/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 --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 interpolation-heuristic=FIRST --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_spec1_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:03:53,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:03:53,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:03:53,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:03:53,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:03:53,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:03:53,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:03:53,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:03:53,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:03:53,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:03:53,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:03:53,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:03:53,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:03:53,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:03:53,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:03:53,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:03:53,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:03:53,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:03:53,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:03:53,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:03:53,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:03:53,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:03:53,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:03:53,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:03:53,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:03:53,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:03:53,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:03:53,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:03:53,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:03:53,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:03:53,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:03:53,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:03:53,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:03:53,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:03:53,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:03:53,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:03:53,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:03:53,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:03:53,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:03:53,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:03:53,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:03:53,978 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 [2020-09-21 11:03:54,012 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:03:54,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:03:54,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:03:54,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:03:54,015 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:03:54,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:03:54,016 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:03:54,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:03:54,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:03:54,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:03:54,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:03:54,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:03:54,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:03:54,017 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:03:54,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:03:54,017 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:03:54,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:03:54,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:03:54,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:03:54,018 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:03:54,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:03:54,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:03:54,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:03:54,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:03:54,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:03:54,020 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:03:54,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:03:54,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:03:54,020 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:03:54,020 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.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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:03:54,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:03:54,517 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:03:54,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:03:54,526 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:03:54,526 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:03:54,527 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product26.cil.c [2020-09-21 11:03:54,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8fef07f51/11ad814b0ca94600badfca2ef9638025/FLAG4ad0b2dca [2020-09-21 11:03:55,256 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:03:55,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product26.cil.c [2020-09-21 11:03:55,273 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8fef07f51/11ad814b0ca94600badfca2ef9638025/FLAG4ad0b2dca [2020-09-21 11:03:55,502 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8fef07f51/11ad814b0ca94600badfca2ef9638025 [2020-09-21 11:03:55,515 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:03:55,521 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:03:55,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:03:55,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:03:55,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:03:55,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:03:55" (1/1) ... [2020-09-21 11:03:55,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:55, skipping insertion in model container [2020-09-21 11:03:55,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:03:55" (1/1) ... [2020-09-21 11:03:55,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:03:55,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:03:56,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:03:56,158 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:03:56,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:03:56,316 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:03:56,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:56 WrapperNode [2020-09-21 11:03:56,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:03:56,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:03:56,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:03:56,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:03:56,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:56" (1/1) ... [2020-09-21 11:03:56,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:56" (1/1) ... [2020-09-21 11:03:56,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:56" (1/1) ... [2020-09-21 11:03:56,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:56" (1/1) ... [2020-09-21 11:03:56,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:56" (1/1) ... [2020-09-21 11:03:56,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:56" (1/1) ... [2020-09-21 11:03:56,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:56" (1/1) ... [2020-09-21 11:03:56,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:03:56,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:03:56,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:03:56,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:03:56,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:56" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:03:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:03:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:03:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:03:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:03:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:03:56,538 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:03:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:03:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:03:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:03:56,541 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:03:56,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:03:56,541 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:03:56,541 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:03:56,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:03:56,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:03:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:03:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:03:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:03:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:03:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:03:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:03:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:03:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:03:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:03:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:03:56,546 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:03:56,546 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:03:56,546 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:03:56,547 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:03:56,547 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:03:56,547 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:03:56,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:03:56,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:03:56,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:03:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:03:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:03:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:03:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:03:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:03:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:03:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:03:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:03:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:03:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:03:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:03:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:03:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:03:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:03:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:03:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:03:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:03:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:03:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:03:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:03:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:03:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:03:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:03:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:03:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:03:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:03:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:03:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:03:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:03:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:03:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:03:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:03:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:03:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:03:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:03:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:03:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:03:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:03:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:03:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:03:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:03:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:03:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:03:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:03:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:03:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:03:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:03:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:03:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:03:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:03:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:03:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:03:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:03:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:03:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:03:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:03:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:03:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:03:59,789 