/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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_spec2_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 01:35:23,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 01:35:23,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 01:35:23,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 01:35:23,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 01:35:23,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 01:35:23,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 01:35:23,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 01:35:23,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 01:35:23,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 01:35:23,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 01:35:23,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 01:35:23,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 01:35:23,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 01:35:23,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 01:35:23,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 01:35:23,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 01:35:23,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 01:35:23,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 01:35:23,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 01:35:23,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 01:35:23,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 01:35:23,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 01:35:23,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 01:35:23,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 01:35:23,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 01:35:23,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 01:35:23,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 01:35:23,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 01:35:23,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 01:35:23,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 01:35:23,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 01:35:23,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 01:35:23,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 01:35:23,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 01:35:23,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 01:35:23,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 01:35:23,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 01:35:23,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 01:35:23,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 01:35:23,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 01:35:23,603 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 [2020-10-15 01:35:23,640 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 01:35:23,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 01:35:23,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 01:35:23,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 01:35:23,643 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 01:35:23,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 01:35:23,644 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 01:35:23,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 01:35:23,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 01:35:23,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 01:35:23,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 01:35:23,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 01:35:23,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 01:35:23,646 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 01:35:23,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 01:35:23,646 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 01:35:23,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 01:35:23,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 01:35:23,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 01:35:23,647 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 01:35:23,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 01:35:23,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:35:23,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 01:35:23,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 01:35:23,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 01:35:23,648 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 01:35:23,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 01:35:23,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 01:35:23,649 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 01:35:23,649 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 01:35:23,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 01:35:23,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 01:35:23,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 01:35:23,969 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 01:35:23,969 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 01:35:23,970 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product07.cil.c [2020-10-15 01:35:24,037 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/524b588b1/5f155a30b2844d74993cd095d86f8bac/FLAGad936bc3c [2020-10-15 01:35:24,522 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 01:35:24,523 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product07.cil.c [2020-10-15 01:35:24,542 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/524b588b1/5f155a30b2844d74993cd095d86f8bac/FLAGad936bc3c [2020-10-15 01:35:24,878 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/524b588b1/5f155a30b2844d74993cd095d86f8bac [2020-10-15 01:35:24,888 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 01:35:24,889 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 01:35:24,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 01:35:24,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 01:35:24,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 01:35:24,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:35:24" (1/1) ... [2020-10-15 01:35:24,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4d4318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:35:24, skipping insertion in model container [2020-10-15 01:35:24,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:35:24" (1/1) ... [2020-10-15 01:35:24,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 01:35:24,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 01:35:25,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:35:25,442 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 01:35:25,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:35:25,551 INFO L208 MainTranslator]: Completed translation [2020-10-15 01:35:25,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:35:25 WrapperNode [2020-10-15 01:35:25,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 01:35:25,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 01:35:25,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 01:35:25,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 01:35:25,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:35:25" (1/1) ... [2020-10-15 01:35:25,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:35:25" (1/1) ... [2020-10-15 01:35:25,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:35:25" (1/1) ... [2020-10-15 01:35:25,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:35:25" (1/1) ... [2020-10-15 01:35:25,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:35:25" (1/1) ... [2020-10-15 01:35:25,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:35:25" (1/1) ... [2020-10-15 01:35:25,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:35:25" (1/1) ... [2020-10-15 01:35:25,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 01:35:25,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 01:35:25,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 01:35:25,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 01:35:25,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:35:25" (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 [2020-10-15 01:35:25,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 01:35:25,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 01:35:25,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-15 01:35:25,720 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-15 01:35:25,720 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-15 01:35:25,720 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-15 01:35:25,720 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-15 01:35:25,721 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-15 01:35:25,721 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-15 01:35:25,721 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-15 01:35:25,721 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-15 01:35:25,721 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-15 01:35:25,721 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-15 01:35:25,721 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-15 01:35:25,722 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-15 01:35:25,722 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-15 01:35:25,722 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-15 01:35:25,722 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-15 01:35:25,722 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-15 01:35:25,722 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-15 01:35:25,723 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-15 01:35:25,723 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-15 01:35:25,723 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-15 01:35:25,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-15 01:35:25,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-15 01:35:25,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-15 01:35:25,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-15 01:35:25,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-15 01:35:25,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-15 01:35:25,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-15 01:35:25,724 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-15 01:35:25,725 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-15 01:35:25,725 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-15 01:35:25,725 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-15 01:35:25,725 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 01:35:25,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-15 01:35:25,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-15 01:35:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 01:35:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 01:35:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-15 01:35:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-15 01:35:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-15 01:35:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-15 01:35:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-15 01:35:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-15 01:35:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-15 01:35:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 01:35:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-15 01:35:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-15 01:35:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-15 01:35:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-15 01:35:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-15 01:35:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-15 01:35:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-15 01:35:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-15 01:35:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-15 