/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 18:00:06,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 18:00:06,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 18:00:06,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 18:00:06,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 18:00:06,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 18:00:06,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 18:00:06,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 18:00:06,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 18:00:06,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 18:00:06,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 18:00:06,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 18:00:06,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 18:00:06,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 18:00:06,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 18:00:06,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 18:00:06,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 18:00:06,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 18:00:06,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 18:00:06,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 18:00:06,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 18:00:06,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 18:00:06,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 18:00:06,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 18:00:06,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 18:00:06,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 18:00:06,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 18:00:06,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 18:00:06,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 18:00:06,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 18:00:06,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 18:00:06,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 18:00:06,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 18:00:06,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 18:00:06,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 18:00:06,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 18:00:06,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 18:00:06,776 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 18:00:06,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 18:00:06,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 18:00:06,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 18:00:06,782 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 [2020-10-12 18:00:06,819 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 18:00:06,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 18:00:06,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 18:00:06,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 18:00:06,821 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 18:00:06,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 18:00:06,822 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 18:00:06,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 18:00:06,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 18:00:06,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 18:00:06,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 18:00:06,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 18:00:06,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 18:00:06,824 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 18:00:06,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 18:00:06,824 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 18:00:06,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 18:00:06,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 18:00:06,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 18:00:06,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 18:00:06,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 18:00:06,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 18:00:06,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 18:00:06,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 18:00:06,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 18:00:06,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 18:00:06,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 18:00:06,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 18:00:06,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 18:00:06,827 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 18:00:07,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 18:00:07,116 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 18:00:07,124 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 18:00:07,126 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 18:00:07,127 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 18:00:07,127 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2020-10-12 18:00:07,192 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0dcceae4c/131b783a677d4f54a00e0e40996582f2/FLAGaccb62227 [2020-10-12 18:00:07,736 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 18:00:07,737 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2020-10-12 18:00:07,751 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0dcceae4c/131b783a677d4f54a00e0e40996582f2/FLAGaccb62227 [2020-10-12 18:00:08,045 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0dcceae4c/131b783a677d4f54a00e0e40996582f2 [2020-10-12 18:00:08,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 18:00:08,056 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 18:00:08,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 18:00:08,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 18:00:08,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 18:00:08,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:00:08" (1/1) ... [2020-10-12 18:00:08,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3451cfe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:08, skipping insertion in model container [2020-10-12 18:00:08,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:00:08" (1/1) ... [2020-10-12 18:00:08,073 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 18:00:08,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 18:00:08,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 18:00:08,530 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 18:00:08,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 18:00:08,641 INFO L208 MainTranslator]: Completed translation [2020-10-12 18:00:08,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:08 WrapperNode [2020-10-12 18:00:08,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 18:00:08,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 18:00:08,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 18:00:08,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 18:00:08,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:08" (1/1) ... [2020-10-12 18:00:08,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:08" (1/1) ... [2020-10-12 18:00:08,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:08" (1/1) ... [2020-10-12 18:00:08,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:08" (1/1) ... [2020-10-12 18:00:08,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:08" (1/1) ... [2020-10-12 18:00:08,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:08" (1/1) ... [2020-10-12 18:00:08,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:08" (1/1) ... [2020-10-12 