/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_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:11:18,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:11:18,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:11:18,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:11:18,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:11:18,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:11:18,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:11:18,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:11:18,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:11:18,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:11:18,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:11:18,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:11:18,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:11:18,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:11:18,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:11:18,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:11:18,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:11:18,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:11:18,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:11:18,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:11:18,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:11:18,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:11:18,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:11:18,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:11:18,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:11:18,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:11:18,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:11:18,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:11:18,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:11:18,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:11:18,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:11:18,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:11:18,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:11:18,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:11:18,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:11:18,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:11:18,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:11:18,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:11:18,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:11:18,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:11:18,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:11:18,130 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 11:11:18,156 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:11:18,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:11:18,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:11:18,158 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:11:18,159 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:11:18,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:11:18,159 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:11:18,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:11:18,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:11:18,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:11:18,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:11:18,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:11:18,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:11:18,161 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:11:18,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:11:18,161 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:11:18,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:11:18,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:11:18,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:11:18,162 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:11:18,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:11:18,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:11:18,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:11:18,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:11:18,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:11:18,163 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:11:18,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:11:18,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:11:18,164 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:11:18,164 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 11:11:18,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:11:18,641 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:11:18,645 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:11:18,647 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:11:18,647 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:11:18,649 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c [2020-09-21 11:11:18,732 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/86608a47e/a1a98a3828b642f6add8d6a9518a3552/FLAGe6073d4af [2020-09-21 11:11:19,356 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:11:19,356 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c [2020-09-21 11:11:19,385 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/86608a47e/a1a98a3828b642f6add8d6a9518a3552/FLAGe6073d4af [2020-09-21 11:11:19,629 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/86608a47e/a1a98a3828b642f6add8d6a9518a3552 [2020-09-21 11:11:19,645 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:11:19,650 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:11:19,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:11:19,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:11:19,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:11:19,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:11:19" (1/1) ... [2020-09-21 11:11:19,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:19, skipping insertion in model container [2020-09-21 11:11:19,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:11:19" (1/1) ... [2020-09-21 11:11:19,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:11:19,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:11:20,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:11:20,116 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:11:20,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:11:20,387 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:11:20,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:20 WrapperNode [2020-09-21 11:11:20,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:11:20,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:11:20,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:11:20,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:11:20,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:20" (1/1) ... [2020-09-21 11:11:20,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:20" (1/1) ... [2020-09-21 11:11:20,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:20" (1/1) ... [2020-09-21 11:11:20,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:20" (1/1) ... [2020-09-21 11:11:20,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:20" (1/1) ... [2020-09-21 11:11:20,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:20" (1/1) ... [2020-09-21 11:11:20,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:20" (1/1) ... [2020-09-21 11:11:20,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:11:20,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:11:20,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:11:20,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:11:20,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:20" (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 11:11:20,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:11:20,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:11:20,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:11:20,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:11:20,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:11:20,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:11:20,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:11:20,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:11:20,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:11:20,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:11:20,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:11:20,602 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:11:20,602 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:11:20,603 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:11:20,603 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:11:20,604 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:11:20,604 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:11:20,604 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:11:20,605 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:11:20,605 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:11:20,605 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-21 11:11:20,605 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:11:20,605 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:11:20,606 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:11:20,606 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:11:20,607 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:11:20,607 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:11:20,607 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:11:20,608 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:11:20,608 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:11:20,608 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:11:20,608 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:11:20,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:11:20,608 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:11:20,609 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:11:20,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:11:20,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:11:20,609 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:11:20,609 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:11:20,610 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:11:20,610 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:11:20,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:11:20,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:11:20,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:11:20,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:11:20,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:11:20,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:11:20,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:11:20,613 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:11:20,613 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:11:20,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:11:20,613 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:11:20,613 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:11:20,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:11:20,614 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:11:20,614 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:11:20,615 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:11:20,615 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:11:20,615 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:11:20,615 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:11:20,615 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:11:20,615 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:11:20,616 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:11:20,616 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:11:20,616 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:11:20,616 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:11:20,616 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:11:20,616 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:11:20,616 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:11:20,617 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:11:20,617 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:11:20,618 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-21 11:11:20,619 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:11:20,619 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:11:20,619 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:11:20,620 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:11:20,620 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:11:20,620 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:11:20,620 