01:35:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-15 01:35:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-15 01:35:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-15 01:35:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-15 01:35:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-15 01:35:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-15 01:35:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-15 01:35:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-15 01:35:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-15 01:35:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 01:35:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 01:35:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-15 01:35:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 01:35:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 01:35:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 01:35:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 01:35:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-15 01:35:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 01:35:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-15 01:35:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-15 01:35:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 01:35:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-15 01:35:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-15 01:35:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-15 01:35:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-15 01:35:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-15 01:35:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-15 01:35:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-15 01:35:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 01:35:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 01:35:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 01:35:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 01:35:26,952 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 01:35:26,952 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-15 01:35:26,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:35:26 BoogieIcfgContainer [2020-10-15 01:35:26,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 01:35:26,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 01:35:26,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 01:35:26,962 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 01:35:26,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:35:24" (1/3) ... [2020-10-15 01:35:26,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2266422d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:35:26, skipping insertion in model container [2020-10-15 01:35:26,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:35:25" (2/3) ... [2020-10-15 01:35:26,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2266422d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:35:26, skipping insertion in model container [2020-10-15 01:35:26,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:35:26" (3/3) ... [2020-10-15 01:35:26,966 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product07.cil.c [2020-10-15 01:35:26,976 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 01:35:26,984 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 01:35:26,999 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 01:35:27,024 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 01:35:27,024 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 01:35:27,025 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 01:35:27,025 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 01:35:27,025 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 01:35:27,025 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 01:35:27,025 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 01:35:27,026 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 01:35:27,049 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2020-10-15 01:35:27,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-15 01:35:27,059 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:35:27,060 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] [2020-10-15 01:35:27,061 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:35:27,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:35:27,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1126769430, now seen corresponding path program 1 times [2020-10-15 01:35:27,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:35:27,077 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1943069074] [2020-10-15 01:35:27,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:35:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:27,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:27,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:28,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:28,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:29,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:32,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:32,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-15 01:35:32,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 01:35:32,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-15 01:35:32,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:32,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:32,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 01:35:32,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:35:32,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-15 01:35:32,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 01:35:32,768 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:35:32,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:35:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:32,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:32,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:32,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:35:32,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:35:32,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-15 01:35:32,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:32,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:32,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:35:32,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:35:32,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:35:32,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:35:32,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:35:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:32,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:32,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:32,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:35:32,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:35:32,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:35:32,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:32,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:32,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:35:32,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:35:32,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:35:32,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:35:32,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:35:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:32,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:32,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:32,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:35:32,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:35:32,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:35:32,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:32,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:32,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:35:32,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:35:32,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:35:32,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:35:32,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:35:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:32,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:32,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:32,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:35:32,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:35:32,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:35:32,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:32,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:32,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:35:32,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:35:32,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:35:32,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:35:32,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:35:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:32,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:32,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:32,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:35:32,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:35:32,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:35:32,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:32,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:32,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:35:32,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:35:32,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:35:32,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:35:32,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:35:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:32,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:32,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:32,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:35:32,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:35:32,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:35:32,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:32,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:32,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:35:32,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:35:32,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:35:32,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:35:32,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 01:35:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:32,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:32,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:32,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:35:32,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:35:32,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:35:32,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:32,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:32,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:35:32,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:35:32,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:35:32,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:35:32,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 01:35:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:32,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:32,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:32,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:35:32,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:35:32,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:35:32,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:32,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:32,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:35:32,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:35:32,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:35:32,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:35:33,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:35:33,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1943069074] [2020-10-15 