18:00:08,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 18:00:08,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 18:00:08,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 18:00:08,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 18:00:08,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:08" (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 [2020-10-12 18:00:08,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 18:00:08,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 18:00:08,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 18:00:08,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 18:00:08,811 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 18:00:08,811 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 18:00:08,811 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 18:00:08,812 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 18:00:08,812 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 18:00:08,813 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 18:00:08,813 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 18:00:08,813 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 18:00:08,813 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 18:00:08,813 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 18:00:08,813 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-12 18:00:08,814 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-12 18:00:08,814 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-12 18:00:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-12 18:00:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-12 18:00:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-12 18:00:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 18:00:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-12 18:00:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-12 18:00:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-12 18:00:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-12 18:00:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-12 18:00:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-12 18:00:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-12 18:00:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 18:00:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 18:00:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 18:00:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 18:00:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 18:00:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 18:00:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 18:00:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 18:00:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 18:00:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 18:00:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 18:00:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 18:00:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 18:00:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 18:00:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 18:00:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 18:00:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-12 18:00:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-12 18:00:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-12 18:00:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 18:00:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 18:00:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 18:00:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 18:00:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 18:00:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-12 18:00:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-12 18:00:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-12 18:00:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-12 18:00:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-12 18:00:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-12 18:00:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-12 18:00:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-12 18:00:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-12 18:00:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 18:00:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-12 18:00:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 18:00:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 18:00:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 18:00:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 18:00:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 18:00:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 18:00:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 18:00:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 18:00:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 18:00:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 18:00:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 18:00:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 18:00:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 18:00:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 18:00:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 18:00:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 18:00:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 18:00:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 18:00:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 18:00:09,843 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 18:00:09,843 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-12 18:00:09,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:00:09 BoogieIcfgContainer [2020-10-12 18:00:09,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 18:00:09,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 18:00:09,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 18:00:09,853 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 18:00:09,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 06:00:08" (1/3) ... [2020-10-12 18:00:09,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@473a6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:00:09, skipping insertion in model container [2020-10-12 18:00:09,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:00:08" (2/3) ... [2020-10-12 18:00:09,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@473a6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:00:09, skipping insertion in model container [2020-10-12 18:00:09,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:00:09" (3/3) ... [2020-10-12 18:00:09,856 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product01.cil.c [2020-10-12 18:00:09,866 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 18:00:09,874 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 18:00:09,888 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 18:00:09,912 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 18:00:09,912 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 18:00:09,912 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 18:00:09,912 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 18:00:09,912 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 18:00:09,913 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 18:00:09,913 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 18:00:09,913 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 18:00:09,932 