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:03:59,789 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:03:59,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:03:59 BoogieIcfgContainer [2020-09-21 11:03:59,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:03:59,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:03:59,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:03:59,800 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:03:59,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:03:55" (1/3) ... [2020-09-21 11:03:59,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ec6c61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:03:59, skipping insertion in model container [2020-09-21 11:03:59,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:56" (2/3) ... [2020-09-21 11:03:59,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ec6c61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:03:59, skipping insertion in model container [2020-09-21 11:03:59,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:03:59" (3/3) ... [2020-09-21 11:03:59,805 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product26.cil.c [2020-09-21 11:03:59,817 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:03:59,826 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:03:59,846 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:03:59,871 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:03:59,871 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:03:59,872 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:03:59,872 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:03:59,872 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:03:59,872 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:03:59,872 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:03:59,872 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:03:59,899 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2020-09-21 11:03:59,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:03:59,910 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:59,911 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] [2020-09-21 11:03:59,912 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:59,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:59,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1366605273, now seen corresponding path program 1 times [2020-09-21 11:03:59,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:59,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1585722929] [2020-09-21 11:03:59,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:04:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:00,225 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:00,225 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:00,225 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:00,226 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:00,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:04:00,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:00,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:04:00,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:00,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:00,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:04:00,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:00,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:00,652 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:04:00,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:04:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:00,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:00,667 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:00,667 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:00,667 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:00,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:00,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:00,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:00,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:00,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:00,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:00,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:00,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:00,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:04:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:00,728 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:00,728 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:00,728 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:00,729 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:00,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:00,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:00,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:00,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:00,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:00,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:00,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:00,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:00,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:04:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:00,734 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:00,735 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:00,735 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:00,735 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:00,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:00,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:00,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:00,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:00,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:00,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:00,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:00,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:00,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:04:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:00,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:00,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:00,742 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:00,743 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:00,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:00,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:00,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:00,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:00,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:00,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:00,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:00,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:00,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:04:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:00,750 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:00,750 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:00,751 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:00,751 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:00,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:00,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:00,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:00,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:00,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:00,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:00,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:00,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:00,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:04:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:00,758 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:00,758 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:00,758 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:00,759 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:00,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:00,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:00,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:00,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:00,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:00,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:04:00,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:00,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:00,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:04:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:00,766 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:00,766 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:00,766 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:00,767 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:00,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:00,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:00,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:00,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:00,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:00,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:04:00,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:00,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:00,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:04:00,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1585722929] [2020-09-21 11:04:00,789 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:04:00,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:04:00,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755156839] [2020-09-21 11:04:00,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:04:00,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:04:00,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:04:00,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:04:00,820 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 3 states. [2020-09-21 11:04:01,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:04:01,907 INFO L93 Difference]: Finished difference Result 256 states and 337 transitions. [2020-09-21 11:04:01,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:04:01,909 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:04:01,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:04:01,926 INFO L225 Difference]: With dead ends: 256 [2020-09-21 11:04:01,927 INFO L226 Difference]: Without dead ends: 139 [2020-09-21 11:04:01,934 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:04:01,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-09-21 11:04:02,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 108. [2020-09-21 11:04:02,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-09-21 11:04:02,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 125 transitions. [2020-09-21 11:04:02,047 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 125 transitions. Word has length 46 [2020-09-21 11:04:02,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:04:02,049 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 125 transitions. [2020-09-21 11:04:02,049 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:04:02,050 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2020-09-21 11:04:02,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:04:02,055 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:04:02,055 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] [2020-09-21 11:04:02,056 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:04:02,056 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:04:02,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:04:02,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1231838071, now seen corresponding path program 1 times [2020-09-21 11:04:02,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:04:02,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2126242026] [2020-09-21 