/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_spec4_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:11:32,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:11:32,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:11:32,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:11:32,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:11:32,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:11:32,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:11:32,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:11:32,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:11:32,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:11:32,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:11:32,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:11:32,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:11:32,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:11:32,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:11:32,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:11:32,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:11:32,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:11:32,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:11:32,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:11:32,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:11:32,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:11:32,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:11:32,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:11:32,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:11:32,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:11:32,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:11:32,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:11:32,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:11:32,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:11:32,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:11:32,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:11:32,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:11:32,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:11:32,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:11:32,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:11:32,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:11:32,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:11:32,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:11:32,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:11:32,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:11:32,672 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 11:11:32,718 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:11:32,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:11:32,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:11:32,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:11:32,720 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:11:32,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:11:32,720 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:11:32,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:11:32,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:11:32,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:11:32,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:11:32,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:11:32,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:11:32,721 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:11:32,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:11:32,722 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:11:32,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:11:32,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:11:32,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:11:32,723 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:11:32,723 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:11:32,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:11:32,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:11:32,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:11:32,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:11:32,724 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:11:32,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:11:32,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:11:32,724 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:11:32,725 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 11:11:33,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:11:33,205 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:11:33,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:11:33,212 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:11:33,214 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:11:33,215 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2020-09-21 11:11:33,307 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e891e39d1/1fe936b46dc64080bf4a43ff09900d50/FLAG09b365537 [2020-09-21 11:11:33,874 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:11:33,875 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2020-09-21 11:11:33,890 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e891e39d1/1fe936b46dc64080bf4a43ff09900d50/FLAG09b365537 [2020-09-21 11:11:34,144 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e891e39d1/1fe936b46dc64080bf4a43ff09900d50 [2020-09-21 11:11:34,158 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:11:34,164 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:11:34,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:11:34,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:11:34,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:11:34,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:11:34" (1/1) ... [2020-09-21 11:11:34,175 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 11:11:34, skipping insertion in model container [2020-09-21 11:11:34,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:11:34" (1/1) ... [2020-09-21 11:11:34,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:11:34,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:11:34,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:11:34,611 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:11:34,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:11:34,841 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:11:34,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:34 WrapperNode [2020-09-21 11:11:34,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:11:34,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:11:34,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:11:34,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:11:34,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:34" (1/1) ... [2020-09-21 11:11:34,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:34" (1/1) ... [2020-09-21 11:11:34,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:34" (1/1) ... [2020-09-21 11:11:34,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:34" (1/1) ... [2020-09-21 11:11:34,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:34" (1/1) ... [2020-09-21 11:11:34,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:34" (1/1) ... [2020-09-21 11:11:34,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:34" (1/1) ... [2020-09-21 11:11:34,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:11:34,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:11:34,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:11:34,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:11:34,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:34" (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 11:11:35,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:11:35,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:11:35,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:11:35,050 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:11:35,050 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:11:35,051 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:11:35,051 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:11:35,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:11:35,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:11:35,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:11:35,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:11:35,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:11:35,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:11:35,053 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:11:35,053 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:11:35,054 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:11:35,055 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:11:35,055 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:11:35,055 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:11:35,055 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:11:35,055 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:11:35,056 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:11:35,056 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:11:35,056 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:11:35,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:11:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:11:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:11:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:11:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-21 11:11:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:11:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:11:35,060 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:11:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:11:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:11:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:11:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:11:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:11:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:11:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:11:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:11:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:11:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:11:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:11:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:11:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:11:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:11:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:11:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:11:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:11:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:11:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:11:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:11:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:11:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:11:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:11:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:11:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:11:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:11:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:11:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:11:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:11:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:11:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:11:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:11:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:11:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:11:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:11:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:11:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:11:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:11:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:11:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:11:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:11:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:11:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:11:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:11:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:11:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:11:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:11:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:11:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:11:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:11:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:11:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:11:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:11:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:11:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-21 11:11:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:11:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:11:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:11:36,053 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:11:36,053 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:11:36,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:11:36 BoogieIcfgContainer [2020-09-21 11:11:36,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:11:36,065 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:11:36,065 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:11:36,069 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:11:36,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:11:34" (1/3) ... [2020-09-21 11:11:36,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f3ddbcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:11:36, skipping insertion in model container [2020-09-21 11:11:36,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:34" (2/3) ... [2020-09-21 