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:11:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:11:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:11:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:11:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:11:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:11:21,606 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:11:21,607 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:11:21,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:11:21 BoogieIcfgContainer [2020-09-21 11:11:21,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:11:21,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:11:21,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:11:21,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:11:21,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:11:19" (1/3) ... [2020-09-21 11:11:21,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60858493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:11:21, skipping insertion in model container [2020-09-21 11:11:21,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:11:20" (2/3) ... [2020-09-21 11:11:21,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60858493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:11:21, skipping insertion in model container [2020-09-21 11:11:21,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:11:21" (3/3) ... [2020-09-21 11:11:21,623 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product09.cil.c [2020-09-21 11:11:21,637 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:11:21,649 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:11:21,673 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:11:21,706 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:11:21,706 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:11:21,706 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:11:21,707 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:11:21,707 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:11:21,707 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:11:21,707 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:11:21,707 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:11:21,734 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-09-21 11:11:21,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:11:21,745 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:21,747 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 11:11:21,747 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:21,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:21,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1141825369, now seen corresponding path program 1 times [2020-09-21 11:11:21,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:21,769 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [393047794] [2020-09-21 11:11:21,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:22,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:22,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:22,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:22,059 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:22,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:11:22,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:22,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:11:22,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:22,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:22,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:11:22,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:22,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 11:11:22,488 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:22,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:22,503 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:22,504 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:22,504 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:22,504 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:22,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:22,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:22,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:22,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:22,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:22,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:22,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:22,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:22,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:22,565 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:22,566 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:22,566 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:22,566 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:22,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:22,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:22,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:22,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:22,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:22,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:22,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:22,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:22,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:22,573 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:22,573 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:22,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:22,574 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:22,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:22,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:22,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:22,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:22,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:22,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:22,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:22,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:22,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:22,580 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:22,580 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:22,581 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:22,581 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:22,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:22,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:22,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:22,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:22,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:22,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:22,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:22,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:22,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:22,588 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:22,589 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:22,589 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:22,589 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:22,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:22,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:22,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:22,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:22,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:22,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:22,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:22,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:22,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:11:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:22,596 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:22,596 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:22,597 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:22,597 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:22,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:22,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:22,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:22,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:22,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:22,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:22,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:22,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:22,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:11:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:22,604 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:22,605 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:22,605 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:22,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:22,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:22,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:22,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:22,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:22,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:22,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:22,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:22,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:22,623 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 11:11:22,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [393047794] [2020-09-21 11:11:22,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:22,626 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:11:22,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458447782] [2020-09-21 11:11:22,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:11:22,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:22,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:11:22,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:11:22,656 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 3 states. [2020-09-21 11:11:23,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:23,507 INFO L93 Difference]: Finished difference Result 199 states and 270 transitions. [2020-09-21 11:11:23,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:11:23,510 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:11:23,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:23,527 INFO L225 Difference]: With dead ends: 199 [2020-09-21 11:11:23,527 INFO L226 Difference]: Without dead ends: 109 [2020-09-21 11:11:23,533 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 11:11:23,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-09-21 11:11:23,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81. [2020-09-21 11:11:23,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-09-21 11:11:23,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2020-09-21 11:11:23,643 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 46 [2020-09-21 11:11:23,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:23,644 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2020-09-21 11:11:23,644 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:11:23,645 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2020-09-21 11:11:23,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:11:23,655 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:23,655 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 11:11:23,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:11:23,656 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:23,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:23,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1674217379, now seen corresponding path program 1 times [2020-09-21 11:11:23,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:23,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [90115857] [2020-09-21 11:11:23,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:23,748 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:23,748 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:23,749 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:23,749 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:23,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:11:23,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:23,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:11:23,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:23,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:23,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:11:23,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:11:23,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:24,034 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:24,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:24,043 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:24,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:24,044 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:24,044 