 22:35:29,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 22:35:29,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 22:35:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 22:35:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 22:35:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 22:35:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 22:35:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 22:35:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 22:35:29,319 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 22:35:29,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 22:35:29,320 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 22:35:29,320 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 22:35:29,320 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 22:35:29,320 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 22:35:29,320 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 22:35:29,320 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 22:35:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 22:35:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 22:35:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 22:35:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 22:35:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 22:35:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 22:35:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 22:35:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 22:35:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 22:35:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 22:35:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 22:35:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 22:35:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 22:35:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 22:35:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 22:35:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 22:35:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 22:35:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 22:35:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 22:35:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 22:35:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 22:35:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 22:35:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 22:35:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 22:35:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 22:35:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 22:35:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 22:35:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 22:35:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 22:35:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 22:35:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 22:35:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 22:35:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 22:35:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 22:35:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 22:35:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 22:35:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 22:35:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 22:35:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 22:35:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 22:35:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 22:35:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 22:35:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 22:35:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 22:35:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 22:35:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 22:35:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 22:35:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 22:35:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 22:35:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 22:35:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 22:35:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 22:35:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 22:35:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 22:35:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 22:35:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 22:35:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 22:35:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 22:35:30,567 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 22:35:30,568 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 22:35:30,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:35:30 BoogieIcfgContainer [2020-09-24 22:35:30,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 22:35:30,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 22:35:30,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 22:35:30,582 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 22:35:30,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:35:28" (1/3) ... [2020-09-24 22:35:30,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9afe779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:35:30, skipping insertion in model container [2020-09-24 22:35:30,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:35:29" (2/3) ... [2020-09-24 22:35:30,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9afe779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:35:30, skipping insertion in model container [2020-09-24 22:35:30,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:35:30" (3/3) ... [2020-09-24 22:35:30,587 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product59.cil.c [2020-09-24 22:35:30,600 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 22:35:30,611 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 22:35:30,636 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 22:35:30,673 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 22:35:30,673 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 22:35:30,673 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 22:35:30,673 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 22:35:30,673 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 22:35:30,677 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 22:35:30,677 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 22:35:30,677 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 22:35:30,710 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states. [2020-09-24 22:35:30,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 22:35:30,734 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:35:30,736 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] [2020-09-24 22:35:30,736 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:35:30,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:35:30,746 INFO L82 PathProgramCache]: Analyzing trace with hash 361389502, now seen corresponding path program 1 times [2020-09-24 22:35:30,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:35:30,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [625308720] [2020-09-24 22:35:30,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:35:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:31,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:31,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:32,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:33,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:35,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:36,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:36,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 22:35:36,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 22:35:36,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-24 22:35:36,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:36,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:35:36,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-09-24 22:35:36,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 22:35:36,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 22:35:36,706 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:35:36,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:36,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:36,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:36,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:35:36,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:36,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-09-24 22:35:36,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:36,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:36,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:36,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:36,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:36,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:35:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:36,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:36,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:36,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:36,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:36,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:36,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:36,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:36,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:36,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:36,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:36,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:35:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:36,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:36,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:36,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:36,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:36,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:36,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:36,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:36,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:36,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:36,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:36,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:35:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:36,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:36,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:36,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:36,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:36,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:35:36,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:36,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:36,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:36,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:36,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:36,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:35:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:36,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:36,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:36,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:36,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:36,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:36,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:36,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:36,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:36,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:36,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:36,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:35:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:36,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:36,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:36,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:36,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:36,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:36,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:36,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:36,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:36,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:36,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:36,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 22:35:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:36,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:36,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:36,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:35:36,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:36,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:36,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:36,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:36,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:36,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:36,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:36,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:36,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:36,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:36,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:36,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:36,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:36,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:36,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:36,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:36,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:36,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:36,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 22:35:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:36,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:36,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:36,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:36,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:37,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:35:37,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:37,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:37,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:37,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:35:37,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:37,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 