11:11:36,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f3ddbcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:11:36, skipping insertion in model container [2020-09-21 11:11:36,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:11:36" (3/3) ... [2020-09-21 11:11:36,073 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product16.cil.c [2020-09-21 11:11:36,085 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:11:36,099 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:11:36,119 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:11:36,145 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:11:36,145 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:11:36,145 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:11:36,145 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:11:36,145 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:11:36,146 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:11:36,146 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:11:36,146 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:11:36,171 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2020-09-21 11:11:36,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:11:36,182 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:36,183 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 11:11:36,184 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:36,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:36,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1532249009, now seen corresponding path program 1 times [2020-09-21 11:11:36,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:36,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [865859043] [2020-09-21 11:11:36,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:36,479 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:36,479 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:36,479 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:36,480 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:36,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:11:36,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:36,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:11:36,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:36,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:36,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:11:36,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:36,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:36,910 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:36,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:36,928 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:36,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:36,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:36,929 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:36,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:36,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:36,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:36,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:36,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:36,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:36,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:36,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:37,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:37,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:37,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:37,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:37,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:37,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:37,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:37,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:37,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:37,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:37,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:37,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:37,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:11:37,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:37,054 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:37,055 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:37,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:37,055 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:37,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:37,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:37,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:37,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:37,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:37,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:37,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:37,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-21 11:11:37,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:37,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:37,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:37,074 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:37,074 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:37,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:37,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:37,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:37,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:37,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:37,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:37,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:37,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:37,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:37,085 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:37,085 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:37,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:37,086 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:37,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:37,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:37,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:37,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:37,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:37,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:37,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:37,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:37,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:11:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:37,095 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:37,096 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:37,096 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:37,096 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:37,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:37,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:37,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:37,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:37,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:37,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:37,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:37,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:37,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:11:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:37,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:37,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:37,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:37,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:37,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:37,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:37,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:37,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:37,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:37,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:37,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:37,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:37,125 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 11:11:37,126 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [865859043] [2020-09-21 11:11:37,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:37,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:11:37,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881103602] [2020-09-21 11:11:37,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:11:37,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:37,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:11:37,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:11:37,157 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 3 states. [2020-09-21 11:11:38,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:38,305 INFO L93 Difference]: Finished difference Result 266 states and 350 transitions. [2020-09-21 11:11:38,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:11:38,308 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:11:38,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:38,325 INFO L225 Difference]: With dead ends: 266 [2020-09-21 11:11:38,325 INFO L226 Difference]: Without dead ends: 145 [2020-09-21 11:11:38,330 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:11:38,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-09-21 11:11:38,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 112. [2020-09-21 11:11:38,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-09-21 11:11:38,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2020-09-21 11:11:38,416 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 46 [2020-09-21 11:11:38,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:38,416 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2020-09-21 11:11:38,417 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:11:38,417 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2020-09-21 11:11:38,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:11:38,420 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:38,421 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 11:11:38,421 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:11:38,421 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:38,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:38,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1264772962, now seen corresponding path program 1 times [2020-09-21 11:11:38,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:38,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1872362193] [2020-09-21 11:11:38,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:38,493 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:38,494 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:38,494 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:38,494 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:38,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:11:38,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:38,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:11:38,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:38,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:38,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:11:38,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:11:38,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:38,815 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:38,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:38,824 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:38,824 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:38,825 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:38,825 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:38,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:38,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:38,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:38,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:38,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:38,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:38,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:38,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:38,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:38,860 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:38,860 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:38,860 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:38,861 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:38,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:38,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:38,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:38,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:38,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:38,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:38,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:38,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:38,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:38,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:38,865 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:38,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:38,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:38,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:38,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:38,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:38,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:38,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:38,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:38,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:38,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:38,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:38,870 