11:04:02,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:04:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:02,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:02,177 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:02,177 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:02,178 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:02,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:04:02,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:02,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:04:02,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:02,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:02,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:04:02,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:04:02,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:02,506 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:04:02,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:04:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:02,515 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:02,515 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:02,516 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:02,516 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:02,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:02,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:02,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:02,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:02,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:02,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:02,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:02,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:02,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:04:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:02,553 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:02,553 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:02,554 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:02,554 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:02,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:02,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:02,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:02,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:02,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:02,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:02,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:02,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:02,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:04:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:02,558 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:02,559 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:02,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:02,559 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:02,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:02,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:02,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:02,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:02,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:02,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:02,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:02,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:02,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:04:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:02,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:02,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:02,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:02,564 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:02,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:02,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:02,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:02,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:02,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:02,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:02,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:02,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:02,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:04:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:02,570 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:02,571 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:02,571 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:02,571 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:02,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:02,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:02,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:02,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:02,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:02,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:02,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:02,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:02,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:04:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:02,576 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:02,576 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:02,576 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:02,576 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:02,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:02,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:02,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:02,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:02,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:02,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:04:02,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:02,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:02,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:04:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:02,582 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:02,582 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:02,582 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:02,582 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:02,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:02,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:02,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:02,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:02,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:02,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:04:02,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:02,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:02,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:04:02,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2126242026] [2020-09-21 11:04:02,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:04:02,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:04:02,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975420580] [2020-09-21 11:04:02,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:04:02,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:04:02,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:04:02,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:04:02,595 INFO L87 Difference]: Start difference. First operand 108 states and 125 transitions. Second operand 4 states. [2020-09-21 11:04:03,099 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:03,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:04:03,801 INFO L93 Difference]: Finished difference Result 185 states and 224 transitions. [2020-09-21 11:04:03,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:04:03,804 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:04:03,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:04:03,807 INFO L225 Difference]: With dead ends: 185 [2020-09-21 11:04:03,807 INFO L226 Difference]: Without dead ends: 123 [2020-09-21 11:04:03,809 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 [2020-09-21 11:04:03,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-09-21 11:04:03,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2020-09-21 11:04:03,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-09-21 11:04:03,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2020-09-21 11:04:03,840 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 47 [2020-09-21 11:04:03,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:04:03,841 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2020-09-21 11:04:03,841 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:04:03,841 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2020-09-21 11:04:03,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:04:03,843 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:04:03,843 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] [2020-09-21 11:04:03,843 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:04:03,844 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:04:03,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:04:03,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1636281737, now seen corresponding path program 1 times [2020-09-21 11:04:03,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:04:03,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1458590563] [2020-09-21 11:04:03,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:04:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:04,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:04:04,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:04,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:04,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:04,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:04:04,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:04,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 417 [2020-09-21 11:04:04,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:04,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:04:04,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:04:04,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:04:04,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:04,625 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:04:04,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:04:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:04,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:04,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:04,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:04,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:04,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:04,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:04,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-21 11:04:04,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:04,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:04,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:04,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:04:04,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:04,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:04:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:04,809 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:04,809 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:04,809 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:04,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:04,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:04,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:04,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:04,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:04,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:04,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:04,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:04:04,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:04,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:04:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:04,815 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:04,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:04,815 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:04,816 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:04,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:04,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:04,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:04,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:04,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:04,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:04,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:04:04,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:04,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:04:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:04,822 