22:35:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:37,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:37,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:37,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:37,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:37,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 22:35:37,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:37,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:35:37,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:37,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:35:37,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:37,106 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 22:35:37,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [625308720] [2020-09-24 22:35:37,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:35:37,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 22:35:37,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982972099] [2020-09-24 22:35:37,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 22:35:37,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:35:37,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 22:35:37,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:35:37,144 INFO L87 Difference]: Start difference. First operand 353 states. Second operand 9 states. [2020-09-24 22:35:37,879 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:35:38,668 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:35:38,964 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:35:40,577 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:35:40,872 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:35:41,248 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:35:41,850 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:35:42,168 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:35:42,484 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:35:43,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:35:43,140 INFO L93 Difference]: Finished difference Result 677 states and 816 transitions. [2020-09-24 22:35:43,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 22:35:43,143 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-24 22:35:43,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:35:43,165 INFO L225 Difference]: With dead ends: 677 [2020-09-24 22:35:43,165 INFO L226 Difference]: Without dead ends: 448 [2020-09-24 22:35:43,173 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-24 22:35:43,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-09-24 22:35:43,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 399. [2020-09-24 22:35:43,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-09-24 22:35:43,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 447 transitions. [2020-09-24 22:35:43,313 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 447 transitions. Word has length 160 [2020-09-24 22:35:43,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:35:43,314 INFO L479 AbstractCegarLoop]: Abstraction has 399 states and 447 transitions. [2020-09-24 22:35:43,314 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 22:35:43,314 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 447 transitions. [2020-09-24 22:35:43,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-24 22:35:43,320 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:35:43,320 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] [2020-09-24 22:35:43,321 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 22:35:43,321 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:35:43,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:35:43,322 INFO L82 PathProgramCache]: Analyzing trace with hash -585097851, now seen corresponding path program 1 times [2020-09-24 22:35:43,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:35:43,325 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [513598879] [2020-09-24 22:35:43,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:35:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:43,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:44,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:44,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-24 22:35:44,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:44,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1062 [2020-09-24 22:35:44,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:44,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:35:44,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-09-24 22:35:44,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:35:44,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:44,873 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:35:44,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:44,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:45,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:45,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:35:45,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:45,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-24 22:35:45,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:45,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:45,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:45,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:45,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:45,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:35:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:45,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:45,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:45,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:45,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:45,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:45,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:45,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:45,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:45,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:45,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:45,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:35:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:45,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:45,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:45,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:45,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:45,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:45,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:45,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:45,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:45,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:45,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:45,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:35:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:45,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:45,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:45,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:45,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:45,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:35:45,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:45,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:45,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:45,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:45,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:45,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:35:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:45,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:45,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:45,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:45,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:45,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:45,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:45,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:45,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:45,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:45,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 22:35:45,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:35:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:45,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:45,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:45,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:45,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:45,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:45,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:45,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:45,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:45,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:45,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 22:35:45,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 22:35:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:45,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:45,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:45,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:35:45,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:45,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:45,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:45,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:45,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:45,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:45,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:45,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:45,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:45,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:45,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:45,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:45,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:45,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:45,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:45,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:45,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:45,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:45,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 22:35:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:45,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:45,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:45,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 22:35:45,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:45,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-09-24 22:35:45,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:45,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:35:45,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 22:35:45,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:35:45,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:45,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:35:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:45,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:45,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:45,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:35:45,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:45,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-24 22:35:45,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:45,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:35:45,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 22:35:45,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:35:45,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:45,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:35:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:45,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:45,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:45,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:35:45,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:45,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 22:35:45,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:45,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:35:45,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 22:35:45,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:35:45,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:45,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:35:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:45,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:45,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:45,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:35:45,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:45,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 22:35:45,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:45,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:35:45,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:45,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:35:45,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:45,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:35:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:45,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:45,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:45,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:35:45,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:45,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 22:35:45,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:45,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:45,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 