/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:45:06,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:45:06,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:45:06,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:45:06,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:45:06,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:45:06,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:45:06,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:45:06,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:45:06,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:45:06,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:45:06,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:45:06,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:45:06,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:45:06,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:45:06,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:45:06,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:45:06,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:45:07,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:45:07,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:45:07,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:45:07,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:45:07,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:45:07,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:45:07,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:45:07,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:45:07,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:45:07,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:45:07,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:45:07,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:45:07,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:45:07,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:45:07,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:45:07,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:45:07,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:45:07,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:45:07,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:45:07,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:45:07,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:45:07,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:45:07,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:45:07,022 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 08:45:07,058 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:45:07,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:45:07,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:45:07,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:45:07,060 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:45:07,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:45:07,061 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:45:07,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:45:07,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:45:07,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:45:07,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:45:07,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:45:07,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:45:07,062 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:45:07,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:45:07,062 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:45:07,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:45:07,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:45:07,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:45:07,063 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:45:07,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:45:07,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:45:07,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:45:07,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:45:07,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:45:07,065 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:45:07,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:45:07,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:45:07,065 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:45:07,065 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-09-25 08:45:07,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:45:07,549 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:45:07,554 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:45:07,555 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:45:07,556 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:45:07,557 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product35.cil.c [2020-09-25 08:45:07,651 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3ab31322c/ad3648ea53ac4f5ab44405431338d021/FLAG8244278dc [2020-09-25 08:45:08,259 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:45:08,260 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product35.cil.c [2020-09-25 08:45:08,277 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3ab31322c/ad3648ea53ac4f5ab44405431338d021/FLAG8244278dc [2020-09-25 08:45:08,524 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3ab31322c/ad3648ea53ac4f5ab44405431338d021 [2020-09-25 08:45:08,538 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:45:08,545 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:45:08,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:45:08,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:45:08,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:45:08,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:45:08" (1/1) ... [2020-09-25 08:45:08,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b134fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:08, skipping insertion in model container [2020-09-25 08:45:08,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:45:08" (1/1) ... [2020-09-25 08:45:08,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:45:08,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:45:09,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:45:09,117 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:45:09,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:45:09,244 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:45:09,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:09 WrapperNode [2020-09-25 08:45:09,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:45:09,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:45:09,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:45:09,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:45:09,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:09" (1/1) ... [2020-09-25 08:45:09,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:09" (1/1) ... [2020-09-25 08:45:09,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:09" (1/1) ... [2020-09-25 08:45:09,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:09" (1/1) ... [2020-09-25 08:45:09,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:09" (1/1) ... [2020-09-25 08:45:09,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:09" (1/1) ... [2020-09-25 08:45:09,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:09" (1/1) ... [2020-09-25 08:45:09,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:45:09,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:45:09,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:45:09,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:45:09,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:45:09,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:45:09,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:45:09,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 08:45:09,459 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 08:45:09,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 08:45:09,459 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 08:45:09,459 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 08:45:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 08:45:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 08:45:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 08:45:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 08:45:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 08:45:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 08:45:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 08:45:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 08:45:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 08:45:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 08:45:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 08:45:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 08:45:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:45:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 08:45:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 08:45:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 08:45:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 08:45:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 08:45:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 08:45:09,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 08:45:09,464 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 08:45:09,464 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 08:45:09,464 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 08:45:09,464 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 08:45:09,464 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 08:45:09,465 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 08:45:09,465 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 08:45:09,465 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 08:45:09,465 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 08:45:09,465 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 08:45:09,465 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 08:45:09,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:45:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:45:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 08:45:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 08:45:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 08:45:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 08:45:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 08:45:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 08:45:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 08:45:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 08:45:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 08:45:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 08:45:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 08:45:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 08:45:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 08:45:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 08:45:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 08:45:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 08:45:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 08:45:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 08:45:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 08:45:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 08:45:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 08:45:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 08:45:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:45:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 08:45:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 08:45:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 08:45:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 08:45:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 08:45:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 08:45:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:45:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 08:45:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:45:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:45:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 08:45:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:45:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:45:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:45:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:45:09,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 08:45:09,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:45:09,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 08:45:09,472 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 08:45:09,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:45:09,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 08:45:09,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 