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:24,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:24,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:24,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:24,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:24,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:24,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:24,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:24,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:24,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:24,083 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:24,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:24,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:24,084 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:24,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:24,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:24,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:24,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:24,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:24,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:24,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:24,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:24,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:24,089 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:24,089 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:24,089 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:24,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:24,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:24,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:24,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:24,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:24,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:24,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:24,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:24,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:24,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:24,094 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:24,094 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:24,094 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:24,095 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:24,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:24,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:24,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:24,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:24,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:24,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:24,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:24,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:24,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:24,102 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:24,103 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:24,103 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:24,103 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:24,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:24,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:24,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:24,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:24,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:24,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:24,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:24,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:24,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:11:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:24,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:24,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:24,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:24,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:24,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:24,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:24,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:24,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:24,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:24,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:24,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:24,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:24,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:11:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:24,113 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:24,113 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:24,114 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:24,114 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:24,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:24,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:24,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:24,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:24,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:24,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:24,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:24,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:24,122 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 11:11:24,123 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [90115857] [2020-09-21 11:11:24,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:24,123 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:11:24,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378161068] [2020-09-21 11:11:24,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:11:24,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:24,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:11:24,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:11:24,127 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand 4 states. [2020-09-21 11:11:24,602 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:11:25,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:25,101 INFO L93 Difference]: Finished difference Result 132 states and 161 transitions. [2020-09-21 11:11:25,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:11:25,103 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:11:25,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:25,105 INFO L225 Difference]: With dead ends: 132 [2020-09-21 11:11:25,105 INFO L226 Difference]: Without dead ends: 93 [2020-09-21 11:11:25,108 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 11:11:25,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-09-21 11:11:25,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72. [2020-09-21 11:11:25,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-09-21 11:11:25,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 82 transitions. [2020-09-21 11:11:25,163 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 82 transitions. Word has length 47 [2020-09-21 11:11:25,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:25,164 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 82 transitions. [2020-09-21 11:11:25,164 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:11:25,164 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2020-09-21 11:11:25,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:11:25,169 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:25,170 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] [2020-09-21 11:11:25,170 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:11:25,170 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:25,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:25,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1654524971, now seen corresponding path program 1 times [2020-09-21 11:11:25,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:25,171 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2107767101] [2020-09-21 11:11:25,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:25,335 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:11:25,336 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:25,336 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:25,336 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:25,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 11:11:25,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:25,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-21 11:11:25,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:25,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:25,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:25,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:11:25,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:25,672 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:25,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:25,778 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:25,779 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:25,779 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:25,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:25,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:25,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:25,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-21 11:11:25,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:25,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:25,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:25,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:25,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:25,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:25,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:25,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:25,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:25,830 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:25,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:25,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:25,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:25,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:25,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:25,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:25,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:25,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:25,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:25,837 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:25,837 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:25,837 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:25,838 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:25,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:25,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:25,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:25,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:25,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:25,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:25,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:25,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:25,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:25,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:25,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:25,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:25,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:25,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:25,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:25,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:25,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:25,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:25,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:25,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:25,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:25,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:25,860 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:25,861 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:25,861 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:25,862 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:25,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:25,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:25,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:11:25,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:25,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:25,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:25,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:25,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:25,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:11:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:25,870 