22:35:45,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:45,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:45,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:35:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:45,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:45,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:45,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:35:45,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:45,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:45,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:45,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:45,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:45,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:45,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:45,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:35:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:45,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:45,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:45,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:45,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:45,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:45,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:45,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:45,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:45,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:45,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:45,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:35:45,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:45,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:45,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:45,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:45,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:45,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:45,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:45,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:45,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:45,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:45,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:45,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-24 22:35:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:45,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:45,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:45,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:45,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:45,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:45,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:45,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:45,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:35:45,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:45,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:45,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-24 22:35:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:45,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:45,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:45,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:45,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:45,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:45,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:45,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:45,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:35:45,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:45,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:45,626 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 22:35:45,626 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [513598879] [2020-09-24 22:35:45,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:35:45,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 22:35:45,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467355834] [2020-09-24 22:35:45,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 22:35:45,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:35:45,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 22:35:45,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:35:45,633 INFO L87 Difference]: Start difference. First operand 399 states and 447 transitions. Second operand 9 states. [2020-09-24 22:35:46,988 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:35:47,305 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:35:47,647 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:35:48,034 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 22:35:48,397 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:35:49,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:35:49,572 INFO L93 Difference]: Finished difference Result 781 states and 950 transitions. [2020-09-24 22:35:49,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 22:35:49,573 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 230 [2020-09-24 22:35:49,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:35:49,580 INFO L225 Difference]: With dead ends: 781 [2020-09-24 22:35:49,581 INFO L226 Difference]: Without dead ends: 497 [2020-09-24 22:35:49,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-24 22:35:49,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2020-09-24 22:35:49,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 414. [2020-09-24 22:35:49,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2020-09-24 22:35:49,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 468 transitions. [2020-09-24 22:35:49,685 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 468 transitions. Word has length 230 [2020-09-24 22:35:49,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:35:49,686 INFO L479 AbstractCegarLoop]: Abstraction has 414 states and 468 transitions. [2020-09-24 22:35:49,686 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 22:35:49,686 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 468 transitions. [2020-09-24 22:35:49,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-09-24 22:35:49,694 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:35:49,695 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:35:49,695 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 22:35:49,696 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:35:49,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:35:49,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1350665580, now seen corresponding path program 1 times [2020-09-24 22:35:49,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:35:49,697 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [681405178] [2020-09-24 22:35:49,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:35:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:49,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:49,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:50,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:50,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:54,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:54,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:54,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 320 [2020-09-24 22:35:54,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 22:35:54,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5062 [2020-09-24 22:35:54,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:54,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 22:35:54,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 173 [2020-09-24 22:35:54,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-24 22:35:54,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:35:55,134 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:35:55,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:55,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:55,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:55,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:35:55,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:55,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-24 22:35:55,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:55,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:55,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:55,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:55,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:55,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:35:55,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:55,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:55,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:55,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:55,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:55,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:35:55,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:55,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:55,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:55,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:55,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:55,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:35:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:55,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:55,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:55,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:55,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:55,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:35:55,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:55,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:55,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:55,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:55,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:55,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:35:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:55,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:55,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:55,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:55,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:55,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:35:55,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:55,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:55,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:55,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:55,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:55,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:35:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:55,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:55,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:55,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:35:55,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:55,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:35:55,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:55,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:55,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:55,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:55,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:55,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:35:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:55,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:55,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:55,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:55,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:55,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:55,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:55,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:55,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:55,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:55,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:55,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 22:35:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:55,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:55,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:55,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 22:35:55,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:55,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 22:35:55,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:55,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:35:55,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:55,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-24 22:35:55,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:55,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:55,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:55,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:55,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:35:55,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:55,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:55,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:55,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:55,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:55,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:55,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:55,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:55,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:55,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:55,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:55,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:55,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:35:55,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:55,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:55,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:55,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:55,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:55,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 22:35:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:55,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:55,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:55,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 22:35:55,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:55,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 22:35:55,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:55,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:35:55,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:55,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 22:35:55,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:55,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:35:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:55,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:55,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:55,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:55,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:55,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 22:35:55,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:55,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:35:55,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:55,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 