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:04,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:04,822 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:04,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:04,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:04,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:04,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:04,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:04,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:04,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:04,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:04:04,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:04,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:04:04,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:04,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:04,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:04,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:04,830 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:04,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:04,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:04,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:04,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:04,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:04,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:04,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:04:04,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:04,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:04:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:04,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:04,835 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:04,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:04,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:04,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:04,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:04,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:04,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:04,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:04,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:04:04,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:04,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:04,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:04:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:04,840 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:04,840 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:04,841 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:04,841 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:04,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:04,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:04,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:04,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:04,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:04,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:04:04,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:04,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:04,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:04:04,850 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1458590563] [2020-09-21 11:04:04,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:04:04,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:04:04,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668189128] [2020-09-21 11:04:04,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:04:04,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:04:04,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:04:04,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:04:04,852 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 4 states. [2020-09-21 11:04:05,223 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:05,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:04:05,872 INFO L93 Difference]: Finished difference Result 198 states and 242 transitions. [2020-09-21 11:04:05,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:04:05,873 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 11:04:05,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:04:05,876 INFO L225 Difference]: With dead ends: 198 [2020-09-21 11:04:05,876 INFO L226 Difference]: Without dead ends: 123 [2020-09-21 11:04:05,877 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:04:05,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-09-21 11:04:05,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2020-09-21 11:04:05,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-09-21 11:04:05,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2020-09-21 11:04:05,932 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 112 transitions. Word has length 52 [2020-09-21 11:04:05,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:04:05,932 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 112 transitions. [2020-09-21 11:04:05,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:04:05,933 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2020-09-21 11:04:05,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 11:04:05,935 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:04:05,935 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] [2020-09-21 11:04:05,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:04:05,935 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:04:05,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:04:05,936 INFO L82 PathProgramCache]: Analyzing trace with hash -792459520, now seen corresponding path program 1 times [2020-09-21 11:04:05,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:04:05,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1114755600] [2020-09-21 11:04:05,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:04:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:06,274 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:06,275 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:06,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:06,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:06,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-21 11:04:06,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:06,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-09-21 11:04:06,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:06,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:04:06,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:04:06,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-21 11:04:06,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:06,673 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:04:06,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:04:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:06,763 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:06,764 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:06,764 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:06,765 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:06,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:06,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:06,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-21 11:04:06,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:06,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:06,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:06,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:04:06,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:06,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:04:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:06,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:06,819 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:06,819 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:06,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:06,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:06,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:06,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:06,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:06,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:06,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:06,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:04:06,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:06,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:04:06,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:06,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:06,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:06,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:06,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:06,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:06,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:06,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:06,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:06,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:06,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:06,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:04:06,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:06,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:04:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:06,832 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:06,832 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:06,832 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:06,833 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:06,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:06,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:06,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:06,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:06,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:06,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:06,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:04:06,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:06,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:04:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:06,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:06,840 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:06,840 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:06,840 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:06,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:06,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:06,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:06,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:06,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:06,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:06,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:04:06,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:06,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:04:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:06,861 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:06,862 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:06,862 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:06,863 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:06,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:04:06,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:06,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:04:06,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:06,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:06,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:06,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:04:06,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:06,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:04:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:06,871 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:06,871 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:06,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:06,872 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:06,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:06,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:06,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:06,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:06,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:06,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:06,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:06,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:06,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 