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-10-12 18:00:09,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-12 18:00:09,940 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:00:09,942 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] [2020-10-12 18:00:09,942 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:00:09,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:00:09,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1757322053, now seen corresponding path program 1 times [2020-10-12 18:00:09,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:00:09,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1134925992] [2020-10-12 18:00:09,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:00:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:10,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:10,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:10,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:12,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:12,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:14,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:14,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-12 18:00:14,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:00:14,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4297 [2020-10-12 18:00:14,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:14,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:00:14,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:00:14,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-12 18:00:14,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-12 18:00:14,966 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:00:14,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:00:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:15,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:15,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:15,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:15,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:15,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-12 18:00:15,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:15,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:15,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:15,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:00:15,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:15,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:00:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:15,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:15,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:15,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:00:15,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:15,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:00:15,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:15,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:15,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:15,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:00:15,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:15,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:00:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:15,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:15,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:15,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:00:15,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:15,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:00:15,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:15,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:15,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:15,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:00:15,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:15,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:00:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:15,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:15,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:15,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:15,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:15,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:00:15,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:15,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:15,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:15,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:00:15,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:15,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:00:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:15,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:15,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:15,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:00:15,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:15,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:00:15,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:15,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:15,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:15,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:00:15,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:00:15,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 18:00:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:15,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:15,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:15,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:15,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:15,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:00:15,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:15,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:00:15,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:15,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:00:15,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:15,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 18:00:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:15,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:15,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:15,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:15,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:15,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:00:15,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:15,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:00:15,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:00:15,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:00:15,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:15,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:00:15,232 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1134925992] [2020-10-12 18:00:15,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:00:15,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 18:00:15,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925517479] [2020-10-12 18:00:15,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 18:00:15,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:00:15,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 18:00:15,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-12 18:00:15,267 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 7 states. [2020-10-12 18:00:15,812 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:00:16,654 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:00:16,980 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:00:17,275 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:00:17,540 