22:35:55,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:55,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-24 22:35:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:55,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:55,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:55,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:35:55,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:55,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:35:55,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:55,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:35:55,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:55,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 22:35:55,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:55,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:35:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:55,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:55,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:55,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:55,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:55,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:55,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:55,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:55,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:55,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:55,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:55,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 22:35:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:55,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:55,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:55,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:55,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 22:35:55,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:35:55,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-09-24 22:35:55,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:55,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:35:55,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 22:35:55,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:35:55,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:55,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:35:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:55,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:55,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:55,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:35:55,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:55,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-24 22:35:55,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:55,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:35:55,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 22:35:55,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:35:55,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:55,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:35:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:55,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:55,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:55,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:35:55,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:55,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 22:35:55,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:55,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:35:55,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:55,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 22:35:55,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:55,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:35:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:55,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:55,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:55,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:35:55,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:55,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:35:55,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:55,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:55,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:55,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:55,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:55,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:35:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:55,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:55,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:55,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:35:55,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:55,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 22:35:55,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:55,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:55,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 22:35:55,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:55,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:55,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:35:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:55,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:55,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:55,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:35:55,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:55,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:55,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:55,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:55,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:55,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:55,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:55,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:35:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:55,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:55,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:55,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:55,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:55,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:55,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:55,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:55,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:55,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:55,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:55,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:35:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:55,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:55,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:55,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:35:55,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:55,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:35:55,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:55,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:55,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:35:55,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:55,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:55,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-24 22:35:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:55,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:55,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:55,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:55,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:55,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:55,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:55,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:55,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:35:55,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:55,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:55,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-24 22:35:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:35:55,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:35:55,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:35:55,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:35:55,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:35:55,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:35:55,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:35:55,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:35:55,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:35:55,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:35:55,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:35:56,049 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-24 22:35:56,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [681405178] [2020-09-24 22:35:56,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 22:35:56,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-24 22:35:56,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105123963] [2020-09-24 22:35:56,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 22:35:56,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:35:56,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 22:35:56,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-09-24 22:35:56,052 INFO L87 Difference]: Start difference. First operand 414 states and 468 transitions. Second operand 16 states. [2020-09-24 22:35:57,747 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:35:58,062 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:35:58,413 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:35:58,733 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 22:35:59,049 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:35:59,404 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:35:59,926 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:36:00,271 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:36:00,613 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 22:36:00,968 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:36:01,360 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:36:01,708 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:36:02,627 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:36:02,984 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:36:03,759 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:36:04,101 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 22:36:04,498 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 22:36:04,859 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:36:05,205 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 22:36:05,535 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:36:07,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:36:07,770 INFO L93 Difference]: Finished difference Result 1101 states and 1431 transitions. [2020-09-24 22:36:07,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-09-24 22:36:07,777 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 257 [2020-09-24 22:36:07,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:36:07,790 INFO L225 Difference]: With dead ends: 1101 [2020-09-24 22:36:07,791 INFO L226 Difference]: Without dead ends: 802 [2020-09-24 22:36:07,793 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=352, Invalid=1208, Unknown=0, NotChecked=0, Total=1560 [2020-09-24 22:36:07,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2020-09-24 22:36:07,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 672. [2020-09-24 22:36:07,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2020-09-24 22:36:07,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 800 transitions. [2020-09-24 22:36:07,889 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 800 transitions. Word has length 257 [2020-09-24 22:36:07,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:36:07,890 INFO L479 AbstractCegarLoop]: Abstraction has 672 states and 800 transitions. [2020-09-24 22:36:07,890 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-24 22:36:07,890 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 800 transitions. [2020-09-24 22:36:07,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-09-24 22:36:07,894 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:36:07,894 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] [2020-09-24 22:36:07,894 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 22:36:07,894 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:36:07,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:36:07,895 INFO L82 PathProgramCache]: Analyzing trace with hash -893317442, now seen corresponding path program 1 times [2020-09-24 22:36:07,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:36:07,895 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1579523433] [2020-09-24 22:36:07,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:36:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:08,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:08,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:11,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:11,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-09-24 22:36:11,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:36:11,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3991 [2020-09-24 22:36:11,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:11,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:11,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 22:36:11,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 22:36:11,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:12,301 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:36:12,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:36:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:12,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:12,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:12,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:36:12,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:12,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-24 