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:25,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:25,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:25,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:25,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:25,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:25,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:25,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:25,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:25,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:25,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:25,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:25,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:11:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:25,876 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:25,877 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:25,877 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:25,877 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:25,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:25,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:25,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:25,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:25,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:25,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:25,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:25,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 11:11:25,893 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 11:11:25,894 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2107767101] [2020-09-21 11:11:25,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:25,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:11:25,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997943555] [2020-09-21 11:11:25,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:11:25,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:25,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:11:25,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:11:25,898 INFO L87 Difference]: Start difference. First operand 72 states and 82 transitions. Second operand 4 states. [2020-09-21 11:11:26,250 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:26,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:26,794 INFO L93 Difference]: Finished difference Result 141 states and 175 transitions. [2020-09-21 11:11:26,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:11:26,794 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:11:26,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:26,797 INFO L225 Difference]: With dead ends: 141 [2020-09-21 11:11:26,797 INFO L226 Difference]: Without dead ends: 93 [2020-09-21 11:11:26,798 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 11:11:26,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-09-21 11:11:26,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72. [2020-09-21 11:11:26,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-09-21 11:11:26,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2020-09-21 11:11:26,840 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 51 [2020-09-21 11:11:26,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:26,841 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2020-09-21 11:11:26,841 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:11:26,841 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2020-09-21 11:11:26,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-21 11:11:26,851 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:26,852 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] [2020-09-21 11:11:26,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:11:26,852 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:26,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:26,853 INFO L82 PathProgramCache]: Analyzing trace with hash 905199539, now seen corresponding path program 1 times [2020-09-21 11:11:26,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:26,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [768213533] [2020-09-21 11:11:26,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:27,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:11:27,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:27,364 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:27,365 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:27,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:11:27,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:27,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 431 [2020-09-21 11:11:27,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:27,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:11:27,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:27,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-21 11:11:27,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:27,755 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:27,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:27,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:27,813 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:27,813 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:27,813 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:27,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:27,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:27,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-21 11:11:27,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:27,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:27,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:27,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:27,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:27,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:27,847 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:27,847 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:27,848 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:27,848 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:27,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:27,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:27,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:27,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:27,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:27,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:27,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:27,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:27,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:27,853 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:27,853 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:27,853 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:27,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:27,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:27,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:27,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:27,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:27,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:27,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:27,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:27,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:27,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:27,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:27,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:27,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:27,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:27,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:27,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:27,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:27,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:27,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:27,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:27,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:27,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:27,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:27,864 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:27,865 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:27,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:27,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:27,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:27,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:27,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:27,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:27,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:27,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:27,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:27,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:27,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:11:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:27,871 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:27,871 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:27,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:27,872 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:27,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:27,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:27,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:27,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:27,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:27,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:27,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:27,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:27,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:11:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:27,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:27,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:27,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:27,879 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:27,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:27,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:27,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:27,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:27,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:27,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:27,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:27,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:27,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 11:11:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:27,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:27,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:27,899 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:27,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:27,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:27,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:27,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:27,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:27,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:27,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:27,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:27,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:27,909 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 11:11:27,909 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [768213533] [2020-09-21 11:11:27,909 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:27,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:11:27,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656625123] [2020-09-21 11:11:27,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:11:27,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:27,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:11:27,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:11:27,911 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 7 states. [2020-09-21 11:11:28,277 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:29,184 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:29,502 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:29,788 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:30,060 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:30,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:30,433 INFO L93 Difference]: Finished difference Result 176 states and 222 transitions. [2020-09-21 11:11:30,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:11:30,434 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2020-09-21 11:11:30,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:30,436 INFO L225 Difference]: With dead ends: 176 [2020-09-21 11:11:30,441 INFO L226 Difference]: Without dead ends: 128 [2020-09-21 11:11:30,442 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:11:30,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-09-21 