11:04:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:06,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:06,884 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:06,884 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:06,884 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:06,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:06,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:06,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:04:06,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:06,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:04:06,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:06,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:04:06,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:06,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-21 11:04:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:06,908 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:06,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:06,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:06,910 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:06,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:06,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:06,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:06,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:06,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:04:06,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:04:06,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:04:06,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:06,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:04:06,931 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1114755600] [2020-09-21 11:04:06,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:04:06,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:04:06,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091034804] [2020-09-21 11:04:06,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:04:06,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:04:06,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:04:06,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:04:06,935 INFO L87 Difference]: Start difference. First operand 99 states and 112 transitions. Second operand 8 states. [2020-09-21 11:04:07,712 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:08,846 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:09,258 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:09,567 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:09,881 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:10,318 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:04:11,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:04:11,108 INFO L93 Difference]: Finished difference Result 309 states and 402 transitions. [2020-09-21 11:04:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:04:11,109 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-09-21 11:04:11,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:04:11,117 INFO L225 Difference]: With dead ends: 309 [2020-09-21 11:04:11,121 INFO L226 Difference]: Without dead ends: 234 [2020-09-21 11:04:11,124 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:04:11,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-09-21 11:04:11,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 165. [2020-09-21 11:04:11,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-09-21 11:04:11,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 190 transitions. [2020-09-21 11:04:11,207 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 190 transitions. Word has length 60 [2020-09-21 11:04:11,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:04:11,209 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 190 transitions. [2020-09-21 11:04:11,209 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:04:11,209 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 190 transitions. [2020-09-21 11:04:11,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 11:04:11,216 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:04:11,217 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] [2020-09-21 11:04:11,217 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:04:11,217 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:04:11,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:04:11,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1274091964, now seen corresponding path program 1 times [2020-09-21 11:04:11,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:04:11,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1454228703] [2020-09-21 11:04:11,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:04:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:11,729 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:11,730 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:11,730 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:11,730 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:11,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 11:04:11,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:11,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 449 [2020-09-21 11:04:11,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:11,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:04:11,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:04:11,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-21 11:04:11,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:12,012 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:04:12,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:04:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:12,076 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:12,076 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:12,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:12,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:12,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:12,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:12,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 11:04:12,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:12,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:12,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:12,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:04:12,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:12,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:04:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:12,114 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:12,114 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:12,114 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:12,115 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:12,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:12,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:12,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:04:12,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:12,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:12,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:12,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:04:12,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:12,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:04:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:12,121 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:12,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:12,122 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:12,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:12,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:12,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:12,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:12,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:12,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:12,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:12,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:04:12,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:12,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:04:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:12,128 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:12,128 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:12,128 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:12,128 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:12,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:12,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:12,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:12,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:12,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:12,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:12,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:04:12,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:12,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:04:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:12,134 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:12,134 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:12,135 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:12,135 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:12,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:12,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:12,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:04:12,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:12,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:12,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:12,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:04:12,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:12,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:04:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:12,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:12,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:12,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:12,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:12,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:12,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:12,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:04:12,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:12,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:12,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:12,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:04:12,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:12,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:04:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:12,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:12,180 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:12,180 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:12,181 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:12,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:04:12,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:12,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:12,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:12,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:12,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:12,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:04:12,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:12,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:04:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:12,189 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:12,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:12,190 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:12,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:12,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:04:12,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:12,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:04:12,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:12,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:12,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:12,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:04:12,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:12,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:04:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:12,196 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:12,197 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:12,197 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:12,197 