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:00:18,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:00:18,316 INFO L93 Difference]: Finished difference Result 254 states and 355 transitions. [2020-10-12 18:00:18,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 18:00:18,319 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2020-10-12 18:00:18,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:00:18,334 INFO L225 Difference]: With dead ends: 254 [2020-10-12 18:00:18,334 INFO L226 Difference]: Without dead ends: 153 [2020-10-12 18:00:18,339 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-12 18:00:18,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-10-12 18:00:18,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 134. [2020-10-12 18:00:18,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-12 18:00:18,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 167 transitions. [2020-10-12 18:00:18,443 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 167 transitions. Word has length 46 [2020-10-12 18:00:18,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:00:18,444 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 167 transitions. [2020-10-12 18:00:18,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 18:00:18,444 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 167 transitions. [2020-10-12 18:00:18,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-12 18:00:18,448 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:00:18,449 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] [2020-10-12 18:00:18,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 18:00:18,449 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:00:18,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:00:18,450 INFO L82 PathProgramCache]: Analyzing trace with hash -922720464, now seen corresponding path program 1 times [2020-10-12 18:00:18,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:00:18,450 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1281007619] [2020-10-12 18:00:18,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:00:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:18,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:18,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:18,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:18,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:19,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:19,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-12 18:00:19,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 18:00:19,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 534 [2020-10-12 18:00:19,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:19,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:00:19,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 18:00:19,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 18:00:19,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:19,276 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:00:19,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:00:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:19,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:19,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:19,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:19,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:19,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-12 18:00:19,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:19,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:19,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:19,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 18:00:19,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:19,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 18:00:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:19,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:19,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:19,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:00:19,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:19,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:00:19,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:19,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:19,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:19,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:00:19,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:19,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:00:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:19,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:19,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:19,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:00:19,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:19,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:00:19,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:19,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:19,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:19,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:00:19,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:19,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 18:00:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:19,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:19,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:19,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:19,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:19,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:00:19,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:19,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:19,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:19,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:00:19,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:19,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 18:00:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:19,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:19,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:19,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:00:19,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:19,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:00:19,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:19,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:19,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:19,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 18:00:19,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:19,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 18:00:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:19,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:19,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:19,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:19,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:19,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:00:19,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:19,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:19,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:19,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:00:19,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:19,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:00:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:19,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:19,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:19,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:19,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:19,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:00:19,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:19,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:00:19,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:19,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:00:19,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:19,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 