11:11:30,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 116. [2020-09-21 11:11:30,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-09-21 11:11:30,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 136 transitions. [2020-09-21 11:11:30,504 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 136 transitions. Word has length 54 [2020-09-21 11:11:30,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:30,505 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 136 transitions. [2020-09-21 11:11:30,505 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:11:30,506 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 136 transitions. [2020-09-21 11:11:30,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-21 11:11:30,509 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:30,509 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] [2020-09-21 11:11:30,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:11:30,509 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:30,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:30,510 INFO L82 PathProgramCache]: Analyzing trace with hash 526840461, now seen corresponding path program 1 times [2020-09-21 11:11:30,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:30,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1965003725] [2020-09-21 11:11:30,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:30,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:30,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:30,584 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:30,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:30,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-21 11:11:30,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:30,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-21 11:11:30,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:30,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:30,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:30,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 11:11:30,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:30,943 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:30,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:31,010 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:31,011 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:31,011 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:31,011 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:31,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:31,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:31,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-21 11:11:31,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:31,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:31,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:31,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:31,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:31,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:31,048 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:31,048 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:31,048 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:31,049 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:31,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:31,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:31,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:31,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:31,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:31,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:31,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:31,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:31,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:31,055 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:31,055 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:31,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:31,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:31,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:31,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:31,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:31,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:31,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:31,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:31,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:31,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:31,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:31,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:31,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:31,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:31,064 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:31,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:31,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:31,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:31,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:31,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:31,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:31,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:31,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:31,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:31,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:31,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:31,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:31,071 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:31,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:31,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:31,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:31,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:31,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:31,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:31,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:31,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:31,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:11:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:31,090 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:31,090 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:31,091 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:31,091 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:31,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:31,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:31,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:31,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:31,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:31,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:31,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:31,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:31,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:11:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:31,098 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:31,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:31,098 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:31,098 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:31,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:31,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:31,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:31,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:31,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:31,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-21 11:11:31,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:31,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:31,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:11:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:31,104 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:31,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:31,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:31,105 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:31,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:31,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:31,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:31,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:31,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:31,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:31,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:31,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:31,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:11:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:31,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:31,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:31,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:31,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:31,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:31,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:31,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:11:31,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:31,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:31,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:31,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:31,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:31,128 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 11:11:31,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1965003725] [2020-09-21 11:11:31,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:31,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:11:31,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042811060] [2020-09-21 11:11:31,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:11:31,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:31,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:11:31,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:11:31,131 INFO L87 Difference]: Start difference. First operand 116 states and 136 transitions. Second operand 5 states. [2020-09-21 11:11:31,530 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:31,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:31,993 INFO L93 Difference]: Finished difference Result 174 states and 212 transitions. [2020-09-21 11:11:31,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:11:31,994 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-09-21 11:11:31,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:31,996 INFO L225 Difference]: With dead ends: 174 [2020-09-21 11:11:31,996 INFO L226 Difference]: Without dead ends: 115 [2020-09-21 11:11:31,997 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:11:31,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-09-21 11:11:32,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 103. [2020-09-21 11:11:32,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-09-21 11:11:32,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 116 transitions. [2020-09-21 11:11:32,024 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 116 transitions. Word has length 58 [2020-09-21 11:11:32,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:32,025 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 116 transitions. [2020-09-21 11:11:32,025 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:11:32,025 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 116 transitions. [2020-09-21 11:11:32,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-21 11:11:32,026 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:32,026 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] [2020-09-21 11:11:32,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:11:32,027 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:32,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:32,027 INFO L82 PathProgramCache]: Analyzing trace with hash -675998675, now seen corresponding path program 1 times [2020-09-21 11:11:32,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:32,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [857270628] [2020-09-21 11:11:32,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:32,418 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:32,419 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:32,419 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:32,419 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:32,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-21 11:11:32,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:32,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 348 [2020-09-21 11:11:32,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:32,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:11:32,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:32,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-21 