22:36:12,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:12,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:12,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:12,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:12,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:12,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:36:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:12,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:12,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:12,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:36:12,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:12,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:12,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:12,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:12,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:12,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:12,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:12,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:36:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:12,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:12,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:12,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:36:12,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:12,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:12,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:12,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:12,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:12,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:12,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:12,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:36:12,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:12,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:12,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:12,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:12,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:12,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:36:12,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:12,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:12,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:12,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:12,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:12,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:36:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:12,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:12,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:12,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:36:12,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:12,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:12,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:12,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:12,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:12,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:12,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:12,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:36:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:12,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:12,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:12,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:36:12,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:12,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:12,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:12,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:12,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:12,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:12,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:12,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 22:36:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:12,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:12,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:12,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:36:12,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:12,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:36:12,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:12,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:12,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 22:36:12,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:12,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:12,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:36:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:12,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:12,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:12,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:12,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:12,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:12,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:12,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:12,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:12,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:12,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:12,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 22:36:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:12,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:12,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:12,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 22:36:12,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:12,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 22:36:12,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:12,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:12,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-09-24 22:36:12,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:12,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:12,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:36:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:12,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:12,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:12,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:36:12,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:12,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 22:36:12,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:12,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:12,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:12,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:12,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:12,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:36:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:12,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:12,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:12,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:36:12,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:12,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 22:36:12,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:12,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:12,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:12,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:12,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:12,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:36:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:12,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:12,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:12,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:36:12,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:12,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:36:12,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:12,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:12,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:12,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:12,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:12,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:36:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:12,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:12,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:12,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:36:12,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:12,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 22:36:12,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:12,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:12,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:12,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:12,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:12,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:36:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:12,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:12,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:12,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:36:12,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:12,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:12,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:12,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:12,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:12,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:12,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:12,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:36:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:12,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:12,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:12,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:12,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:12,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:12,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:12,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:12,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:12,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:12,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:36:12,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:36:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:12,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:12,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:12,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:36:12,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:12,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:12,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:12,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:12,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:12,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:12,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:12,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-24 22:36:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:12,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:12,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:12,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:12,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:12,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:12,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:12,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:12,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:36:12,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:12,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:12,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-24 22:36:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:12,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:12,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:12,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:12,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:12,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:12,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:12,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:12,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:36:12,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:12,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:12,821 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 22:36:12,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1579523433] [2020-09-24 22:36:12,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:36:12,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 22:36:12,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005117682] [2020-09-24 22:36:12,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 22:36:12,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:36:12,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 22:36:12,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 22:36:12,824 INFO L87 Difference]: Start difference. First operand 672 states and 800 transitions. Second operand 6 states. [2020-09-24 22:36:13,663 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:36:15,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:36:15,129 INFO L93 Difference]: Finished difference Result 1131 states and 1335 transitions. [2020-09-24 22:36:15,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 22:36:15,130 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 221 [2020-09-24 22:36:15,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:36:15,138 INFO L225 Difference]: With dead ends: 1131 [2020-09-24 22:36:15,138 INFO L226 Difference]: Without dead ends: 717 [2020-09-24 22:36:15,140 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-24 22:36:15,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2020-09-24 22:36:15,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 632. [2020-09-24 22:36:15,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2020-09-24 22:36:15,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 712 transitions. [2020-09-24 22:36:15,244 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 712 transitions. Word has length 221 [2020-09-24 22:36:15,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:36:15,245 INFO L479 AbstractCegarLoop]: Abstraction has 632 states and 712 transitions. [2020-09-24 22:36:15,245 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 22:36:15,245 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 712 transitions. [2020-09-24 22:36:15,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-24 22:36:15,251 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:36:15,251 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] [2020-09-24 22:36:15,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 22:36:15,251 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:36:15,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:36:15,252 INFO L82 PathProgramCache]: Analyzing trace with hash 