18:00:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:00:19,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:00:19,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:00:19,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 18:00:19,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:00:19,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:00:19,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:00:19,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:00:19,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:00:19,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:00:19,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:00:19,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:00:19,495 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1281007619] [2020-10-12 18:00:19,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:00:19,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 18:00:19,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866133482] [2020-10-12 18:00:19,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 18:00:19,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:00:19,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 18:00:19,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-12 18:00:19,499 INFO L87 Difference]: Start difference. First operand 134 states and 167 transitions. Second operand 8 states. [2020-10-12 18:00:20,013 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-12 18:00:20,866 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:00:21,278 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:00:21,546 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-12 18:00:21,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:00:21,714 INFO L93 Difference]: Finished difference Result 201 states and 262 transitions. [2020-10-12 18:00:21,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 18:00:21,715 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-10-12 18:00:21,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:00:21,715 INFO L225 Difference]: With dead ends: 201 [2020-10-12 18:00:21,716 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 18:00:21,722 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-12 18:00:21,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 18:00:21,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 18:00:21,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 18:00:21,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 18:00:21,728 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-10-12 18:00:21,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:00:21,728 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 18:00:21,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 18:00:21,729 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 18:00:21,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 18:00:21,729 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 18:00:21,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 18:00:23,265 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-10-12 18:00:23,454 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-10-12 18:00:23,668 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-10-12 18:00:23,837 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-10-12 18:00:23,969 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-10-12 18:00:24,128 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-10-12 18:00:24,428 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 18:00:24,661 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-12 18:00:24,955 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 18:00:25,109 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-10-12 18:00:25,424 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 18:00:25,577 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-10-12 18:00:25,897 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8 [2020-10-12 18:00:26,048 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-10-12 18:00:26,215 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 15 [2020-10-12 18:00:26,529 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 18:00:26,822 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 18:00:27,120 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 18:00:27,403 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 18:00:27,558 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-10-12 18:00:27,707 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-10-12 18:00:27,999 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-12 18:00:28,004 INFO L268 CegarLoopResult]: For program point L573(lines 550 574) no Hoare annotation was computed. [2020-10-12 18:00:28,004 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 526 581) no Hoare annotation was computed. [2020-10-12 18:00:28,004 INFO L268 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-10-12 18:00:28,005 INFO L268 CegarLoopResult]: For program point L557-1(lines 557 561) no Hoare annotation was computed. [2020-10-12 18:00:28,005 INFO L268 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-12 18:00:28,005 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 526 581) no Hoare annotation was computed. [2020-10-12 18:00:28,005 INFO L268 CegarLoopResult]: For program point L551-2(lines 551 572) no Hoare annotation was computed. [2020-10-12 18:00:28,005 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 526 581) no Hoare annotation was computed. [2020-10-12 18:00:28,005 INFO L268 CegarLoopResult]: For program point L609(line 609) no Hoare annotation was computed. [2020-10-12 18:00:28,006 INFO L268 CegarLoopResult]: For program point L608-2(lines 608 633) no Hoare annotation was computed. [2020-10-12 18:00:28,006 INFO L268 CegarLoopResult]: For program point L634(lines 607 635) no Hoare annotation was computed. [2020-10-12 18:00:28,006 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 582 641) no Hoare annotation was computed. [2020-10-12 18:00:28,006 INFO L268 CegarLoopResult]: For program point L627(line 627) no Hoare annotation was computed. [2020-10-12 18:00:28,006 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-10-12 18:00:28,006 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 582 641) no Hoare annotation was computed. [2020-10-12 18:00:28,006 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 582 641) no Hoare annotation was computed. [2020-10-12 18:00:28,007 INFO L268 CegarLoopResult]: For program point L614(lines 614 618) no Hoare annotation was computed. [2020-10-12 18:00:28,007 INFO L268 CegarLoopResult]: For program point L614-1(lines 614 618) no Hoare annotation was computed. [2020-10-12 18:00:28,007 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2020-10-12 18:00:28,007 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2020-10-12 18:00:28,007 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2020-10-12 18:00:28,007 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2020-10-12 18:00:28,007 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2020-10-12 18:00:28,008 