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:12,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:12,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:12,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:04:12,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:12,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:04:12,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:12,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:04:12,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:04:12,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:04:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:04:12,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:04:12,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:04:12,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:04:12,208 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:04:12,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:04:12,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:04:12,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:04:12,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:04:12,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:04:12,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:04:12,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:04:12,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:04:12,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:04:12,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1454228703] [2020-09-21 11:04:12,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:04:12,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:04:12,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034093871] [2020-09-21 11:04:12,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:04:12,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:04:12,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:04:12,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:04:12,240 INFO L87 Difference]: Start difference. First operand 165 states and 190 transitions. Second operand 9 states. [2020-09-21 11:04:12,817 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:04:13,740 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:14,040 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:14,353 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:14,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:04:14,573 INFO L93 Difference]: Finished difference Result 291 states and 358 transitions. [2020-09-21 11:04:14,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:04:14,574 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-09-21 11:04:14,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:04:14,574 INFO L225 Difference]: With dead ends: 291 [2020-09-21 11:04:14,575 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:04:14,577 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:04:14,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:04:14,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:04:14,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:04:14,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:04:14,578 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2020-09-21 11:04:14,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:04:14,579 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:04:14,579 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:04:14,579 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:04:14,579 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:04:14,579 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:04:14,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:04:14,762 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:14,920 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:15,087 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:15,386 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:04:15,746 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 11:04:16,018 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:04:16,289 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:04:16,454 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:16,614 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:16,773 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:16,937 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:17,091 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:17,245 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:17,399 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:17,562 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:17,739 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:17,901 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:18,060 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:18,215 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:18,370 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:18,510 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:04:18,672 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:18,820 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:18,973 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:19,127 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:19,280 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:19,429 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:19,580 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:19,740 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:19,889 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:20,042 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:20,194 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:20,347 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:20,816 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 12 [2020-09-21 11:04:20,969 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:21,119 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:21,274 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:21,427 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:21,874 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 12 [2020-09-21 11:04:22,330 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 12 [2020-09-21 11:04:22,493 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:22,654 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:22,807 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:23,075 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:04:23,408 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 11:04:23,690 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:04:23,955 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-21 11:04:24,407 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 12 [2020-09-21 11:04:24,559 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:24,711 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:24,860 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:25,016 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:25,169 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:25,336 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:04:25,487 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:04:25,938 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 12 [2020-09-21 11:04:26,354 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-09-21 11:04:26,580 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:27,004 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-09-21 11:04:27,215 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:04:27,449 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:04:27,863 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-09-21 11:04:28,088 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:28,500 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-09-21 11:04:28,710 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:28,997 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:04:29,409 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-09-21 11:04:29,833 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-09-21 11:04:30,263 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-09-21 11:04:30,523 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:30,771 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:30,981 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:31,385 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-09-21 11:04:31,643 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:31,849 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:04:32,068 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:04:32,274 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 11:04:32,308 INFO L268 CegarLoopResult]: For program point L565(lines 565 569) no Hoare annotation was computed. [2020-09-21 11:04:32,309 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 569) no Hoare annotation was computed. [2020-09-21 11:04:32,309 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 534 589) no Hoare annotation was computed. [2020-09-21 11:04:32,309 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-09-21 11:04:32,309 INFO L268 CegarLoopResult]: For program point L559-2(lines 559 580) no Hoare annotation was computed. [2020-09-21 11:04:32,309 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 534 589) no Hoare annotation was computed. [2020-09-21 11:04:32,309 INFO L268 CegarLoopResult]: For program point L581(lines 558 582) no Hoare annotation was computed. [2020-09-21 11:04:32,309 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 534 589) no Hoare annotation was computed. [2020-09-21 11:04:32,309 INFO L268 CegarLoopResult]: For program point L635(line 635) no Hoare annotation was computed. [2020-09-21 11:04:32,310 INFO L268 CegarLoopResult]: For program point L635-1(line 635) no Hoare annotation was computed. [2020-09-21 11:04:32,310 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 590 649) no Hoare annotation was computed. [2020-09-21 11:04:32,310 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 590 649) no Hoare annotation was computed. [2020-09-21 11:04:32,310 INFO L268 CegarLoopResult]: For program point L622(lines 622 626) no Hoare annotation was computed. [2020-09-21 11:04:32,310 INFO L268 CegarLoopResult]: For program point L622-1(lines 622 626) no Hoare annotation was computed. [2020-09-21 11:04:32,311 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 590 649) no Hoare annotation was computed. [2020-09-21 11:04:32,311 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-09-21 11:04:32,311 INFO L268 CegarLoopResult]: For program point L616-2(lines 616 641) no Hoare annotation was computed. [2020-09-21 11:04:32,311 INFO L268 CegarLoopResult]: For program point L642(lines 615 643) no Hoare annotation was computed. [2020-09-21 11:04:32,312 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-09-21 11:04:32,312 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-09-21 11:04:32,312 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-09-21 11:04:32,312 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-09-21 11:04:32,313 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-09-21 11:04:32,313 INFO L264 CegarLoopResult]: At program point L289(line 289) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:32,313 INFO L264 CegarLoopResult]: At program point L289-1(line 289) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:32,313 INFO L268 CegarLoopResult]: For program point L287(lines 287 294) no Hoare annotation was computed. [2020-09-21 11:04:32,313 INFO L268 CegarLoopResult]: For program point L287-1(lines 287 294) no Hoare annotation was computed. [2020-09-21 11:04:32,314 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 277 299) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:32,314 INFO L268 CegarLoopResult]: For program point L285(line 285) no Hoare annotation was computed. [2020-09-21 11:04:32,314 INFO L264 CegarLoopResult]: At program point L284(line 284) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:32,314 INFO L264 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:32,315 INFO L264 CegarLoopResult]: At program point L283-1(line 283) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:32,315 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 277 299) no Hoare annotation was computed. [2020-09-21 11:04:32,315 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 277 299) no Hoare annotation was computed. [2020-09-21 11:04:32,315 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 235 258) no Hoare annotation was computed. [2020-09-21 11:04:32,315 