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:38,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:38,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:38,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:38,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:38,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:38,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:38,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:38,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:38,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:38,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:38,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:38,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:38,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:38,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:38,876 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:38,876 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:38,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:38,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:38,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:38,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:38,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:38,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:38,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:38,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:38,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:11:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:38,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:38,880 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:38,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:38,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:38,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:38,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:38,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:38,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:38,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:38,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:38,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:38,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:38,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:11:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:38,886 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:38,886 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:38,886 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:38,886 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:38,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:38,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:38,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:38,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:38,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:38,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:38,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:38,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:38,894 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 11:11:38,895 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1872362193] [2020-09-21 11:11:38,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:38,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:11:38,896 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814967751] [2020-09-21 11:11:38,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:11:38,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:38,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:11:38,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:11:38,899 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 4 states. [2020-09-21 11:11:39,355 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:11:40,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:40,031 INFO L93 Difference]: Finished difference Result 189 states and 229 transitions. [2020-09-21 11:11:40,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:11:40,032 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:11:40,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:40,035 INFO L225 Difference]: With dead ends: 189 [2020-09-21 11:11:40,035 INFO L226 Difference]: Without dead ends: 129 [2020-09-21 11:11:40,037 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 11:11:40,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-09-21 11:11:40,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 103. [2020-09-21 11:11:40,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-09-21 11:11:40,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2020-09-21 11:11:40,076 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 47 [2020-09-21 11:11:40,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:40,076 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2020-09-21 11:11:40,076 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:11:40,076 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2020-09-21 11:11:40,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:11:40,078 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:40,079 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 11:11:40,079 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:11:40,079 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:40,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:40,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1057002583, now seen corresponding path program 1 times [2020-09-21 11:11:40,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:40,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [76971576] [2020-09-21 11:11:40,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:40,508 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:11:40,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:40,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:40,509 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:40,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:11:40,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:40,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 375 [2020-09-21 11:11:40,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:40,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:11:40,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:40,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:11:40,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:40,826 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:40,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:40,925 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:40,925 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:40,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:40,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:40,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:40,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:40,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-21 11:11:40,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:40,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:40,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:40,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:40,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:40,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:40,983 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:40,983 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:40,983 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:40,983 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:40,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:40,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:40,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:40,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:40,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:40,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:40,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:40,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:40,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:40,988 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:40,988 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:40,988 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:40,989 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:40,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:40,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:40,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:40,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:40,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:40,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:40,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:40,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:40,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:40,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:40,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:40,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:40,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:40,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:40,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:40,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:40,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:40,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:40,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:40,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:40,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:41,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:41,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:41,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:41,004 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:41,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:41,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:41,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:41,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:41,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:41,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:41,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:41,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:41,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:41,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:11:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:41,009 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:41,009 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:41,010 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:41,010 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:41,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:41,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:41,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:41,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:41,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:41,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:41,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:41,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:41,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:11:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:41,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:41,014 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:41,015 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:41,015 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:41,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:41,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:41,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:41,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:41,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:41,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:41,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:41,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:41,024 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 11:11:41,024 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [76971576] [2020-09-21 11:11:41,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:41,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:11:41,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354247245] [2020-09-21 11:11:41,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:11:41,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:41,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:11:41,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:11:41,027 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand 4 states. [2020-09-21 11:11:41,313 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:42,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:42,586 INFO L93 Difference]: Finished difference Result 297 states and 364 transitions. [2020-09-21 11:11:42,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:11:42,587 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 11:11:42,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:42,591 INFO L225 Difference]: With dead ends: 297 [2020-09-21 11:11:42,591 INFO L226 Difference]: Without dead ends: 218 [2020-09-21 11:11:42,592 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 11:11:42,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-09-21 11:11:42,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 172. [2020-09-21 11:11:42,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-09-21 11:11:42,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 203 transitions. [2020-09-21 11:11:42,645 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 203 transitions. Word has length 52 [2020-09-21 11:11:42,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:42,646 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 203 transitions. [2020-09-21 11:11:42,646 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:11:42,646 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 203 transitions. [2020-09-21 