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 448 472) the Hoare annotation is: true [2020-10-12 18:00:28,008 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 448 472) no Hoare annotation was computed. [2020-10-12 18:00:28,008 INFO L264 CegarLoopResult]: At program point L462(line 462) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-12 18:00:28,008 INFO L268 CegarLoopResult]: For program point L460(lines 460 466) no Hoare annotation was computed. [2020-10-12 18:00:28,008 INFO L264 CegarLoopResult]: At program point L458(line 458) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0))) [2020-10-12 18:00:28,008 INFO L268 CegarLoopResult]: For program point L458-1(line 458) no Hoare annotation was computed. [2020-10-12 18:00:28,009 INFO L268 CegarLoopResult]: For program point L456(lines 456 469) no Hoare annotation was computed. [2020-10-12 18:00:28,009 INFO L268 CegarLoopResult]: For program point L456-1(lines 448 472) no Hoare annotation was computed. [2020-10-12 18:00:28,009 INFO L271 CegarLoopResult]: At program point L454(line 454) the Hoare annotation is: true [2020-10-12 18:00:28,009 INFO L268 CegarLoopResult]: For program point L454-1(line 454) no Hoare annotation was computed. [2020-10-12 18:00:28,009 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 164 186) 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))) [2020-10-12 18:00:28,009 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 164 186) no Hoare annotation was computed. [2020-10-12 18:00:28,010 INFO L264 CegarLoopResult]: At program point L176(line 176) 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))) [2020-10-12 18:00:28,010 INFO L264 CegarLoopResult]: At program point L176-1(line 176) 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))) [2020-10-12 18:00:28,010 INFO L268 CegarLoopResult]: For program point L174(lines 174 181) no Hoare annotation was computed. [2020-10-12 18:00:28,010 INFO L268 CegarLoopResult]: For program point L174-1(lines 174 181) no Hoare annotation was computed. [2020-10-12 18:00:28,010 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 164 186) no Hoare annotation was computed. [2020-10-12 18:00:28,010 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-12 18:00:28,010 INFO L264 CegarLoopResult]: At program point L171(line 171) 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))) [2020-10-12 18:00:28,011 INFO L264 CegarLoopResult]: At program point L170(line 170) 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))) [2020-10-12 18:00:28,011 INFO L264 CegarLoopResult]: At program point L170-1(line 170) 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))) [2020-10-12 18:00:28,011 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-12 18:00:28,011 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-12 18:00:28,011 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 122 145) no Hoare annotation was computed. [2020-10-12 18:00:28,011 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-12 18:00:28,012 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 122 145) no Hoare annotation was computed. [2020-10-12 18:00:28,012 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 122 145) no Hoare annotation was computed. [2020-10-12 18:00:28,012 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-12 18:00:28,012 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-12 18:00:28,012 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-12 18:00:28,012 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-12 18:00:28,012 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-12 18:00:28,013 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-12 18:00:28,013 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-12 18:00:28,013 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-12 18:00:28,013 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-12 18:00:28,013 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-12 18:00:28,013 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-12 18:00:28,013 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 256 264) no Hoare annotation was computed. [2020-10-12 18:00:28,014 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 256 264) the Hoare annotation is: true [2020-10-12 18:00:28,014 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 256 264) no Hoare annotation was computed. [2020-10-12 18:00:28,014 INFO L268 CegarLoopResult]: For program point L284(lines 284 292) no Hoare annotation was computed. [2020-10-12 18:00:28,014 INFO L268 CegarLoopResult]: For program point L284-2(lines 284 292) no Hoare annotation was computed. [2020-10-12 18:00:28,014 INFO L268 CegarLoopResult]: For program point L272(lines 272 280) no Hoare annotation was computed. [2020-10-12 18:00:28,014 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 265 300) no Hoare annotation was computed. [2020-10-12 18:00:28,014 INFO L268 CegarLoopResult]: For program point L272-2(lines 272 280) no Hoare annotation was computed. [2020-10-12 18:00:28,014 INFO L268 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-10-12 18:00:28,015 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 265 300) no Hoare annotation was computed. [2020-10-12 18:00:28,015 INFO L268 CegarLoopResult]: For program point L295-1(line 295) no Hoare annotation was computed. [2020-10-12 18:00:28,015 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 265 300) no Hoare annotation was computed. [2020-10-12 18:00:28,015 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2020-10-12 18:00:28,015 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2020-10-12 18:00:28,015 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 480 525) no Hoare annotation was computed. [2020-10-12 18:00:28,015 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 480 525) no Hoare annotation was computed. [2020-10-12 18:00:28,015 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 480 525) no Hoare annotation was computed. [2020-10-12 18:00:28,016 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 154 163) 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))) [2020-10-12 18:00:28,016 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 154 163) no Hoare annotation was computed. [2020-10-12 18:00:28,016 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 154 163) no Hoare annotation was computed. [2020-10-12 18:00:28,016 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 793 838) no Hoare annotation was computed. [2020-10-12 18:00:28,016 INFO L268 CegarLoopResult]: For program point L813(lines 813 820) no Hoare annotation was computed. [2020-10-12 18:00:28,016 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 793 838) no Hoare annotation was computed. [2020-10-12 18:00:28,016 INFO L268 CegarLoopResult]: For program point L807(lines 807 827) no Hoare annotation was computed. [2020-10-12 18:00:28,016 INFO L268 CegarLoopResult]: For program point L807-1(lines 807 827) no Hoare annotation was computed. [2020-10-12 18:00:28,017 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 793 838) no Hoare annotation was computed. [2020-10-12 18:00:28,017 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 245 255) no Hoare annotation was computed. [2020-10-12 18:00:28,017 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 245 255) no Hoare annotation was computed. [2020-10-12 18:00:28,017 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2020-10-12 18:00:28,017 INFO L268 CegarLoopResult]: For program point L250-1(line 250) no Hoare annotation was computed. [2020-10-12 18:00:28,017 