08:45:09,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 08:45:09,473 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 08:45:09,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:45:09,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:45:09,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:45:10,742 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:45:10,742 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 08:45:10,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:45:10 BoogieIcfgContainer [2020-09-25 08:45:10,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:45:10,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:45:10,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:45:10,757 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:45:10,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:45:08" (1/3) ... [2020-09-25 08:45:10,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61bdd7d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:45:10, skipping insertion in model container [2020-09-25 08:45:10,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:09" (2/3) ... [2020-09-25 08:45:10,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61bdd7d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:45:10, skipping insertion in model container [2020-09-25 08:45:10,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:45:10" (3/3) ... [2020-09-25 08:45:10,762 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product35.cil.c [2020-09-25 08:45:10,774 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:45:10,790 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:45:10,815 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:45:10,849 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:45:10,850 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:45:10,850 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:45:10,850 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:45:10,850 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:45:10,850 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:45:10,850 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:45:10,851 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:45:10,880 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states. [2020-09-25 08:45:10,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 08:45:10,899 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:45:10,901 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:45:10,902 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:45:10,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:45:10,913 INFO L82 PathProgramCache]: Analyzing trace with hash 808133404, now seen corresponding path program 1 times [2020-09-25 08:45:10,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:45:10,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [992128978] [2020-09-25 08:45:10,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:45:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:11,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:11,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:13,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:14,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:16,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:16,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 08:45:16,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:45:16,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 08:45:16,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:16,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:16,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:16,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 08:45:16,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:16,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 08:45:16,794 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:45:16,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:45:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:16,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:16,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:16,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:45:16,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:16,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-09-25 08:45:16,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:16,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:16,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:16,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:16,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:16,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:17,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:45:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:17,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:17,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:17,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:17,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:17,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:17,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:17,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:17,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:17,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:17,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:17,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:17,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:45:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:17,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:17,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:17,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:17,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:17,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:17,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:17,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:17,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:17,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:17,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:17,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:17,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:45:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:17,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:17,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:17,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:17,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:17,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:45:17,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:17,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:17,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:17,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:17,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:17,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:17,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:45:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:17,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:17,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:17,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:17,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:17,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:45:17,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:17,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:17,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:17,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:17,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:17,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:45:17,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 08:45:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:17,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:17,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:17,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:17,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:17,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:45:17,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:17,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:17,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:17,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:17,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:17,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:45:17,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:45:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:17,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:17,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:17,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:17,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:17,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:45:17,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:17,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:17,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:17,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:17,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:17,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:17,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:45:17,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [992128978] [2020-09-25 08:45:17,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:45:17,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 08:45:17,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7736087] [2020-09-25 08:45:17,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 08:45:17,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:45:17,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 08:45:17,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 08:45:17,249 INFO L87 Difference]: Start difference. First operand 287 states. Second operand 3 states. [2020-09-25 08:45:18,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:45:18,849 INFO L93 Difference]: Finished difference Result 439 states and 524 transitions. [2020-09-25 08:45:18,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 08:45:18,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 08:45:18,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:45:18,873 INFO L225 Difference]: With dead ends: 439 [2020-09-25 08:45:18,873 INFO L226 Difference]: Without dead ends: 277 [2020-09-25 08:45:18,879 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 08:45:18,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-09-25 08:45:19,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 236. [2020-09-25 08:45:19,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-09-25 08:45:19,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 255 transitions. [2020-09-25 08:45:19,097 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 255 transitions. Word has length 142 [2020-09-25 08:45:19,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:45:19,102 INFO L479 AbstractCegarLoop]: Abstraction has 236 states and 255 transitions. [2020-09-25 08:45:19,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 08:45:19,102 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 255 transitions. [2020-09-25 08:45:19,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 08:45:19,110 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:45:19,111 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:45:19,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:45:19,111 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:45:19,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:45:19,112 INFO L82 PathProgramCache]: Analyzing trace with hash 730102889, now seen corresponding path program 1 times [2020-09-25 08:45:19,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:45:19,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1631780437] [2020-09-25 08:45:19,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:45:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:19,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:19,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:20,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:21,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:23,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:24,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:24,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 08:45:24,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:45:24,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 08:45:24,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:24,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:24,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:24,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 08:45:24,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:45:24,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:24,487 