11:11:42,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 11:11:42,648 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:42,648 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] [2020-09-21 11:11:42,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:11:42,649 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:42,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:42,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1843591259, now seen corresponding path program 1 times [2020-09-21 11:11:42,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:42,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [769221142] [2020-09-21 11:11:42,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:43,052 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:11:43,052 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:43,053 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:43,053 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:43,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:11:43,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:43,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 358 [2020-09-21 11:11:43,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:43,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:11:43,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:43,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-21 11:11:43,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:43,395 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:43,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:43,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:43,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:43,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:43,474 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:43,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:43,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:43,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 11:11:43,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:43,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:43,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:43,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:43,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:43,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:43,514 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:43,515 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:43,515 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:43,515 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:43,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:43,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:43,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:43,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:43,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:43,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:43,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:43,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:43,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:43,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:43,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:43,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:43,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:43,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:43,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:43,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:43,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:43,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:43,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:43,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:43,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:43,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:43,527 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:43,527 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:43,527 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:43,527 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:43,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:43,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:43,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:43,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:43,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:43,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:43,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:43,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:43,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:43,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:43,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:43,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:43,534 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:43,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:43,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:43,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:43,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:43,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:43,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:43,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:43,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:43,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:43,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:11:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:43,554 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:43,555 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:43,555 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:43,555 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:43,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:11:43,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:43,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:43,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:43,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:43,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:43,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:11:43,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:43,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:11:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:43,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:43,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:43,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:43,564 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:43,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:43,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:43,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:43,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:43,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:43,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:43,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:43,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:43,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:11:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:43,583 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:43,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:43,584 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:43,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:43,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:43,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:43,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:43,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:43,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:43,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:43,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:43,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:43,598 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 11:11:43,598 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [769221142] [2020-09-21 11:11:43,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:43,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:11:43,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013156511] [2020-09-21 11:11:43,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:11:43,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:43,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:11:43,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:11:43,601 INFO L87 Difference]: Start difference. First operand 172 states and 203 transitions. Second operand 8 states. [2020-09-21 11:11:44,021 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:45,155 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:45,527 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:45,856 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:46,144 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:46,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:46,971 INFO L93 Difference]: Finished difference Result 527 states and 688 transitions. [2020-09-21 11:11:46,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:11:46,973 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-09-21 11:11:46,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:46,984 INFO L225 Difference]: With dead ends: 527 [2020-09-21 11:11:46,984 INFO L226 Difference]: Without dead ends: 379 [2020-09-21 11:11:46,986 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:11:46,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2020-09-21 11:11:47,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 319. [2020-09-21 11:11:47,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-09-21 11:11:47,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 387 transitions. [2020-09-21 11:11:47,094 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 387 transitions. Word has length 57 [2020-09-21 11:11:47,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:47,095 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 387 transitions. [2020-09-21 11:11:47,095 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:11:47,095 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 387 transitions. [2020-09-21 11:11:47,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 11:11:47,098 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:47,098 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] [2020-09-21 11:11:47,098 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:11:47,098 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:47,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:47,099 INFO L82 PathProgramCache]: Analyzing trace with hash -189098101, now seen corresponding path program 1 times [2020-09-21 11:11:47,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:47,099 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [560990681] [2020-09-21 11:11:47,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:47,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:47,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:47,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:47,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:47,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 11:11:47,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:47,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 365 [2020-09-21 11:11:47,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:47,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:11:47,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:47,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 11:11:47,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:47,923 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:47,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:47,988 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:47,988 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:47,988 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:47,989 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:47,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:47,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:47,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-21 11:11:47,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:47,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:47,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:47,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:47,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:48,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:48,030 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:48,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:48,031 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:48,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:48,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:48,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:48,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:48,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:48,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:48,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:48,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:48,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:48,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:48,037 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:48,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:48,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:48,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:48,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:48,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:48,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:48,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:48,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:48,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:48,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:48,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:48,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:48,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:48,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:48,046 