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 245 255) no Hoare annotation was computed. [2020-10-12 18:00:28,017 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 237 244) no Hoare annotation was computed. [2020-10-12 18:00:28,017 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 237 244) no Hoare annotation was computed. [2020-10-12 18:00:28,018 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 237 244) no Hoare annotation was computed. [2020-10-12 18:00:28,018 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 222 228) no Hoare annotation was computed. [2020-10-12 18:00:28,018 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 222 228) the Hoare annotation is: true [2020-10-12 18:00:28,018 INFO L268 CegarLoopResult]: For program point L322-1(lines 322 328) no Hoare annotation was computed. [2020-10-12 18:00:28,018 INFO L264 CegarLoopResult]: At program point testENTRY(lines 302 365) 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))) [2020-10-12 18:00:28,018 INFO L268 CegarLoopResult]: For program point L314(lines 314 318) no Hoare annotation was computed. [2020-10-12 18:00:28,018 INFO L268 CegarLoopResult]: For program point testFINAL(lines 302 365) no Hoare annotation was computed. [2020-10-12 18:00:28,019 INFO L271 CegarLoopResult]: At program point L358(lines 311 359) the Hoare annotation is: true [2020-10-12 18:00:28,019 INFO L268 CegarLoopResult]: For program point L348(lines 348 352) no Hoare annotation was computed. [2020-10-12 18:00:28,019 INFO L271 CegarLoopResult]: At program point L348-2(lines 342 353) the Hoare annotation is: true [2020-10-12 18:00:28,019 INFO L268 CegarLoopResult]: For program point L313(lines 312 357) no Hoare annotation was computed. [2020-10-12 18:00:28,019 INFO L268 CegarLoopResult]: For program point L342(lines 342 353) no Hoare annotation was computed. [2020-10-12 18:00:28,019 INFO L271 CegarLoopResult]: At program point L334(line 334) the Hoare annotation is: true [2020-10-12 18:00:28,019 INFO L268 CegarLoopResult]: For program point L332(lines 332 338) no Hoare annotation was computed. [2020-10-12 18:00:28,019 INFO L268 CegarLoopResult]: For program point L332-1(lines 332 338) no Hoare annotation was computed. [2020-10-12 18:00:28,020 INFO L271 CegarLoopResult]: At program point L324(line 324) the Hoare annotation is: true [2020-10-12 18:00:28,020 INFO L271 CegarLoopResult]: At program point L355(lines 312 357) the Hoare annotation is: true [2020-10-12 18:00:28,020 INFO L268 CegarLoopResult]: For program point testEXIT(lines 302 365) no Hoare annotation was computed. [2020-10-12 18:00:28,020 INFO L268 CegarLoopResult]: For program point L322(lines 322 328) no Hoare annotation was computed. [2020-10-12 18:00:28,020 INFO L268 CegarLoopResult]: For program point L767(lines 767 774) no Hoare annotation was computed. [2020-10-12 18:00:28,020 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 747 792) no Hoare annotation was computed. [2020-10-12 18:00:28,020 INFO L268 CegarLoopResult]: For program point L761(lines 761 781) no Hoare annotation was computed. [2020-10-12 18:00:28,021 INFO L268 CegarLoopResult]: For program point L761-1(lines 761 781) no Hoare annotation was computed. [2020-10-12 18:00:28,021 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 747 792) no Hoare annotation was computed. [2020-10-12 18:00:28,021 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 747 792) no Hoare annotation was computed. [2020-10-12 18:00:28,021 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2020-10-12 18:00:28,021 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2020-10-12 18:00:28,021 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2020-10-12 18:00:28,021 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 415 437) no Hoare annotation was computed. [2020-10-12 18:00:28,021 INFO L268 CegarLoopResult]: For program point L423(lines 423 431) no Hoare annotation was computed. [2020-10-12 18:00:28,022 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 415 437) no Hoare annotation was computed. [2020-10-12 18:00:28,022 INFO L268 CegarLoopResult]: For program point L423-2(lines 423 431) no Hoare annotation was computed. [2020-10-12 18:00:28,022 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 415 437) no Hoare annotation was computed. [2020-10-12 18:00:28,022 INFO L268 CegarLoopResult]: For program point L673(lines 673 689) no Hoare annotation was computed. [2020-10-12 18:00:28,022 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 644 746) no Hoare annotation was computed. [2020-10-12 18:00:28,022 INFO L268 CegarLoopResult]: For program point L733(lines 733 740) no Hoare annotation was computed. [2020-10-12 18:00:28,022 INFO L268 CegarLoopResult]: For program point L694(lines 693 713) no Hoare annotation was computed. [2020-10-12 18:00:28,023 INFO L268 CegarLoopResult]: For program point L725(line 725) no Hoare annotation was computed. [2020-10-12 18:00:28,023 INFO L268 CegarLoopResult]: For program point L725-1(line 725) no Hoare annotation was computed. [2020-10-12 18:00:28,023 INFO L268 CegarLoopResult]: For program point L690(lines 690 731) no Hoare annotation was computed. [2020-10-12 18:00:28,023 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 644 746) no Hoare annotation was computed. [2020-10-12 18:00:28,023 INFO L268 CegarLoopResult]: For program point L709(line 709) no Hoare annotation was computed. [2020-10-12 18:00:28,023 INFO L268 CegarLoopResult]: For program point L709-1(line 709) no Hoare annotation was computed. [2020-10-12 18:00:28,023 INFO L268 CegarLoopResult]: For program point L668(lines 668 672) no Hoare annotation was computed. [2020-10-12 18:00:28,023 INFO L268 CegarLoopResult]: For program point L732(lines 732 743) no Hoare annotation was computed. [2020-10-12 18:00:28,024 INFO L268 CegarLoopResult]: For program point L695(lines 695 699) no Hoare annotation was computed. [2020-10-12 18:00:28,024 INFO L268 CegarLoopResult]: For program point L693-2(lines 693 713) no Hoare annotation was computed. [2020-10-12 18:00:28,024 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 644 746) no Hoare annotation was computed. [2020-10-12 18:00:28,031 INFO L268 CegarLoopResult]: For program point L714(lines 692 715) no Hoare annotation was computed. [2020-10-12 18:00:28,031 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 18:00:28,031 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.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~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.