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:45:24,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:45:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:24,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:24,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:24,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:45:24,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:24,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-25 08:45:24,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:24,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:24,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:24,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:24,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:24,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:24,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:45:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:24,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:24,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:24,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:24,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:24,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:24,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:24,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:24,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:24,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:24,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:24,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:24,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:45:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:24,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:24,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:24,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:24,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:24,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:24,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:24,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:24,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:24,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:24,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:24,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:24,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:45:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:24,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:24,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:24,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:24,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:24,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:45:24,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:24,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:24,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:24,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:24,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:24,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:24,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:45:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:24,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:24,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:24,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:24,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:24,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:45:24,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:24,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:24,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:24,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:24,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:24,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:45:24,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 08:45:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:24,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:24,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:24,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:24,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:24,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:24,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:24,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:24,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:24,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:24,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:24,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:24,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 08:45:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:24,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:24,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:24,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:24,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:24,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:24,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:24,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:24,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:24,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:24,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:24,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:24,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:45:24,737 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1631780437] [2020-09-25 08:45:24,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:45:24,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:45:24,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693217510] [2020-09-25 08:45:24,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:45:24,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:45:24,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:45:24,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:45:24,741 INFO L87 Difference]: Start difference. First operand 236 states and 255 transitions. Second operand 4 states. [2020-09-25 08:45:25,581 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:45:26,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:45:26,440 INFO L93 Difference]: Finished difference Result 347 states and 389 transitions. [2020-09-25 08:45:26,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 08:45:26,441 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 08:45:26,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:45:26,444 INFO L225 Difference]: With dead ends: 347 [2020-09-25 08:45:26,445 INFO L226 Difference]: Without dead ends: 260 [2020-09-25 08:45:26,447 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:45:26,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-09-25 08:45:26,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 226. [2020-09-25 08:45:26,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-09-25 08:45:26,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 242 transitions. [2020-09-25 08:45:26,487 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 242 transitions. Word has length 143 [2020-09-25 08:45:26,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:45:26,487 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 242 transitions. [2020-09-25 08:45:26,487 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:45:26,487 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 242 transitions. [2020-09-25 08:45:26,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-25 08:45:26,490 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:45:26,490 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:45:26,491 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:45:26,491 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:45:26,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:45:26,491 INFO L82 PathProgramCache]: Analyzing trace with hash 807408229, now seen corresponding path program 1 times [2020-09-25 08:45:26,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:45:26,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [956685068] [2020-09-25 08:45:26,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:45:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:26,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:27,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:28,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:28,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:31,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:31,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 08:45:31,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:45:31,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-09-25 08:45:31,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:31,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:31,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 08:45:31,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 08:45:31,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-25 08:45:31,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:31,884 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:45:31,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:45:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:31,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:32,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:32,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:45:32,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:32,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-09-25 08:45:32,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:32,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:32,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:32,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:32,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 08:45:32,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:32,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:45:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:32,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:32,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:32,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:32,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:32,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:32,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:32,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:32,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:32,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:32,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:45:32,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:32,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:45:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:32,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:32,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:32,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:32,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:32,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:45:32,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:32,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:32,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:32,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:32,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:45:32,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:32,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:45:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:32,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:32,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:32,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:32,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:32,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:45:32,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:32,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:32,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:32,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:32,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:45:32,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:32,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:45:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:32,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:32,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:32,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:32,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:32,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:32,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:32,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:32,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:32,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:32,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:45:32,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:32,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:45:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:32,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:32,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:32,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:32,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:32,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:32,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:32,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:32,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:32,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:32,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:32,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:32,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 