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:48,046 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:48,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:48,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:48,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:48,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:48,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:48,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:48,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:48,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:48,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:48,053 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:48,053 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:48,054 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:48,054 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:48,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:48,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:48,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:48,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:48,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:48,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:48,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:48,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:48,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:11:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:48,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:48,081 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:48,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:48,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:48,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:48,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:48,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:11:48,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:48,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:11:48,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:11:48,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:11:48,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:48,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:11:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:48,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:48,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:48,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:48,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:48,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:11:48,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:48,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:48,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:48,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:48,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:48,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:11:48,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:48,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:11:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:48,167 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:48,167 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:48,167 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:48,167 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:48,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:48,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:48,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:48,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:48,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:48,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:48,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:48,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:48,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:11:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:48,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:48,186 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:48,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:48,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:48,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:48,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:48,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:48,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:48,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:48,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:48,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:48,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:48,205 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 11:11:48,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [560990681] [2020-09-21 11:11:48,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:48,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:11:48,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710079746] [2020-09-21 11:11:48,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:11:48,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:48,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:11:48,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:11:48,208 INFO L87 Difference]: Start difference. First operand 319 states and 387 transitions. Second operand 11 states. [2020-09-21 11:11:48,968 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:49,617 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:50,609 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:51,085 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:51,377 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:51,690 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:51,999 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:53,207 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 187 [2020-09-21 11:11:54,357 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-21 11:11:55,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:55,381 INFO L93 Difference]: Finished difference Result 997 states and 1292 transitions. [2020-09-21 11:11:55,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-21 11:11:55,382 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 61 [2020-09-21 11:11:55,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:55,389 INFO L225 Difference]: With dead ends: 997 [2020-09-21 11:11:55,389 INFO L226 Difference]: Without dead ends: 827 [2020-09-21 11:11:55,391 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=201, Invalid=729, Unknown=0, NotChecked=0, Total=930 [2020-09-21 11:11:55,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2020-09-21 11:11:55,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 669. [2020-09-21 11:11:55,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2020-09-21 11:11:55,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 803 transitions. [2020-09-21 11:11:55,532 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 803 transitions. Word has length 61 [2020-09-21 11:11:55,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:55,532 INFO L479 AbstractCegarLoop]: Abstraction has 669 states and 803 transitions. [2020-09-21 11:11:55,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:11:55,533 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 803 transitions. [2020-09-21 11:11:55,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 11:11:55,535 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:55,535 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] [2020-09-21 11:11:55,536 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:11:55,536 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:55,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:55,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1600095125, now seen corresponding path program 1 times [2020-09-21 11:11:55,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:55,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [611628152] [2020-09-21 11:11:55,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:55,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:55,893 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:55,893 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:55,893 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:55,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 11:11:55,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:55,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 315 [2020-09-21 11:11:55,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:55,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:11:55,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:55,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 11:11:55,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:56,354 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:56,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:56,438 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:56,438 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:56,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:56,439 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:56,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:56,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:56,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-21 11:11:56,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:56,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:56,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:56,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:56,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:56,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:56,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:56,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:56,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:56,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:56,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:56,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:56,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:56,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:56,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:56,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:56,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:56,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:56,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:56,493 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:56,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:56,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:56,494 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:56,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:56,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:56,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:56,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:56,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:56,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:56,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:56,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:56,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:56,501 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:56,501 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:56,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:56,502 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:56,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:56,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:56,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:56,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:56,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:56,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:56,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:56,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:56,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:56,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:56,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:56,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:56,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:56,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:56,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:56,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:56,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:56,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:56,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:56,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:56,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:56,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:11:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:56,534 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:56,535 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:56,535 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:56,536 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:56,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:11:56,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:56,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:56,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:56,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:56,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:56,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:56,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:56,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:11:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:56,554 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:56,554 