11:11:32,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:32,765 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:32,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:32,815 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:32,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:32,816 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:32,816 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:32,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:32,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:32,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:11:32,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:32,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:32,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:32,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:32,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:32,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:32,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:32,851 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:32,851 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:32,851 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:32,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:32,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:32,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:32,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:32,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:32,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:32,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:32,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:32,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:32,857 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:32,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:32,858 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:32,858 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:32,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:32,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:32,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:32,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:32,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:32,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:32,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:32,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:32,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:32,864 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:32,864 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:32,864 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:32,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:32,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:32,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:32,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:32,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:32,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:32,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:32,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:32,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:32,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:32,871 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:32,871 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:32,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:32,871 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:32,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:32,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:32,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:32,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:32,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:32,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:32,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:32,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:32,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:11:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:32,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:32,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:32,892 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:32,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:32,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:32,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:32,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:11:32,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:32,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:11:32,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:11:32,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:11:32,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:32,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:11:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:32,935 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:32,935 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:32,935 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:32,935 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:32,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:32,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:32,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:32,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:32,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:32,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:32,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:32,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:32,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:11:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:32,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:32,943 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:32,943 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:32,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:32,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:32,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:32,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:32,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:32,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:32,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:32,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:32,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:32,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:11:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:32,961 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:32,961 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:32,961 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:32,961 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:32,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:32,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:32,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:32,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:32,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:32,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:32,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:32,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:32,971 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 11:11:32,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [857270628] [2020-09-21 11:11:32,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:32,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:11:32,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800410727] [2020-09-21 11:11:32,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:11:32,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:32,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:11:32,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:11:32,974 INFO L87 Difference]: Start difference. First operand 103 states and 116 transitions. Second operand 10 states. [2020-09-21 11:11:33,465 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:34,283 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:34,768 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:35,105 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:35,443 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:35,794 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:36,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:36,015 INFO L93 Difference]: Finished difference Result 152 states and 181 transitions. [2020-09-21 11:11:36,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:11:36,015 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-09-21 11:11:36,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:36,016 INFO L225 Difference]: With dead ends: 152 [2020-09-21 11:11:36,016 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:11:36,019 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:11:36,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:11:36,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:11:36,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:11:36,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:11:36,020 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-09-21 11:11:36,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:36,020 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:11:36,020 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:11:36,024 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:11:36,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:11:36,024 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:11:36,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:11:36,267 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:36,444 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:36,619 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:36,793 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:37,301 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 170 [2020-09-21 11:11:37,470 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:37,629 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:37,786 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:38,044 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:11:38,298 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:11:38,555 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:11:38,699 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:38,953 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:11:39,214 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:11:39,461 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:11:39,626 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:39,779 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:39,935 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:40,103 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:40,255 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:40,408 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:40,561 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:40,725 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:40,878 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:41,030 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:41,186 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:41,339 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:41,494 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:41,647 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:41,800 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:41,954 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:42,109 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:42,512 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 170 [2020-09-21 11:11:42,922 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 170 [2020-09-21 11:11:43,077 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:43,232 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:43,387 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:43,807 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 170 [2020-09-21 11:11:43,963 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:44,116 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:44,336 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-21 11:11:44,556 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-21 11:11:44,788 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-21 11:11:44,994 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 20 [2020-09-21 11:11:45,209 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-21 11:11:45,418 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-21 11:11:45,625 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-21 11:11:46,255 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-09-21 