08:45:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:32,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:32,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:32,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:32,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:32,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:32,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:32,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:32,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:32,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:32,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:32,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:32,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:45:32,281 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [956685068] [2020-09-25 08:45:32,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:45:32,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:45:32,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341605966] [2020-09-25 08:45:32,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:45:32,286 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:45:32,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:45:32,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:45:32,288 INFO L87 Difference]: Start difference. First operand 226 states and 242 transitions. Second operand 4 states. [2020-09-25 08:45:32,940 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:45:34,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:45:34,292 INFO L93 Difference]: Finished difference Result 502 states and 571 transitions. [2020-09-25 08:45:34,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 08:45:34,295 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 152 [2020-09-25 08:45:34,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:45:34,299 INFO L225 Difference]: With dead ends: 502 [2020-09-25 08:45:34,299 INFO L226 Difference]: Without dead ends: 386 [2020-09-25 08:45:34,301 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:45:34,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2020-09-25 08:45:34,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 330. [2020-09-25 08:45:34,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2020-09-25 08:45:34,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 361 transitions. [2020-09-25 08:45:34,379 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 361 transitions. Word has length 152 [2020-09-25 08:45:34,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:45:34,380 INFO L479 AbstractCegarLoop]: Abstraction has 330 states and 361 transitions. [2020-09-25 08:45:34,380 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:45:34,380 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 361 transitions. [2020-09-25 08:45:34,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 08:45:34,383 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:45:34,383 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:45:34,383 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:45:34,383 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:45:34,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:45:34,384 INFO L82 PathProgramCache]: Analyzing trace with hash -501763232, now seen corresponding path program 1 times [2020-09-25 08:45:34,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:45:34,384 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2096380080] [2020-09-25 08:45:34,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:45:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:34,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:34,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:35,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:37,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:38,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:39,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:39,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-25 08:45:39,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:45:39,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-09-25 08:45:39,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:39,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:39,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 08:45:39,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 08:45:39,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-25 08:45:39,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:45:39,759 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:45:39,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:45:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:39,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:39,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:39,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:45:39,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:39,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-25 08:45:39,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:39,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:39,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:39,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:39,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:39,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:45:39,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:45:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:39,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:39,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:39,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:39,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:39,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:39,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:39,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:39,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:39,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:39,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:39,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:45:39,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:45:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:39,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:39,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:39,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:39,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:39,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:39,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:39,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:39,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:39,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:39,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:39,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:39,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:45:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:39,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:39,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:39,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:39,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:39,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:39,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:39,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:39,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:39,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:39,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:39,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:39,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:45:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:39,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:39,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:39,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:39,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:39,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:45:39,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:39,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:39,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:39,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:39,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:39,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:39,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 08:45:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:39,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:39,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:39,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:39,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 08:45:39,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:45:39,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:45:39,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:39,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:39,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:45:39,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 08:45:39,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 08:45:39,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:39,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:45:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:39,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:39,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:39,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:39,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:39,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:39,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:39,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:39,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:39,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:39,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:45:39,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:39,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 08:45:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:39,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:39,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:40,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:40,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:40,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:40,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:40,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:40,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:40,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:40,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:45:40,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:45:40,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:45:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:40,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:40,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:40,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:40,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:40,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 08:45:40,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:40,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:40,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:45:40,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:40,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:45:40,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:45:40,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:45:40,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2096380080] [2020-09-25 08:45:40,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:45:40,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 08:45:40,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757371644] [2020-09-25 08:45:40,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 08:45:40,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:45:40,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 08:45:40,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:45:40,119 INFO L87 Difference]: Start difference. First