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:56,555 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:56,555 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:56,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:56,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:56,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:56,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:56,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:56,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:56,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:56,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:56,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:11:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:56,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:56,562 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:56,562 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:56,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:56,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:56,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:56,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:56,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:56,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:56,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:56,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:56,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:56,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:11:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:56,569 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:56,569 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:56,569 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:56,570 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:56,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:56,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:56,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:56,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:56,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:56,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:56,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:56,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:56,583 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 11:11:56,584 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [611628152] [2020-09-21 11:11:56,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:56,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:11:56,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485957766] [2020-09-21 11:11:56,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:11:56,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:56,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:11:56,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:11:56,588 INFO L87 Difference]: Start difference. First operand 669 states and 803 transitions. Second operand 6 states. [2020-09-21 11:11:57,040 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:57,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:57,811 INFO L93 Difference]: Finished difference Result 893 states and 1115 transitions. [2020-09-21 11:11:57,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:11:57,812 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-09-21 11:11:57,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:57,812 INFO L225 Difference]: With dead ends: 893 [2020-09-21 11:11:57,812 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:11:57,815 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:11:57,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:11:57,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:11:57,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:11:57,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:11:57,817 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-09-21 11:11:57,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:57,817 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:11:57,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:11:57,817 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:11:57,817 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:11:57,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:11:57,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:11:58,059 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:58,224 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:58,390 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:58,556 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:59,261 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 171 [2020-09-21 11:11:59,420 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:59,586 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:59,753 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:59,912 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:00,542 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 157 [2020-09-21 11:12:00,701 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:00,869 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:01,034 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:01,221 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:01,544 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:12:01,863 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:12:02,011 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:02,162 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:02,480 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:12:02,804 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:12:03,124 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:12:03,746 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 171 [2020-09-21 11:12:03,896 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:04,049 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:04,198 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:04,358 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:04,669 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-21 11:12:04,980 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-21 11:12:05,293 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-21 11:12:05,600 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-21 11:12:05,909 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-21 11:12:06,049 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:06,224 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:06,380 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:06,528 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:06,684 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:06,839 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:06,992 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:07,139 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:07,288 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:07,440 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:07,595 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:07,749 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:07,902 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:08,064 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:08,217 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:08,370 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:08,528 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:08,677 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:08,829 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:08,978 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:09,129 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:09,282 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:09,430 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:09,582 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:09,735 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:09,887 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:10,042 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:10,194 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:10,346 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:10,495 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:10,647 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:10,796 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:10,951 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:11,621 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 162 [2020-09-21 11:12:11,808 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:12,278 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-21 11:12:12,545 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-21 11:12:12,787 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-21 11:12:13,043 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-21 11:12:13,309 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-21 11:12:13,772 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-21 11:12:14,038 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-21 11:12:14,193 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:14,369 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:14,526 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:14,674 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:14,829 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:14,987 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:15,140 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:15,753 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 171 [2020-09-21 11:12:16,372 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 171 [2020-09-21 11:12:16,524 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:16,694 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:16,847 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:17,000 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:17,147 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:17,299 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:17,448 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:17,600 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:18,221 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 16 [2020-09-21 11:12:18,496 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:18,717 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:18,936 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:19,590 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 16 [2020-09-21 11:12:20,147 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 21 [2020-09-21 11:12:20,410 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-09-21 11:12:20,992 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-09-21 11:12:21,250 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:21,489 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-09-21 11:12:22,098 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 21 [2020-09-21 11:12:22,704 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 17 [2020-09-21 11:12:22,934 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:23,559 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 17 [2020-09-21 11:12:23,743 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-09-21 11:12:24,176 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:24,783 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-09-21 11:12:24,994 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:25,237 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:25,454 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-09-21 11:12:25,664 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:26,428 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 20 [2020-09-21 11:12:26,434 INFO L268 CegarLoopResult]: For program point L161(lines 161 165) no Hoare annotation was computed. [2020-09-21 11:12:26,434 INFO L268 CegarLoopResult]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2020-09-21 11:12:26,435 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-09-21 11:12:26,435 INFO L268 CegarLoopResult]: For program point L155-2(lines 155 176) no Hoare annotation was computed. [2020-09-21 11:12:26,435 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 130 185) no Hoare annotation was computed. [2020-09-21 11:12:26,435 INFO L268 CegarLoopResult]: For program point L177(lines 154 178) no Hoare annotation was computed. [2020-09-21 11:12:26,435 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 130 185) no Hoare annotation was computed. [2020-09-21 11:12:26,435 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 130 185) no Hoare annotation was computed. [2020-09-21 11:12:26,436 INFO L268 CegarLoopResult]: For program point L218(lines 218 222) no Hoare annotation was computed. [2020-09-21 11:12:26,436 INFO L268 CegarLoopResult]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2020-09-21 11:12:26,436 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 186 245) no Hoare annotation was computed. [2020-09-21 11:12:26,436 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-09-21 11:12:26,436 INFO L268 CegarLoopResult]: For program point L212-2(lines 212 237) no Hoare annotation was computed. [2020-09-21 11:12:26,436 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 186 245) no Hoare annotation was computed. [2020-09-21 11:12:26,437 INFO L268 CegarLoopResult]: For program point L238(lines 211 239) no Hoare annotation was computed. [2020-09-21 11:12:26,437 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 186 245) no Hoare annotation was computed. [2020-09-21 11:12:26,437 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-09-21 11:12:26,437 INFO L268 CegarLoopResult]: For program point L231-1(line 231) no Hoare annotation was computed. [2020-09-21 11:12:26,437 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-09-21 