11:11:46,507 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:47,101 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-09-21 11:11:47,745 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-09-21 11:11:47,956 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:11:48,160 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-21 11:11:48,775 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-09-21 11:11:48,978 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:11:49,188 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-21 11:11:49,428 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:11:49,645 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 20 [2020-09-21 11:11:49,851 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 20 [2020-09-21 11:11:50,441 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-09-21 11:11:50,643 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 20 [2020-09-21 11:11:50,853 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:11:50,859 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-09-21 11:11:50,859 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-09-21 11:11:50,859 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-21 11:11:50,860 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-09-21 11:11:50,860 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-09-21 11:11:50,860 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-09-21 11:11:50,860 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-09-21 11:11:50,860 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-09-21 11:11:50,860 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-21 11:11:50,860 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-09-21 11:11:50,861 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-09-21 11:11:50,861 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-09-21 11:11:50,861 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-09-21 11:11:50,861 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-21 11:11:50,861 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-09-21 11:11:50,861 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-09-21 11:11:50,861 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-09-21 11:11:50,861 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-09-21 11:11:50,862 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 744 750) the Hoare annotation is: true [2020-09-21 11:11:50,862 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 744 750) no Hoare annotation was computed. [2020-09-21 11:11:50,862 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 751 759) no Hoare annotation was computed. [2020-09-21 11:11:50,862 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 751 759) the Hoare annotation is: true [2020-09-21 11:11:50,862 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 751 759) no Hoare annotation was computed. [2020-09-21 11:11:50,863 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 417 441) the Hoare annotation is: true [2020-09-21 11:11:50,863 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 417 441) no Hoare annotation was computed. [2020-09-21 11:11:50,863 INFO L264 CegarLoopResult]: At program point L431(line 431) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 2)) .cse1) (or .cse0 (not (= ~waterLevel~0 1)) .cse1))) [2020-09-21 11:11:50,863 INFO L268 CegarLoopResult]: For program point L429(lines 429 435) no Hoare annotation was computed. [2020-09-21 11:11:50,863 INFO L264 CegarLoopResult]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 2)) .cse1) (or .cse0 (not (= ~waterLevel~0 1)) .cse1))) [2020-09-21 11:11:50,864 INFO L268 CegarLoopResult]: For program point L427-1(line 427) no Hoare annotation was computed. [2020-09-21 11:11:50,864 INFO L268 CegarLoopResult]: For program point L425(lines 425 438) no Hoare annotation was computed. [2020-09-21 11:11:50,864 INFO L268 CegarLoopResult]: For program point L425-1(lines 417 441) no Hoare annotation was computed. [2020-09-21 11:11:50,864 INFO L271 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: true [2020-09-21 11:11:50,864 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-09-21 11:11:50,864 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 833 855) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:11:50,864 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 833 855) no Hoare annotation was computed. [2020-09-21 11:11:50,865 INFO L264 CegarLoopResult]: At program point L845(line 845) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:11:50,865 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 833 855) no Hoare annotation was computed. [2020-09-21 11:11:50,865 INFO L264 CegarLoopResult]: At program point L845-1(line 845) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:11:50,865 INFO L268 CegarLoopResult]: For program point L843(lines 843 850) no Hoare annotation was computed. [2020-09-21 11:11:50,865 INFO L268 CegarLoopResult]: For program point L843-1(lines 843 850) no Hoare annotation was computed. [2020-09-21 11:11:50,865 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-09-21 11:11:50,866 INFO L264 CegarLoopResult]: At program point L840(line 840) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:11:50,866 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:11:50,866 INFO L264 CegarLoopResult]: At program point L839-1(line 839) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:11:50,866 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-09-21 11:11:50,866 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-09-21 11:11:50,866 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 792 815) no Hoare annotation was computed. [2020-09-21 11:11:50,866 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-09-21 11:11:50,867 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-09-21 11:11:50,867 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-09-21 11:11:50,867 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 792 815) no Hoare annotation was computed. [2020-09-21 11:11:50,867 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 792 815) no Hoare annotation was computed. [2020-09-21 11:11:50,867 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-09-21 11:11:50,867 INFO L268 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-09-21 11:11:50,867 INFO L268 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-09-21 11:11:50,867 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-09-21 11:11:50,868 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-09-21 11:11:50,868 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-09-21 11:11:50,868 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-09-21 11:11:50,868 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-09-21 11:11:50,868 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-09-21 11:11:50,868 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 632 639) no Hoare annotation was computed. [2020-09-21 11:11:50,868 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 632 639) no Hoare annotation was computed. [2020-09-21 11:11:50,868 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 632 639) no Hoare annotation was computed. [2020-09-21 11:11:50,868 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 677 685) no Hoare annotation was computed. [2020-09-21 11:11:50,869 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 677 685) the Hoare annotation is: true [2020-09-21 11:11:50,869 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 677 685) no Hoare annotation was computed. [2020-09-21 11:11:50,869 INFO L268 CegarLoopResult]: For program point L705(lines 705 713) no Hoare annotation was computed. [2020-09-21 11:11:50,869 INFO L268 CegarLoopResult]: For program point L705-2(lines 705 713) no Hoare annotation was computed. [2020-09-21 11:11:50,869 INFO L268 CegarLoopResult]: For program point L693(lines 693 701) no Hoare annotation was computed. [2020-09-21 11:11:50,869 INFO L268 CegarLoopResult]: For program point L693-2(lines 693 701) no Hoare annotation was computed. [2020-09-21 11:11:50,869 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 686 721) no Hoare annotation was computed. [2020-09-21 11:11:50,870 INFO L268 CegarLoopResult]: For program point L716(line 716) no Hoare annotation was computed. [2020-09-21 11:11:50,870 INFO L268 CegarLoopResult]: For program point L716-1(line 716) no Hoare annotation was computed. [2020-09-21 11:11:50,870 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 686 721) no Hoare annotation was computed. [2020-09-21 11:11:50,870 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 686 721) no Hoare annotation was computed. [2020-09-21 11:11:50,870 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 737 743) no Hoare annotation was computed. [2020-09-21 11:11:50,870 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 737 743) the Hoare annotation is: true [2020-09-21 11:11:50,870 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-09-21 11:11:50,871 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-09-21 11:11:50,871 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-09-21 11:11:50,871 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-09-21 11:11:50,871 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-09-21 11:11:50,871 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-09-21 11:11:50,871 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-09-21 11:11:50,871 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-09-21 11:11:50,872 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-09-21 11:11:50,875 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 823 832) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:11:50,875 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 823 832) no Hoare annotation was computed. [2020-09-21 11:11:50,875 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 823 832) no Hoare annotation was computed. [2020-09-21 11:11:50,875 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 666 676) no Hoare annotation was computed. [2020-09-21 11:11:50,875 INFO L268 CegarLoopResult]: For program point L671(line 671) no Hoare annotation was computed. [2020-09-21 11:11:50,875 INFO L268 CegarLoopResult]: For program point L671-1(line 671) no Hoare annotation was computed. [2020-09-21 11:11:50,876 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 666 676) no Hoare annotation was computed. [2020-09-21 11:11:50,876 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 666 676) no Hoare annotation was computed. [2020-09-21 11:11:50,876 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 658 665) no Hoare annotation was computed. [2020-09-21 11:11:50,876 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 658 665) no Hoare annotation was computed. [2020-09-21 11:11:50,876 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 658 665) no Hoare annotation was computed. [2020-09-21 11:11:50,876 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 625 631) no Hoare annotation was computed. [2020-09-21 11:11:50,876 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 625 631) the Hoare annotation is: true [2020-09-21 11:11:50,877 INFO L268 CegarLoopResult]: For program point L576(lines 576 580) no Hoare annotation was computed. [2020-09-21 11:11:50,878 INFO L264 CegarLoopResult]: At program point testENTRY(lines 530 593) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:11:50,878 INFO L264 CegarLoopResult]: At program point L576-2(lines 570 581) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (and (= 2 ~waterLevel~0) .cse0))) [2020-09-21 11:11:50,879 INFO L268 CegarLoopResult]: For program point L541(lines 540 585) no Hoare annotation was computed. [2020-09-21 11:11:50,879 INFO L268 CegarLoopResult]: For program point L570(lines 570 581) no Hoare annotation was computed. [2020-09-21 11:11:50,879 INFO L268 CegarLoopResult]: For program point testFINAL(lines 530 593) no Hoare annotation was computed. [2020-09-21 11:11:50,879 INFO L264 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (and (= 2 ~waterLevel~0) .cse0))) [2020-09-21 11:11:50,879 INFO L268 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2020-09-21 11:11:50,879 INFO L268 CegarLoopResult]: For program point L560-1(lines 560 566) no Hoare annotation was computed. [2020-09-21 11:11:50,879 INFO L264 CegarLoopResult]: At program point L552(line 552) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (and (= 2 ~waterLevel~0) .cse0))) [2020-09-21 11:11:50,880 INFO L264 CegarLoopResult]: At program point L583(lines 540 585) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (and (= 2 ~waterLevel~0) .cse0))) [2020-09-21 