operand 330 states and 361 transitions. Second operand 10 states. [2020-09-25 08:45:40,693 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:45:42,332 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 08:45:42,942 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 08:45:43,315 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:43,695 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:45:44,035 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:44,563 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:45:44,887 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 08:45:45,199 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:45:45,870 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 187 [2020-09-25 08:45:46,953 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2020-09-25 08:45:47,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:45:47,559 INFO L93 Difference]: Finished difference Result 933 states and 1123 transitions. [2020-09-25 08:45:47,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 08:45:47,560 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 160 [2020-09-25 08:45:47,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:45:47,566 INFO L225 Difference]: With dead ends: 933 [2020-09-25 08:45:47,566 INFO L226 Difference]: Without dead ends: 713 [2020-09-25 08:45:47,570 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=144, Invalid=506, Unknown=0, NotChecked=0, Total=650 [2020-09-25 08:45:47,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2020-09-25 08:45:47,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 525. [2020-09-25 08:45:47,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 525 states. [2020-09-25 08:45:47,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 576 transitions. [2020-09-25 08:45:47,655 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 576 transitions. Word has length 160 [2020-09-25 08:45:47,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:45:47,656 INFO L479 AbstractCegarLoop]: Abstraction has 525 states and 576 transitions. [2020-09-25 08:45:47,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 08:45:47,656 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 576 transitions. [2020-09-25 08:45:47,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-09-25 08:45:47,659 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:45:47,659 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:45:47,659 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:45:47,660 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:45:47,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:45:47,660 INFO L82 PathProgramCache]: Analyzing trace with hash -20316787, now seen corresponding path program 1 times [2020-09-25 08:45:47,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:45:47,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1864690480] [2020-09-25 08:45:47,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:45:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:47,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:48,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:52,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:52,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-09-25 08:45:52,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:45:52,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-09-25 08:45:52,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:52,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:52,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:45:52,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 172 [2020-09-25 08:45:52,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:45:52,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:53,037 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:45:53,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:45:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:53,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:53,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:53,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:45:53,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:53,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-25 08:45:53,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:53,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:53,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:53,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:53,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:53,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:53,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:45:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:53,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:53,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:53,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:53,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:53,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:45:53,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:53,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:53,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:53,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:53,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:53,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:45:53,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:45:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:53,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:53,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:53,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:53,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:53,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:45:53,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:53,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:53,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:53,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:53,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:53,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:53,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:45:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:53,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:53,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:53,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:53,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:53,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:53,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:53,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:53,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:53,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:53,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:53,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:45:53,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:45:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:53,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:53,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:53,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:53,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:53,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:45:53,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:53,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:53,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:53,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:53,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:53,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:53,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 08:45:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:53,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:53,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:53,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 08:45:53,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:53,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 08:45:53,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:53,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:53,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:45:53,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 08:45:53,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:45:53,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:53,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:45:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:53,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:53,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:53,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:45:53,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:53,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-25 08:45:53,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:53,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:53,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:45:53,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:53,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 08:45:53,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:53,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:45:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:53,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:53,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:53,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:45:53,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:53,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:45:53,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:53,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:53,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:53,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:53,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:53,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:53,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 08:45:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:53,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:53,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:53,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:45:53,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:53,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:53,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:53,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:53,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:53,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 08:45:53,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:53,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:53,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-25 08:45:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:53,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:53,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:53,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:53,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:53,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:53,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:53,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:53,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:53,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:53,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:53,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:45:53,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-25 08:45:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:53,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:53,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:53,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:53,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:53,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:45:53,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:53,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:53,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:53,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:53,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:53,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:45:53,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:45:53,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1864690480] [2020-09-25 08:45:53,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:45:53,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 08:45:53,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538699629] [2020-09-25 08:45:53,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 08:45:53,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:45:53,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 08:45:53,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 08:45:53,423 INFO L87 Difference]: Start difference. First operand 525 states and 576 transitions. Second operand 9 states.