11:12:26,437 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-09-21 11:12:26,437 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-09-21 11:12:26,437 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-09-21 11:12:26,438 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-09-21 11:12:26,438 INFO L264 CegarLoopResult]: At program point L831(line 831) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0) (or .cse0 (not (= 2 ~waterLevel~0))))) [2020-09-21 11:12:26,438 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 817 841) the Hoare annotation is: true [2020-09-21 11:12:26,438 INFO L268 CegarLoopResult]: For program point L829(lines 829 835) no Hoare annotation was computed. [2020-09-21 11:12:26,438 INFO L264 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0) (or .cse0 (not (= 2 ~waterLevel~0))))) [2020-09-21 11:12:26,438 INFO L268 CegarLoopResult]: For program point L827-1(line 827) no Hoare annotation was computed. [2020-09-21 11:12:26,438 INFO L268 CegarLoopResult]: For program point L825(lines 825 838) no Hoare annotation was computed. [2020-09-21 11:12:26,438 INFO L268 CegarLoopResult]: For program point L825-1(lines 817 841) no Hoare annotation was computed. [2020-09-21 11:12:26,438 INFO L271 CegarLoopResult]: At program point L823(line 823) the Hoare annotation is: true [2020-09-21 11:12:26,438 INFO L268 CegarLoopResult]: For program point L823-1(line 823) no Hoare annotation was computed. [2020-09-21 11:12:26,439 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 817 841) no Hoare annotation was computed. [2020-09-21 11:12:26,439 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 605 627) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:26,439 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 605 627) no Hoare annotation was computed. [2020-09-21 11:12:26,439 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 605 627) no Hoare annotation was computed. [2020-09-21 11:12:26,439 INFO L264 CegarLoopResult]: At program point L617(line 617) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:26,439 INFO L264 CegarLoopResult]: At program point L617-1(line 617) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:26,439 INFO L268 CegarLoopResult]: For program point L615(lines 615 622) no Hoare annotation was computed. [2020-09-21 11:12:26,440 INFO L268 CegarLoopResult]: For program point L615-1(lines 615 622) no Hoare annotation was computed. [2020-09-21 11:12:26,440 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-09-21 11:12:26,440 INFO L264 CegarLoopResult]: At program point L612(line 612) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:26,440 INFO L264 CegarLoopResult]: At program point L611(line 611) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:26,440 INFO L264 CegarLoopResult]: At program point L611-1(line 611) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:26,440 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-09-21 11:12:26,441 INFO L268 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-09-21 11:12:26,441 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 563 586) no Hoare annotation was computed. [2020-09-21 11:12:26,441 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-09-21 11:12:26,441 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-09-21 11:12:26,441 INFO L268 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-09-21 11:12:26,441 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 563 586) no Hoare annotation was computed. [2020-09-21 11:12:26,441 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-09-21 11:12:26,441 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 563 586) no Hoare annotation was computed. [2020-09-21 11:12:26,441 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-09-21 11:12:26,441 INFO L268 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-09-21 11:12:26,442 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-09-21 11:12:26,442 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-09-21 11:12:26,442 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-09-21 11:12:26,442 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-09-21 11:12:26,442 INFO L268 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-09-21 11:12:26,442 INFO L268 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-09-21 11:12:26,442 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 671 677) no Hoare annotation was computed. [2020-09-21 11:12:26,442 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 671 677) the Hoare annotation is: true [2020-09-21 11:12:26,442 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 793 807) no Hoare annotation was computed. [2020-09-21 11:12:26,442 INFO L264 CegarLoopResult]: At program point L799(line 799) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-09-21 11:12:26,442 INFO L268 CegarLoopResult]: For program point L797(lines 797 803) no Hoare annotation was computed. [2020-09-21 11:12:26,443 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 793 807) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))))) [2020-09-21 11:12:26,443 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 793 807) no Hoare annotation was computed. [2020-09-21 11:12:26,443 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 704 711) no Hoare annotation was computed. [2020-09-21 11:12:26,443 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 704 711) no Hoare annotation was computed. [2020-09-21 11:12:26,443 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 704 711) no Hoare annotation was computed. [2020-09-21 11:12:26,443 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 748 756) no Hoare annotation was computed. [2020-09-21 11:12:26,443 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 748 756) the Hoare annotation is: true [2020-09-21 11:12:26,443 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 748 756) no Hoare annotation was computed. [2020-09-21 11:12:26,443 INFO L268 CegarLoopResult]: For program point L764(lines 764 772) no Hoare annotation was computed. [2020-09-21 11:12:26,443 INFO L268 CegarLoopResult]: For program point L764-2(lines 764 772) no Hoare annotation was computed. [2020-09-21 11:12:26,443 INFO L268 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-09-21 11:12:26,443 INFO L268 CegarLoopResult]: For program point L787-1(line 787) no Hoare annotation was computed. [2020-09-21 11:12:26,443 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 757 792) no Hoare annotation was computed. [2020-09-21 11:12:26,444 INFO L268 CegarLoopResult]: For program point L776(lines 776 784) no Hoare annotation was computed. [2020-09-21 11:12:26,444 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 757 792) no Hoare annotation was computed. [2020-09-21 11:12:26,444 INFO L268 CegarLoopResult]: For program point L776-2(lines 776 784) no Hoare annotation was computed. [2020-09-21 11:12:26,444 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 757 792) no Hoare annotation was computed. [2020-09-21 11:12:26,444 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-09-21 11:12:26,444 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-09-21 11:12:26,444 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 84 129) no Hoare annotation was computed. [2020-09-21 11:12:26,444 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 84 129) no Hoare annotation was computed. [2020-09-21 11:12:26,444 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 84 129) no Hoare annotation was computed. [2020-09-21 11:12:26,444 INFO L268 CegarLoopResult]: For program point L417(lines 417 424) no Hoare annotation was computed. [2020-09-21 11:12:26,444 INFO L268 CegarLoopResult]: For program point L411(lines 411 431) no Hoare annotation was computed. [2020-09-21 11:12:26,445 INFO L268 CegarLoopResult]: For program point L411-1(lines 411 431) no Hoare annotation was computed. [2020-09-21 11:12:26,445 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 397 442) no Hoare annotation was computed. [2020-09-21 11:12:26,445 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 397 442) no Hoare annotation was computed. [2020-09-21 11:12:26,445 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 397 442) no Hoare annotation was computed. [2020-09-21 11:12:26,445 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 595 604) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:26,445 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 595 604) no Hoare annotation was computed. [2020-09-21 11:12:26,445 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 595 604) no Hoare annotation was computed. [2020-09-21 11:12:26,446 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 737 747) the Hoare annotation is: true [2020-09-21 11:12:26,446 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 737 747) no Hoare annotation was computed. [2020-09-21 11:12:26,446 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 737 747) no Hoare annotation was computed. [2020-09-21 11:12:26,446 INFO L271 CegarLoopResult]: At program point L742(line 742) the Hoare annotation is: true [2020-09-21 11:12:26,446 INFO L268 CegarLoopResult]: For program point L742-1(line 742) no Hoare annotation was computed. [2020-09-21 11:12:26,446 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 729 736) the Hoare annotation is: true [2020-09-21 11:12:26,446 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 729 736) no Hoare annotation was computed. [2020-09-21 11:12:26,446 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 729 736) no Hoare annotation was computed. [2020-09-21 11:12:26,447 INFO L264 CegarLoopResult]: At program point L698(line 698) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))))) [2020-09-21 11:12:26,447 INFO L268 CegarLoopResult]: For program point L698-1(lines 679 703) no Hoare annotation was computed. [2020-09-21 11:12:26,447 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 679 703) no Hoare annotation was computed. [2020-09-21 11:12:26,447 INFO L264 CegarLoopResult]: At program point L693(line 693) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-09-21 11:12:26,447 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 679 703) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))))) [2020-09-21 11:12:26,447 INFO L264 CegarLoopResult]: At program point L689(line 689) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-09-21 11:12:26,447 INFO L268 CegarLoopResult]: For program point L687(lines 687 695) no Hoare annotation was computed. [2020-09-21 11:12:26,447 INFO L264 CegarLoopResult]: At program point L685(line 685) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-09-21 11:12:26,448 INFO L268 CegarLoopResult]: For program point L685-1(line 685) no Hoare annotation was computed. [2020-09-21 11:12:26,448 INFO L268 CegarLoopResult]: For program point L683(lines 683 700) no Hoare annotation was computed. [2020-09-21 11:12:26,448 INFO L264 CegarLoopResult]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:26,448 INFO L264 CegarLoopResult]: At program point testENTRY(lines 843 910) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:26,448 INFO L268 CegarLoopResult]: For program point L863(lines 863 869) no Hoare annotation was computed. [2020-09-21 11:12:26,448 INFO L268 CegarLoopResult]: For program point L863-1(lines 863 869) no Hoare annotation was computed. [2020-09-21 11:12:26,448 INFO L268 CegarLoopResult]: For program point L855(lines 855 859) no Hoare annotation was computed. [2020-09-21 11:12:26,449 INFO L268 CegarLoopResult]: For program point testFINAL(lines 843 910) no Hoare annotation was computed. [2020-09-21 11:12:26,449 INFO L264 CegarLoopResult]: At program point L903(lines 852 904) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:12:26,449 INFO L264 CegarLoopResult]: At program point L893(line 893) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:26,449 INFO L268 CegarLoopResult]: For program point L891(lines 891 897) no Hoare annotation was computed. [2020-09-21 11:12:26,449 INFO L264 CegarLoopResult]: At program point L891-1(lines 883 898) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:26,449 INFO L268 CegarLoopResult]: For program point L854(lines 853 902) no Hoare annotation was computed. [2020-09-21 11:12:26,449 INFO L264 CegarLoopResult]: At program point L885(line 885) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:26,449 INFO L268 CegarLoopResult]: For program point L883(lines 883 898) no Hoare annotation was computed. [2020-09-21 11:12:26,450 INFO L264 CegarLoopResult]: At program point L875(line 875) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:26,450 INFO L268 CegarLoopResult]: For program point L873(lines 873 879) no Hoare annotation was computed. [2020-09-21 11:12:26,450 INFO L268 CegarLoopResult]: For program point L873-1(lines 873 879) no Hoare annotation was computed. [2020-09-21 11:12:26,450 INFO L264 CegarLoopResult]: At program point L900(lines 853 902) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:26,450 INFO L268 CegarLoopResult]: For program point testEXIT(lines 843 910) no Hoare annotation was computed. [2020-09-21 11:12:26,450 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 351 396) no Hoare annotation was computed. [2020-09-21 11:12:26,450 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 351 396) no Hoare annotation was computed. [2020-09-21 11:12:26,450 INFO L268 CegarLoopResult]: For program point L371(lines 371 378) no Hoare annotation was computed. [2020-09-21 11:12:26,451 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 351 396) no Hoare annotation was computed. [2020-09-21 11:12:26,451 INFO L268 CegarLoopResult]: For program point L365(lines 365 385) no Hoare annotation was computed. [2020-09-21 11:12:26,451 INFO L268 CegarLoopResult]: For program point L365-1(lines 365 385) no Hoare annotation was computed. [2020-09-21 11:12:26,451 INFO L268 CegarLoopResult]: For program point L505(lines 505 513) no Hoare annotation was computed. [2020-09-21 11:12:26,451 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 497 519) no Hoare annotation was computed. [2020-09-21 11:12:26,451 INFO L268 CegarLoopResult]: For program point L505-2(lines 505 513) no Hoare annotation was computed. [2020-09-21 11:12:26,451 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 497 519) no Hoare annotation was computed. [2020-09-21 11:12:26,451 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 497 519) no Hoare annotation was computed. [2020-09-21 11:12:26,452 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-09-21 11:12:26,452 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-09-21 11:12:26,452 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-09-21 11:12:26,452 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 248 350) no Hoare annotation was computed. [2020-09-21 11:12:26,452 INFO L268 CegarLoopResult]: For program point L318(lines 296 319) no Hoare annotation was computed. [2020-09-21 11:12:26,452 INFO L268 CegarLoopResult]: For program point L277(lines 277 293) no Hoare annotation was computed. [2020-09-21 11:12:26,452 INFO L268 CegarLoopResult]: For program point L337(lines 337 344) no Hoare annotation was computed. [2020-09-21 11:12:26,452 INFO L268 CegarLoopResult]: For program point L298(lines 297 317) no Hoare annotation was computed. [2020-09-21 11:12:26,452 INFO L268 CegarLoopResult]: For program point L329(line 329) no Hoare annotation was computed. [2020-09-21 11:12:26,453 INFO L268 CegarLoopResult]: For program point L329-1(line 329) no Hoare annotation was computed. [2020-09-21 11:12:26,453 INFO L268 CegarLoopResult]: For program point L294(lines 294 335) no Hoare annotation was computed. [2020-09-21 11:12:26,453 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 248 350) no Hoare annotation was computed. [2020-09-21 11:12:26,453 INFO L268 CegarLoopResult]: For program point L313(line 313) no Hoare annotation was computed. [2020-09-21 11:12:26,453 INFO L268 CegarLoopResult]: For program point L313-1(line 313) no Hoare annotation was computed. [2020-09-21 11:12:26,453 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 248 350) no Hoare annotation was computed. [2020-09-21 11:12:26,453 INFO L268 CegarLoopResult]: For program point L272(lines 272 276) no Hoare annotation was computed. [2020-09-21 11:12:26,453 INFO L268 CegarLoopResult]: For program point L336(lines 336 347) no Hoare annotation was computed. [2020-09-21 11:12:26,453 INFO L268 CegarLoopResult]: For program point L299(lines 299 303) no Hoare annotation was computed. [2020-09-21 11:12:26,453 INFO L268 CegarLoopResult]: For program point L297-2(lines 297 317) no Hoare annotation was computed. [2020-09-21 11:12:26,454 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:12:26,454 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~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.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)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:12:26,454 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:12:26,454 INFO L268 CegarLoopResult]: For program point L719(lines 719 725) no Hoare annotation was computed. [2020-09-21 11:12:26,454 INFO L268 CegarLoopResult]: For program point L717(line 717) no Hoare annotation was computed. [2020-09-21 11:12:26,454 INFO L268 CegarLoopResult]: For program point L717-1(line 717) no Hoare annotation was computed. [2020-09-21 11:12:26,455 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 712 728) no Hoare annotation was computed. [2020-09-21 11:12:26,455 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 712 728) no Hoare annotation was computed. [2020-09-21 11:12:26,455 INFO L268 CegarLoopResult]: For program point L723(line 723) no Hoare annotation was computed. [2020-09-21 11:12:26,455 INFO L268 CegarLoopResult]: For program point L723-1(lines 712 728) no Hoare annotation was computed. [2020-09-21 11:12:26,455 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 520 528) the Hoare annotation is: true [2020-09-21 11:12:26,455 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 520 528) no Hoare annotation was computed. [2020-09-21 11:12:26,455 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 520 528) no Hoare annotation was computed. [2020-09-21 11:12:26,455 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:12:26,456 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:12:26,456 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:12:26,456 INFO L268 CegarLoopResult]: For program point L480-1(lines 476 487) no Hoare annotation was computed. [2020-09-21 11:12:26,456 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 476 487) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1))) [2020-09-21 11:12:26,456 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 476 487) no Hoare annotation was computed. [2020-09-21 11:12:26,456 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 488 496) the Hoare annotation is: true [2020-09-21 11:12:26,456 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 488 496) no Hoare annotation was computed. [2020-09-21 11:12:26,456 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 488 496) no Hoare annotation was computed. [2020-09-21 11:12:26,457 INFO L264 CegarLoopResult]: At program point L660(line 660) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 2)) .cse0 (and (= 2 ~waterLevel~0) .cse1)) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)) .cse0))) [2020-09-21 11:12:26,457 INFO L264 CegarLoopResult]: At program point L658(lines 658 664) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-09-21 11:12:26,457 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 647 670) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 2)) .cse0 (and (= 2 ~waterLevel~0) .cse1)) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)) .cse0))) [2020-09-21 11:12:26,457 INFO L264 CegarLoopResult]: At program point L653(line 653) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0) (or (not (= |old(~waterLevel~0)| 2)) .cse0))) [2020-09-21 11:12:26,457 INFO L268 CegarLoopResult]: For program point L651(lines 650 669) no Hoare annotation was computed. [2020-09-21 11:12:26,457 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 647 670) no Hoare annotation was computed. [2020-09-21 11:12:26,457 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 647 670) no Hoare annotation was computed. [2020-09-21 11:12:26,458 INFO L271 CegarLoopResult]: At program point L546-1(lines 546 550) the Hoare annotation is: true [2020-09-21 11:12:26,458 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 532 561) no Hoare annotation was computed. [2020-09-21 11:12:26,458 INFO L268 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-09-21 11:12:26,458 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 532 561) the Hoare annotation is: true [2020-09-21 11:12:26,458 INFO L271 CegarLoopResult]: At program point L542-2(lines 542 556) the Hoare annotation is: true [2020-09-21 11:12:26,458 INFO L271 CegarLoopResult]: At program point L538(line 538) the Hoare annotation is: true [2020-09-21 11:12:26,458 INFO L268 CegarLoopResult]: For program point L538-1(line 538) no Hoare annotation was computed. [2020-09-21 11:12:26,458 INFO L271 CegarLoopResult]: At program point L557(lines 532 561) the Hoare annotation is: true [2020-09-21 11:12:26,458 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-21 11:12:26,459 INFO L268 CegarLoopResult]: For program point L546(lines 546 550) no Hoare annotation was computed. [2020-09-21 11:12:26,459 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 452 463) the Hoare annotation is: true [2020-09-21 11:12:26,459 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 452 463) no Hoare annotation was computed. [2020-09-21 11:12:26,459 INFO L268 CegarLoopResult]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2020-09-21 11:12:26,459 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 587 593) no Hoare annotation was computed. [2020-09-21 11:12:26,459 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 587 593) the Hoare annotation is: true [2020-09-21 11:12:26,459 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:12:26,460 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 11:12:26,460 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:12:26,460 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:12:26,460 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 808 815) no Hoare annotation was computed. [2020-09-21 11:12:26,460 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 808 815) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))))) [2020-09-21 11:12:26,460 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 808 815) no Hoare annotation was computed. [2020-09-21 11:12:26,460 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 464 475) no Hoare annotation was computed. [2020-09-21 11:12:26,461 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 464 475) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2))) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0))) [2020-09-21 11:12:26,461 INFO L268 CegarLoopResult]: For program point L468-1(lines 464 475) no Hoare annotation was computed. [2020-09-21 11:12:26,461 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 629 636) no Hoare annotation was computed. [2020-09-21 11:12:26,461 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 633) no Hoare annotation was computed. [2020-09-21 11:12:26,461 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 629 636) the Hoare annotation is: true [2020-09-21 11:12:26,461 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 629 636) no Hoare annotation was computed. [2020-09-21 11:12:26,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:12:26 BoogieIcfgContainer [2020-09-21 11:12:26,482 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:12:26,484 INFO L168 Benchmark]: Toolchain (without parser) took 52324.48 ms. Allocated memory was 141.0 MB in the beginning and 715.7 MB in the end (delta: 574.6 MB). Free memory was 101.9 MB in the beginning and 421.4 MB in the end (delta: -319.5 MB). Peak memory consumption was 562.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:26,485 INFO L168 Benchmark]: CDTParser took 0.79 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:12:26,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.83 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 101.2 MB in the beginning and 174.4 MB in the end (delta: -73.1 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:26,486 INFO L168 Benchmark]: Boogie Preprocessor took 105.32 ms. Allocated memory is still 205.0 MB. Free memory was 174.4 MB in the beginning and 170.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:26,487 INFO L168 Benchmark]: RCFGBuilder took 1114.23 ms. Allocated memory was 205.0 MB in the beginning and 236.5 MB in the end (delta: 31.5 MB). Free memory was 169.8 MB in the beginning and 197.7 MB in the end (delta: -27.9 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:26,487 INFO L168 Benchmark]: TraceAbstraction took 50417.18 ms. Allocated memory was 236.5 MB in the beginning and 715.7 MB in the end (delta: 479.2 MB). Free memory was 197.7 MB in the beginning and 421.4 MB in the end (delta: -223.7 MB). Peak memory consumption was 563.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:26,490 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 677.83 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 101.2 MB in the beginning and 174.4 MB in the end (delta: -73.1 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.32 ms. Allocated memory is still 205.0 MB. Free memory was 174.4 MB in the beginning and 170.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1114.23 ms. Allocated memory was 205.0 MB in the beginning and 236.5 MB in the end (delta: 31.5 MB). Free memory was 169.8 MB in the beginning and 197.7 MB in the end (delta: -27.9 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 50417.18 ms. Allocated memory was 236.5 MB in the beginning and 715.7 MB in the end (delta: 479.2 MB). Free memory was 197.7 MB in the beginning and 421.4 MB in the end (delta: -223.7 MB). Peak memory consumption was 563.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 633]: 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: 853]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || ((\old(waterLevel) == waterLevel && splverifierCounter <= 0) && pumpRunning == 0)) || ((2 == waterLevel && splverifierCounter <= 0) && pumpRunning == 0)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 221 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 15.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 28.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 651 SDtfs, 1035 SDslu, 568 SDs, 0 SdLazy, 2741 SolverSat, 785 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 168 GetRequests, 111 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=669occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 323 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 643 PreInvPairs, 699 NumberOfFragments, 1024 HoareAnnotationTreeSize, 643 FomulaSimplifications, 160441 FormulaSimplificationTreeSizeReduction, 19.7s HoareSimplificationTime, 54 FomulaSimplificationsInter, 13549 FormulaSimplificationTreeSizeReductionInter, 8.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 324 NumberOfCodeBlocks, 324 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 318 ConstructedInterpolants, 0 QuantifiedInterpolants, 91758 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...