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-09-21 11:04:32,315 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 235 258) no Hoare annotation was computed. [2020-09-21 11:04:32,315 INFO L268 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-09-21 11:04:32,315 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 235 258) no Hoare annotation was computed. [2020-09-21 11:04:32,316 INFO L268 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed. [2020-09-21 11:04:32,316 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2020-09-21 11:04:32,316 INFO L268 CegarLoopResult]: For program point L249(line 249) no Hoare annotation was computed. [2020-09-21 11:04:32,316 INFO L268 CegarLoopResult]: For program point L248(line 248) no Hoare annotation was computed. [2020-09-21 11:04:32,316 INFO L268 CegarLoopResult]: For program point L247(line 247) no Hoare annotation was computed. [2020-09-21 11:04:32,316 INFO L268 CegarLoopResult]: For program point L246(line 246) no Hoare annotation was computed. [2020-09-21 11:04:32,316 INFO L268 CegarLoopResult]: For program point L245(line 245) no Hoare annotation was computed. [2020-09-21 11:04:32,316 INFO L268 CegarLoopResult]: For program point L244(line 244) no Hoare annotation was computed. [2020-09-21 11:04:32,317 INFO L268 CegarLoopResult]: For program point L243(line 243) no Hoare annotation was computed. [2020-09-21 11:04:32,317 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-09-21 11:04:32,317 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-09-21 11:04:32,317 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-09-21 11:04:32,317 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 409 417) no Hoare annotation was computed. [2020-09-21 11:04:32,317 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 409 417) the Hoare annotation is: true [2020-09-21 11:04:32,317 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 409 417) no Hoare annotation was computed. [2020-09-21 11:04:32,317 INFO L268 CegarLoopResult]: For program point L463(lines 463 467) no Hoare annotation was computed. [2020-09-21 11:04:32,318 INFO L271 CegarLoopResult]: At program point L461(line 461) the Hoare annotation is: true [2020-09-21 11:04:32,318 INFO L268 CegarLoopResult]: For program point L463-2(lines 463 467) no Hoare annotation was computed. [2020-09-21 11:04:32,318 INFO L268 CegarLoopResult]: For program point L461-1(line 461) no Hoare annotation was computed. [2020-09-21 11:04:32,318 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 454 472) the Hoare annotation is: true [2020-09-21 11:04:32,318 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 454 472) no Hoare annotation was computed. [2020-09-21 11:04:32,318 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 454 472) no Hoare annotation was computed. [2020-09-21 11:04:32,318 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-21 11:04:32,319 INFO L268 CegarLoopResult]: For program point L448-1(line 448) no Hoare annotation was computed. [2020-09-21 11:04:32,319 INFO L268 CegarLoopResult]: For program point L437(lines 437 445) no Hoare annotation was computed. [2020-09-21 11:04:32,319 INFO L268 CegarLoopResult]: For program point L437-2(lines 437 445) no Hoare annotation was computed. [2020-09-21 11:04:32,319 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 418 453) no Hoare annotation was computed. [2020-09-21 11:04:32,319 INFO L268 CegarLoopResult]: For program point L425(lines 425 433) no Hoare annotation was computed. [2020-09-21 11:04:32,319 INFO L268 CegarLoopResult]: For program point L425-2(lines 425 433) no Hoare annotation was computed. [2020-09-21 11:04:32,319 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 418 453) no Hoare annotation was computed. [2020-09-21 11:04:32,319 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 418 453) no Hoare annotation was computed. [2020-09-21 11:04:32,320 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-09-21 11:04:32,320 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-09-21 11:04:32,320 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 488 533) no Hoare annotation was computed. [2020-09-21 11:04:32,320 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 488 533) no Hoare annotation was computed. [2020-09-21 11:04:32,320 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 488 533) no Hoare annotation was computed. [2020-09-21 11:04:32,320 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 801 846) no Hoare annotation was computed. [2020-09-21 11:04:32,320 INFO L268 CegarLoopResult]: For program point L821(lines 821 828) no Hoare annotation was computed. [2020-09-21 11:04:32,321 INFO L268 CegarLoopResult]: For program point L815(lines 815 835) no Hoare annotation was computed. [2020-09-21 11:04:32,321 INFO L268 CegarLoopResult]: For program point L815-1(lines 815 835) no Hoare annotation was computed. [2020-09-21 11:04:32,321 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 801 846) no Hoare annotation was computed. [2020-09-21 11:04:32,321 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 801 846) no Hoare annotation was computed. [2020-09-21 11:04:32,321 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 267 276) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:32,321 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 267 276) no Hoare annotation was computed. [2020-09-21 11:04:32,321 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 267 276) no Hoare annotation was computed. [2020-09-21 11:04:32,321 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 398 408) no Hoare annotation was computed. [2020-09-21 11:04:32,321 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 398 408) no Hoare annotation was computed. [2020-09-21 11:04:32,321 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 398 408) no Hoare annotation was computed. [2020-09-21 11:04:32,321 INFO L268 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-09-21 11:04:32,322 INFO L268 CegarLoopResult]: For program point L403-1(line 403) no Hoare annotation was computed. [2020-09-21 11:04:32,322 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 390 397) the Hoare annotation is: true [2020-09-21 11:04:32,322 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 390 397) no Hoare annotation was computed. [2020-09-21 11:04:32,322 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 390 397) no Hoare annotation was computed. [2020-09-21 11:04:32,322 INFO L264 CegarLoopResult]: At program point L353(line 353) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:32,322 INFO L264 CegarLoopResult]: At program point L349(line 349) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:32,322 INFO L268 CegarLoopResult]: For program point L347(lines 347 355) no Hoare annotation was computed. [2020-09-21 11:04:32,322 INFO L264 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:32,322 INFO L268 CegarLoopResult]: For program point L345-1(line 345) no Hoare annotation was computed. [2020-09-21 11:04:32,323 INFO L268 CegarLoopResult]: For program point L343(lines 343 360) no Hoare annotation was computed. [2020-09-21 11:04:32,323 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 339 363) no Hoare annotation was computed. [2020-09-21 11:04:32,323 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 339 363) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:32,323 INFO L264 CegarLoopResult]: At program point L358(line 358) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:32,323 INFO L268 CegarLoopResult]: For program point L358-1(lines 339 363) no Hoare annotation was computed. [2020-09-21 11:04:32,323 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 331 337) no Hoare annotation was computed. [2020-09-21 11:04:32,323 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 331 337) the Hoare annotation is: true [2020-09-21 11:04:32,323 INFO L268 CegarLoopResult]: For program point L896(lines 896 900) no Hoare annotation was computed. [2020-09-21 11:04:32,324 INFO L264 CegarLoopResult]: At program point testENTRY(lines 848 913) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:32,324 INFO L264 CegarLoopResult]: At program point L896-2(lines 888 901) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:32,324 INFO L268 CegarLoopResult]: For program point L859(lines 858 905) no Hoare annotation was computed. [2020-09-21 11:04:32,324 INFO L264 CegarLoopResult]: At program point L890(line 890) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:32,324 INFO L268 CegarLoopResult]: For program point L888(lines 888 901) no Hoare annotation was computed. [2020-09-21 11:04:32,324 INFO L268 CegarLoopResult]: For program point testFINAL(lines 848 913) no Hoare annotation was computed. [2020-09-21 11:04:32,325 INFO L264 CegarLoopResult]: At program point L880(line 880) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:32,325 INFO L268 CegarLoopResult]: For program point L878(lines 878 884) no Hoare annotation was computed. [2020-09-21 11:04:32,325 INFO L268 CegarLoopResult]: For program point L878-1(lines 878 884) no Hoare annotation was computed. [2020-09-21 11:04:32,325 INFO L264 CegarLoopResult]: At program point L903(lines 858 905) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:32,327 INFO L264 CegarLoopResult]: At program point L870(line 870) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:32,327 INFO L268 CegarLoopResult]: For program point L868(lines 868 874) no Hoare annotation was computed. [2020-09-21 11:04:32,327 INFO L268 CegarLoopResult]: For program point L868-1(lines 868 874) no Hoare annotation was computed. [2020-09-21 11:04:32,327 INFO L268 CegarLoopResult]: For program point L860(lines 860 864) no Hoare annotation was computed. [2020-09-21 11:04:32,327 INFO L264 CegarLoopResult]: At program point L906(lines 857 907) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:04:32,328 INFO L268 CegarLoopResult]: For program point testEXIT(lines 848 913) no Hoare annotation was computed. [2020-09-21 11:04:32,328 INFO L268 CegarLoopResult]: For program point L769(lines 769 789) no Hoare annotation was computed. [2020-09-21 11:04:32,328 INFO L268 CegarLoopResult]: For program point L769-1(lines 769 789) no Hoare annotation was computed. [2020-09-21 11:04:32,328 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 755 800) no Hoare annotation was computed. [2020-09-21 11:04:32,328 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 755 800) no Hoare annotation was computed. [2020-09-21 11:04:32,328 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 755 800) no Hoare annotation was computed. [2020-09-21 11:04:32,328 INFO L268 CegarLoopResult]: For program point L775(lines 775 782) no Hoare annotation was computed. [2020-09-21 11:04:32,328 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 364 371) no Hoare annotation was computed. [2020-09-21 11:04:32,328 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 364 371) no Hoare annotation was computed. [2020-09-21 11:04:32,329 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 364 371) no Hoare annotation was computed. [2020-09-21 11:04:32,329 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 164 172) no Hoare annotation was computed. [2020-09-21 11:04:32,329 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 164 172) the Hoare annotation is: true [2020-09-21 11:04:32,329 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 164 172) no Hoare annotation was computed. [2020-09-21 11:04:32,329 INFO L268 CegarLoopResult]: For program point L140(lines 140 148) no Hoare annotation was computed. [2020-09-21 11:04:32,329 INFO L268 CegarLoopResult]: For program point L140-2(lines 140 148) no Hoare annotation was computed. [2020-09-21 11:04:32,329 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 132 154) no Hoare annotation was computed. [2020-09-21 11:04:32,329 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 132 154) no Hoare annotation was computed. [2020-09-21 11:04:32,329 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 132 154) no Hoare annotation was computed. [2020-09-21 11:04:32,330 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-09-21 11:04:32,333 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-09-21 11:04:32,333 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-09-21 11:04:32,333 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 652 754) no Hoare annotation was computed. [2020-09-21 11:04:32,333 INFO L268 CegarLoopResult]: For program point L702(lines 701 721) no Hoare annotation was