11:11:50,880 INFO L268 CegarLoopResult]: For program point L550(lines 550 556) no Hoare annotation was computed. [2020-09-21 11:11:50,880 INFO L268 CegarLoopResult]: For program point L550-1(lines 550 556) no Hoare annotation was computed. [2020-09-21 11:11:50,880 INFO L268 CegarLoopResult]: For program point L542(lines 542 546) no Hoare annotation was computed. [2020-09-21 11:11:50,880 INFO L264 CegarLoopResult]: At program point L586(lines 539 587) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:50,880 INFO L268 CegarLoopResult]: For program point testEXIT(lines 530 593) no Hoare annotation was computed. [2020-09-21 11:11:50,880 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-09-21 11:11:50,880 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-09-21 11:11:50,881 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-09-21 11:11:50,881 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-09-21 11:11:50,881 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-09-21 11:11:50,881 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-09-21 11:11:50,881 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 495 517) no Hoare annotation was computed. [2020-09-21 11:11:50,881 INFO L268 CegarLoopResult]: For program point L503(lines 503 511) no Hoare annotation was computed. [2020-09-21 11:11:50,881 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 495 517) no Hoare annotation was computed. [2020-09-21 11:11:50,881 INFO L268 CegarLoopResult]: For program point L503-2(lines 503 511) no Hoare annotation was computed. [2020-09-21 11:11:50,881 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 495 517) no Hoare annotation was computed. [2020-09-21 11:11:50,882 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-09-21 11:11:50,882 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-09-21 11:11:50,882 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-09-21 11:11:50,882 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-09-21 11:11:50,882 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-09-21 11:11:50,882 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-09-21 11:11:50,882 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-09-21 11:11:50,882 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-09-21 11:11:50,882 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-09-21 11:11:50,883 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-09-21 11:11:50,883 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-09-21 11:11:50,883 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-09-21 11:11:50,883 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-09-21 11:11:50,883 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-09-21 11:11:50,883 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-09-21 11:11:50,883 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-09-21 11:11:50,883 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 727 736) no Hoare annotation was computed. [2020-09-21 11:11:50,883 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 727 736) no Hoare annotation was computed. [2020-09-21 11:11:50,884 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 727 736) no Hoare annotation was computed. [2020-09-21 11:11:50,884 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:11:50,884 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:11:50,884 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:11:50,884 INFO L268 CegarLoopResult]: For program point L652(line 652) no Hoare annotation was computed. [2020-09-21 11:11:50,884 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 641 657) no Hoare annotation was computed. [2020-09-21 11:11:50,885 INFO L268 CegarLoopResult]: For program point L652-1(lines 641 657) no Hoare annotation was computed. [2020-09-21 11:11:50,885 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 641 657) no Hoare annotation was computed. [2020-09-21 11:11:50,885 INFO L268 CegarLoopResult]: For program point L648(lines 648 654) no Hoare annotation was computed. [2020-09-21 11:11:50,885 INFO L268 CegarLoopResult]: For program point L646(line 646) no Hoare annotation was computed. [2020-09-21 11:11:50,885 INFO L268 CegarLoopResult]: For program point L646-1(line 646) no Hoare annotation was computed. [2020-09-21 11:11:50,885 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 518 526) the Hoare annotation is: true [2020-09-21 11:11:50,885 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 518 526) no Hoare annotation was computed. [2020-09-21 11:11:50,885 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 518 526) no Hoare annotation was computed. [2020-09-21 11:11:50,885 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:11:50,885 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:11:50,886 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:11:50,886 INFO L268 CegarLoopResult]: For program point L478-1(lines 474 485) no Hoare annotation was computed. [2020-09-21 11:11:50,886 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 474 485) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2))) [2020-09-21 11:11:50,886 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 474 485) no Hoare annotation was computed. [2020-09-21 11:11:50,886 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 486 494) no Hoare annotation was computed. [2020-09-21 11:11:50,886 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 486 494) no Hoare annotation was computed. [2020-09-21 11:11:50,886 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 486 494) no Hoare annotation was computed. [2020-09-21 11:11:50,886 INFO L264 CegarLoopResult]: At program point L607(line 607) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1))) [2020-09-21 11:11:50,887 INFO L268 CegarLoopResult]: For program point L605(lines 604 623) no Hoare annotation was computed. [2020-09-21 11:11:50,887 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 601 624) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:11:50,887 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 601 624) no Hoare annotation was computed. [2020-09-21 11:11:50,887 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 601 624) no Hoare annotation was computed. [2020-09-21 11:11:50,888 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:11:50,888 INFO L264 CegarLoopResult]: At program point L612(lines 612 618) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:11:50,888 INFO L271 CegarLoopResult]: At program point L768(line 768) the Hoare annotation is: true [2020-09-21 11:11:50,888 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 762 791) no Hoare annotation was computed. [2020-09-21 11:11:50,888 INFO L268 CegarLoopResult]: For program point L768-1(line 768) no Hoare annotation was computed. [2020-09-21 11:11:50,889 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 762 791) the Hoare annotation is: true [2020-09-21 11:11:50,889 INFO L271 CegarLoopResult]: At program point L787(lines 762 791) the Hoare annotation is: true [2020-09-21 11:11:50,889 INFO L268 CegarLoopResult]: For program point L783(line 783) no Hoare annotation was computed. [2020-09-21 11:11:50,889 INFO L268 CegarLoopResult]: For program point L776(lines 776 780) no Hoare annotation was computed. [2020-09-21 11:11:50,889 INFO L271 CegarLoopResult]: At program point L776-1(lines 776 780) the Hoare annotation is: true [2020-09-21 11:11:50,890 INFO L268 CegarLoopResult]: For program point L773(line 773) no Hoare annotation was computed. [2020-09-21 11:11:50,890 INFO L271 CegarLoopResult]: At program point L772-2(lines 772 786) the Hoare annotation is: true [2020-09-21 11:11:50,890 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 450 461) the Hoare annotation is: true [2020-09-21 11:11:50,890 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 450 461) no Hoare annotation was computed. [2020-09-21 11:11:50,890 INFO L268 CegarLoopResult]: For program point L454-1(lines 450 461) no Hoare annotation was computed. [2020-09-21 11:11:50,890 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 816 822) no Hoare annotation was computed. [2020-09-21 11:11:50,891 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 816 822) the Hoare annotation is: true [2020-09-21 11:11:50,891 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:11:50,891 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 11:11:50,891 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:11:50,891 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:11:50,892 INFO L268 CegarLoopResult]: For program point L466-1(lines 462 473) no Hoare annotation was computed. [2020-09-21 11:11:50,892 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 462 473) no Hoare annotation was computed. [2020-09-21 11:11:50,892 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 462 473) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:11:50,892 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2020-09-21 11:11:50,892 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2020-09-21 11:11:50,892 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2020-09-21 11:11:50,892 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2020-09-21 11:11:50,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:11:50 BoogieIcfgContainer [2020-09-21 11:11:50,924 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:11:50,932 INFO L168 Benchmark]: Toolchain (without parser) took 31279.00 ms. Allocated memory was 140.0 MB in the beginning and 600.3 MB in the end (delta: 460.3 MB). Free memory was 101.8 MB in the beginning and 184.1 MB in the end (delta: -82.3 MB). Peak memory consumption was 436.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:50,933 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:11:50,934 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.97 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 101.2 MB in the beginning and 175.1 MB in the end (delta: -73.9 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:50,935 INFO L168 Benchmark]: Boogie Preprocessor took 118.87 ms. Allocated memory is still 204.5 MB. Free memory was 175.1 MB in the beginning and 171.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:50,941 INFO L168 Benchmark]: RCFGBuilder took 1105.60 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 171.0 MB in the beginning and 206.0 MB in the end (delta: -35.0 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:50,942 INFO L168 Benchmark]: TraceAbstraction took 29308.74 ms. Allocated memory was 238.0 MB in the beginning and 600.3 MB in the end (delta: 362.3 MB). Free memory was 206.0 MB in the beginning and 184.1 MB in the end (delta: 21.9 MB). Peak memory consumption was 442.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:50,951 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 734.97 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 101.2 MB in the beginning and 175.1 MB in the end (delta: -73.9 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.87 ms. Allocated memory is still 204.5 MB. Free memory was 175.1 MB in the beginning and 171.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1105.60 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 171.0 MB in the beginning and 206.0 MB in the end (delta: -35.0 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29308.74 ms. Allocated memory was 238.0 MB in the beginning and 600.3 MB in the end (delta: 362.3 MB). Free memory was 206.0 MB in the beginning and 184.1 MB in the end (delta: 21.9 MB). Peak memory consumption was 442.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 772]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) == 1) || (waterLevel == 1 && splverifierCounter <= 0)) || !(pumpRunning == 0)) || !(1 == systemActive)) || (2 == waterLevel && splverifierCounter <= 0) - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(waterLevel) == 1)) || !(pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 201 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.3s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 410 SDtfs, 539 SDslu, 279 SDs, 0 SdLazy, 1046 SolverSat, 315 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 94 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 165 PreInvPairs, 185 NumberOfFragments, 738 HoareAnnotationTreeSize, 165 FomulaSimplifications, 25356 FormulaSimplificationTreeSizeReduction, 8.0s HoareSimplificationTime, 40 FomulaSimplificationsInter, 7672 FormulaSimplificationTreeSizeReductionInter, 6.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 314 NumberOfCodeBlocks, 314 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 86154 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...