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~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-12 18:00:28,032 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 18:00:28,032 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 229 236) no Hoare annotation was computed. [2020-10-12 18:00:28,032 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 229 236) no Hoare annotation was computed. [2020-10-12 18:00:28,032 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 229 236) no Hoare annotation was computed. [2020-10-12 18:00:28,032 INFO L268 CegarLoopResult]: For program point L398-1(lines 394 405) no Hoare annotation was computed. [2020-10-12 18:00:28,032 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 394 405) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-12 18:00:28,032 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 394 405) no Hoare annotation was computed. [2020-10-12 18:00:28,032 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 438 446) the Hoare annotation is: true [2020-10-12 18:00:28,033 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 438 446) no Hoare annotation was computed. [2020-10-12 18:00:28,033 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 438 446) no Hoare annotation was computed. [2020-10-12 18:00:28,033 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-12 18:00:28,033 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-12 18:00:28,033 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-12 18:00:28,033 INFO L264 CegarLoopResult]: At program point L211(line 211) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-12 18:00:28,033 INFO L264 CegarLoopResult]: At program point L209(lines 209 215) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-12 18:00:28,033 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 198 221) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-12 18:00:28,034 INFO L264 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-12 18:00:28,034 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 198 221) no Hoare annotation was computed. [2020-10-12 18:00:28,034 INFO L268 CegarLoopResult]: For program point L202(lines 201 220) no Hoare annotation was computed. [2020-10-12 18:00:28,034 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 198 221) no Hoare annotation was computed. [2020-10-12 18:00:28,034 INFO L264 CegarLoopResult]: At program point L99-2(lines 99 113) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-12 18:00:28,034 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 89 118) no Hoare annotation was computed. [2020-10-12 18:00:28,034 INFO L264 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-12 18:00:28,035 INFO L268 CegarLoopResult]: For program point L95-1(line 95) no Hoare annotation was computed. [2020-10-12 18:00:28,035 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 89 118) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-12 18:00:28,035 INFO L271 CegarLoopResult]: At program point L114(lines 89 118) the Hoare annotation is: true [2020-10-12 18:00:28,035 INFO L268 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-12 18:00:28,035 INFO L268 CegarLoopResult]: For program point L103(lines 103 107) no Hoare annotation was computed. [2020-10-12 18:00:28,035 INFO L264 CegarLoopResult]: At program point L103-1(lines 103 107) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-12 18:00:28,035 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-12 18:00:28,036 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 406 414) no Hoare annotation was computed. [2020-10-12 18:00:28,036 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 406 414) no Hoare annotation was computed. [2020-10-12 18:00:28,036 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 406 414) no Hoare annotation was computed. [2020-10-12 18:00:28,036 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 370 381) the Hoare annotation is: true [2020-10-12 18:00:28,036 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 370 381) no Hoare annotation was computed. [2020-10-12 18:00:28,036 INFO L268 CegarLoopResult]: For program point L374-1(lines 370 381) no Hoare annotation was computed. [2020-10-12 18:00:28,036 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 146 152) no Hoare annotation was computed. [2020-10-12 18:00:28,037 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 146 152) the Hoare annotation is: true [2020-10-12 18:00:28,037 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 18:00:28,037 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2020-10-12 18:00:28,037 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 18:00:28,037 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 18:00:28,037 INFO L268 CegarLoopResult]: For program point L386-1(lines 382 393) no Hoare annotation was computed. [2020-10-12 18:00:28,037 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 382 393) no Hoare annotation was computed. [2020-10-12 18:00:28,037 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 382 393) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-12 18:00:28,038 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-10-12 18:00:28,038 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-10-12 18:00:28,038 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-10-12 18:00:28,038 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-10-12 18:00:28,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 06:00:28 BoogieIcfgContainer [2020-10-12 18:00:28,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 18:00:28,058 INFO L168 Benchmark]: Toolchain (without parser) took 20001.63 ms. Allocated memory was 141.0 MB in the beginning and 534.8 MB in the end (delta: 393.7 MB). Free memory was 103.0 MB in the beginning and 166.2 MB in the end (delta: -63.2 MB). Peak memory consumption was 368.7 MB. Max. memory is 7.1 GB. [2020-10-12 18:00:28,059 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 18:00:28,060 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.01 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 102.7 MB in the beginning and 173.9 MB in the end (delta: -71.1 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-10-12 18:00:28,061 INFO L168 Benchmark]: Boogie Preprocessor took 86.61 ms. Allocated memory is still 204.5 MB. Free memory was 173.9 MB in the beginning and 169.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-10-12 18:00:28,062 INFO L168 Benchmark]: RCFGBuilder took 1118.36 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 169.9 MB in the beginning and 202.2 MB in the end (delta: -32.4 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. [2020-10-12 18:00:28,063 INFO L168 Benchmark]: TraceAbstraction took 18207.06 ms. Allocated memory was 235.4 MB in the beginning and 534.8 MB in the end (delta: 299.4 MB). Free memory was 200.8 MB in the beginning and 166.2 MB in the end (delta: 34.7 MB). Peak memory consumption was 372.3 MB. Max. memory is 7.1 GB. [2020-10-12 18:00:28,067 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 585.01 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 102.7 MB in the beginning and 173.9 MB in the end (delta: -71.1 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.61 ms. Allocated memory is still 204.5 MB. Free memory was 173.9 MB in the beginning and 169.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1118.36 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 169.9 MB in the beginning and 202.2 MB in the end (delta: -32.4 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18207.06 ms. Allocated memory was 235.4 MB in the beginning and 534.8 MB in the end (delta: 299.4 MB). Free memory was 200.8 MB in the beginning and 166.2 MB in the end (delta: 34.7 MB). Peak memory consumption was 372.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 99]: Loop Invariant Derived loop invariant: \old(waterLevel) == waterLevel || !(pumpRunning == 0) - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 194 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 150 SDtfs, 264 SDslu, 221 SDs, 0 SdLazy, 768 SolverSat, 140 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 19 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 144 PreInvPairs, 187 NumberOfFragments, 426 HoareAnnotationTreeSize, 144 FomulaSimplifications, 2885 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 40 FomulaSimplificationsInter, 7735 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 27450 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...