computed. [2020-09-21 11:04:32,333 INFO L268 CegarLoopResult]: For program point L733(line 733) no Hoare annotation was computed. [2020-09-21 11:04:32,333 INFO L268 CegarLoopResult]: For program point L733-1(line 733) no Hoare annotation was computed. [2020-09-21 11:04:32,333 INFO L268 CegarLoopResult]: For program point L698(lines 698 739) no Hoare annotation was computed. [2020-09-21 11:04:32,334 INFO L268 CegarLoopResult]: For program point L717(line 717) no Hoare annotation was computed. [2020-09-21 11:04:32,334 INFO L268 CegarLoopResult]: For program point L717-1(line 717) no Hoare annotation was computed. [2020-09-21 11:04:32,334 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 652 754) no Hoare annotation was computed. [2020-09-21 11:04:32,334 INFO L268 CegarLoopResult]: For program point L676(lines 676 680) no Hoare annotation was computed. [2020-09-21 11:04:32,334 INFO L268 CegarLoopResult]: For program point L740(lines 740 751) no Hoare annotation was computed. [2020-09-21 11:04:32,334 INFO L268 CegarLoopResult]: For program point L703(lines 703 707) no Hoare annotation was computed. [2020-09-21 11:04:32,334 INFO L268 CegarLoopResult]: For program point L701-2(lines 701 721) no Hoare annotation was computed. [2020-09-21 11:04:32,334 INFO L268 CegarLoopResult]: For program point L722(lines 700 723) no Hoare annotation was computed. [2020-09-21 11:04:32,334 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 652 754) no Hoare annotation was computed. [2020-09-21 11:04:32,335 INFO L268 CegarLoopResult]: For program point L681(lines 681 697) no Hoare annotation was computed. [2020-09-21 11:04:32,335 INFO L268 CegarLoopResult]: For program point L741(lines 741 748) no Hoare annotation was computed. [2020-09-21 11:04:32,335 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:04:32,335 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:04:32,335 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:04:32,335 INFO L268 CegarLoopResult]: For program point L384(line 384) no Hoare annotation was computed. [2020-09-21 11:04:32,336 INFO L268 CegarLoopResult]: For program point L384-1(lines 373 389) no Hoare annotation was computed. [2020-09-21 11:04:32,336 INFO L268 CegarLoopResult]: For program point L380(lines 380 386) no Hoare annotation was computed. [2020-09-21 11:04:32,336 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 373 389) no Hoare annotation was computed. [2020-09-21 11:04:32,336 INFO L268 CegarLoopResult]: For program point L378(line 378) no Hoare annotation was computed. [2020-09-21 11:04:32,336 INFO L268 CegarLoopResult]: For program point L378-1(line 378) no Hoare annotation was computed. [2020-09-21 11:04:32,336 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 373 389) no Hoare annotation was computed. [2020-09-21 11:04:32,336 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 155 163) no Hoare annotation was computed. [2020-09-21 11:04:32,336 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 155 163) no Hoare annotation was computed. [2020-09-21 11:04:32,336 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 155 163) no Hoare annotation was computed. [2020-09-21 11:04:32,337 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 111 122) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:04:32,337 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 111 122) no Hoare annotation was computed. [2020-09-21 11:04:32,337 INFO L268 CegarLoopResult]: For program point L115-1(lines 111 122) no Hoare annotation was computed. [2020-09-21 11:04:32,337 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:04:32,337 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:04:32,337 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:04:32,338 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 123 131) the Hoare annotation is: true [2020-09-21 11:04:32,338 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 123 131) no Hoare annotation was computed. [2020-09-21 11:04:32,338 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 123 131) no Hoare annotation was computed. [2020-09-21 11:04:32,339 INFO L264 CegarLoopResult]: At program point L320(line 320) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:32,339 INFO L264 CegarLoopResult]: At program point L318(lines 318 324) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:32,339 INFO L264 CegarLoopResult]: At program point L313(line 313) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:32,339 INFO L268 CegarLoopResult]: For program point L311(lines 310 329) no Hoare annotation was computed. [2020-09-21 11:04:32,339 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 307 330) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:04:32,339 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 307 330) no Hoare annotation was computed. [2020-09-21 11:04:32,339 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 307 330) no Hoare annotation was computed. [2020-09-21 11:04:32,339 INFO L268 CegarLoopResult]: For program point L225(line 225) no Hoare annotation was computed. [2020-09-21 11:04:32,340 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 204 233) no Hoare annotation was computed. [2020-09-21 11:04:32,340 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 204 233) the Hoare annotation is: true [2020-09-21 11:04:32,340 INFO L268 CegarLoopResult]: For program point L218(lines 218 222) no Hoare annotation was computed. [2020-09-21 11:04:32,340 INFO L271 CegarLoopResult]: At program point L218-1(lines 218 222) the Hoare annotation is: true [2020-09-21 11:04:32,340 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-09-21 11:04:32,341 INFO L271 CegarLoopResult]: At program point L214-2(lines 214 228) the Hoare annotation is: true [2020-09-21 11:04:32,341 INFO L271 CegarLoopResult]: At program point L210(line 210) the Hoare annotation is: true [2020-09-21 11:04:32,341 INFO L268 CegarLoopResult]: For program point L210-1(line 210) no Hoare annotation was computed. [2020-09-21 11:04:32,341 INFO L271 CegarLoopResult]: At program point L229(lines 204 233) the Hoare annotation is: true [2020-09-21 11:04:32,341 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 87 98) the Hoare annotation is: true [2020-09-21 11:04:32,341 INFO L268 CegarLoopResult]: For program point L91-1(lines 87 98) no Hoare annotation was computed. [2020-09-21 11:04:32,341 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 87 98) no Hoare annotation was computed. [2020-09-21 11:04:32,341 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 259 265) no Hoare annotation was computed. [2020-09-21 11:04:32,342 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 259 265) the Hoare annotation is: true [2020-09-21 11:04:32,342 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:04:32,342 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-09-21 11:04:32,342 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:04:32,343 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:04:32,343 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 473 480) no Hoare annotation was computed. [2020-09-21 11:04:32,343 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 473 480) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-09-21 11:04:32,343 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 473 480) no Hoare annotation was computed. [2020-09-21 11:04:32,343 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 99 110) no Hoare annotation was computed. [2020-09-21 11:04:32,343 INFO L268 CegarLoopResult]: For program point L103-1(lines 99 110) no Hoare annotation was computed. [2020-09-21 11:04:32,344 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 99 110) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:04:32,344 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 915 922) no Hoare annotation was computed. [2020-09-21 11:04:32,345 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 919) no Hoare annotation was computed. [2020-09-21 11:04:32,345 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 915 922) the Hoare annotation is: true [2020-09-21 11:04:32,345 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 915 922) no Hoare annotation was computed. [2020-09-21 11:04:32,345 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:04:32,345 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 176 200) the Hoare annotation is: true [2020-09-21 11:04:32,345 INFO L268 CegarLoopResult]: For program point L188(lines 188 194) no Hoare annotation was computed. [2020-09-21 11:04:32,345 INFO L264 CegarLoopResult]: At program point L186(line 186) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:04:32,345 INFO L268 CegarLoopResult]: For program point L186-1(line 186) no Hoare annotation was computed. [2020-09-21 11:04:32,345 INFO L268 CegarLoopResult]: For program point L184(lines 184 197) no Hoare annotation was computed. [2020-09-21 11:04:32,346 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 176 200) no Hoare annotation was computed. [2020-09-21 11:04:32,346 INFO L268 CegarLoopResult]: For program point L184-1(lines 176 200) no Hoare annotation was computed. [2020-09-21 11:04:32,346 INFO L271 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: true [2020-09-21 11:04:32,346 INFO L268 CegarLoopResult]: For program point L182-1(line 182) no Hoare annotation was computed. [2020-09-21 11:04:32,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:04:32 BoogieIcfgContainer [2020-09-21 11:04:32,366 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:04:32,368 INFO L168 Benchmark]: Toolchain (without parser) took 36851.01 ms. Allocated memory was 138.4 MB in the beginning and 578.8 MB in the end (delta: 440.4 MB). Free memory was 101.0 MB in the beginning and 139.9 MB in the end (delta: -38.9 MB). Peak memory consumption was 427.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:32,368 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:04:32,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 794.18 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 100.3 MB in the beginning and 169.7 MB in the end (delta: -69.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:32,370 INFO L168 Benchmark]: Boogie Preprocessor took 123.49 ms. Allocated memory is still 201.3 MB. Free memory was 169.7 MB in the beginning and 165.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:32,371 INFO L168 Benchmark]: RCFGBuilder took 3354.36 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 165.4 MB in the beginning and 197.8 MB in the end (delta: -32.4 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:32,372 INFO L168 Benchmark]: TraceAbstraction took 32568.93 ms. Allocated memory was 232.8 MB in the beginning and 578.8 MB in the end (delta: 346.0 MB). Free memory was 197.8 MB in the beginning and 139.9 MB in the end (delta: 57.9 MB). Peak memory consumption was 430.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:04:32,375 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 794.18 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 100.3 MB in the beginning and 169.7 MB in the end (delta: -69.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.49 ms. Allocated memory is still 201.3 MB. Free memory was 169.7 MB in the beginning and 165.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3354.36 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 165.4 MB in the beginning and 197.8 MB in the end (delta: -32.4 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 32568.93 ms. Allocated memory was 232.8 MB in the beginning and 578.8 MB in the end (delta: 346.0 MB). Free memory was 197.8 MB in the beginning and 139.9 MB in the end (delta: 57.9 MB). Peak memory consumption was 430.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 919]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || ((splverifierCounter <= 0 && 1 == systemActive) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 434 SDtfs, 589 SDslu, 233 SDs, 0 SdLazy, 1253 SolverSat, 382 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 148 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 245 PreInvPairs, 275 NumberOfFragments, 717 HoareAnnotationTreeSize, 245 FomulaSimplifications, 40907 FormulaSimplificationTreeSizeReduction, 11.3s HoareSimplificationTime, 51 FomulaSimplificationsInter, 7503 FormulaSimplificationTreeSizeReductionInter, 6.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 264 ConstructedInterpolants, 0 QuantifiedInterpolants, 74542 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...