142007426, now seen corresponding path program 1 times [2020-09-24 22:36:15,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:36:15,252 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1568713266] [2020-09-24 22:36:15,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:36:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:15,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:16,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:16,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-24 22:36:16,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:16,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1394 [2020-09-24 22:36:16,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:16,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 22:36:16,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 22:36:16,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-24 22:36:16,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:17,052 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:36:17,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:36:17,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:17,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:17,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:17,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:36:17,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:17,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-09-24 22:36:17,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:17,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:17,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:17,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 22:36:17,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:17,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:36:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:17,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:17,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:17,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:36:17,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:17,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:36:17,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:17,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:17,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:17,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 22:36:17,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:17,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:36:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:17,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:17,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:17,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:36:17,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:17,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:36:17,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:17,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:17,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:17,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 22:36:17,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:17,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:36:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:17,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:17,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:17,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:17,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:17,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 22:36:17,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:17,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:17,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:17,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:36:17,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:17,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:36:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:17,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:17,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:17,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:36:17,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:17,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:36:17,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:17,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:17,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:17,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 22:36:17,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:17,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:36:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:17,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:17,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:17,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:36:17,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:17,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:36:17,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:17,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:17,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:17,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 22:36:17,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:17,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 22:36:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:17,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:17,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:17,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 22:36:17,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:17,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:36:17,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:17,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:17,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:17,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 22:36:17,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:17,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:36:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:17,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:17,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:17,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:17,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:17,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:17,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:17,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:17,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:17,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:17,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:17,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 22:36:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:17,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:17,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:17,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 22:36:17,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:17,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-24 22:36:17,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:17,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:17,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 22:36:17,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 22:36:17,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:17,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:36:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:17,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:17,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:17,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:36:17,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:17,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 22:36:17,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:17,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:17,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:17,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 22:36:17,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:17,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:36:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:17,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:17,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:17,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:36:17,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:17,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 22:36:17,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:17,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:17,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:17,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:36:17,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:17,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:36:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:17,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:17,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:17,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:36:17,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:17,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:36:17,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:17,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:17,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:17,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 22:36:17,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:17,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:36:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:17,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:17,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:17,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:36:17,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:17,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 22:36:17,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:17,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:36:17,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:17,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 22:36:17,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:17,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:36:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:17,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:17,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:17,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:36:17,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:17,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:17,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:17,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:17,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:17,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:17,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:17,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:36:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:17,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:17,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:17,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:17,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:17,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:36:17,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:17,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:17,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:17,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:17,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:17,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:36:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:17,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:17,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:17,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:36:17,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:17,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:17,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:17,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:17,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:36:17,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:17,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:17,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-24 22:36:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:17,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:17,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:17,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:17,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:17,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:17,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:17,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:17,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:36:17,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:17,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:17,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-24 22:36:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:36:17,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:36:17,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:36:17,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:36:17,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:36:17,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:36:17,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:36:17,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:36:17,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:36:17,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:36:17,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:36:17,732 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 22:36:17,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1568713266] [2020-09-24 22:36:17,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:36:17,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 22:36:17,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799501684] [2020-09-24 22:36:17,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 22:36:17,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:36:17,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 22:36:17,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 22:36:17,735 INFO L87 Difference]: Start difference. First operand 632 states and 712 transitions. Second operand 7 states.