01:35:33,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:35:33,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 01:35:33,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923747335] [2020-10-15 01:35:33,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 01:35:33,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:35:33,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 01:35:33,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 01:35:33,041 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 5 states. [2020-10-15 01:35:33,501 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:35:35,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:35:35,211 INFO L93 Difference]: Finished difference Result 353 states and 476 transitions. [2020-10-15 01:35:35,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 01:35:35,213 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-10-15 01:35:35,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:35:35,229 INFO L225 Difference]: With dead ends: 353 [2020-10-15 01:35:35,230 INFO L226 Difference]: Without dead ends: 233 [2020-10-15 01:35:35,235 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 01:35:35,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2020-10-15 01:35:35,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 186. [2020-10-15 01:35:35,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-10-15 01:35:35,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 227 transitions. [2020-10-15 01:35:35,353 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 227 transitions. Word has length 51 [2020-10-15 01:35:35,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:35:35,354 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 227 transitions. [2020-10-15 01:35:35,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 01:35:35,354 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 227 transitions. [2020-10-15 01:35:35,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-15 01:35:35,358 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:35:35,358 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:35:35,359 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 01:35:35,359 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:35:35,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:35:35,360 INFO L82 PathProgramCache]: Analyzing trace with hash -891064811, now seen corresponding path program 1 times [2020-10-15 01:35:35,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:35:35,360 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [676249221] [2020-10-15 01:35:35,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:35:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:35,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:35,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:36,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:36,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:36,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:40,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:40,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:40,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-15 01:35:40,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 01:35:40,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5144 [2020-10-15 01:35:40,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:40,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:40,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 01:35:40,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:35:40,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-15 01:35:40,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-15 01:35:40,807 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:35:40,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:35:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:40,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:40,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:40,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:35:40,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:35:40,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-15 01:35:40,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:40,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:40,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:35:40,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:35:40,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:35:40,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:35:40,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:35:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:40,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:40,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:40,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:35:40,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:35:40,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:35:40,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:40,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:40,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:35:40,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:35:40,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:35:40,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:35:40,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:35:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:40,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:40,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:40,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:35:40,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:35:40,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:35:40,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:40,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:40,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:35:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:35:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:35:40,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:35:40,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:35:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:40,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:40,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:40,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:35:40,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:35:40,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:35:40,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:40,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:40,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:35:40,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:35:40,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:35:40,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:35:40,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:35:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:40,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:40,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:40,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:35:40,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:35:40,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:35:40,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:40,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:40,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:35:40,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:35:40,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:35:40,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:35:40,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:35:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:40,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:40,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:40,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:35:40,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:35:40,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:35:40,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:40,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:40,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:35:40,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:35:40,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:35:40,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:35:40,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-15 01:35:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:40,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:40,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:40,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:35:40,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:35:40,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:35:40,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:40,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:40,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:35:40,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:35:40,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 01:35:40,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:35:40,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:35:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:40,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:40,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:40,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:35:40,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:35:40,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:35:40,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:41,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:41,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:35:41,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:35:41,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:35:41,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:35:41,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-15 01:35:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:41,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:41,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:41,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:35:41,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:35:41,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:35:41,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:41,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:41,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:35:41,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:35:41,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:35:41,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:35:41,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-15 01:35:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:41,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:41,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:41,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:35:41,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:35:41,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:35:41,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:41,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:41,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:35:41,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:35:41,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:35:41,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:35:41,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:35:41,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [676249221] [2020-10-15 01:35:41,044 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:35:41,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 01:35:41,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694555975] [2020-10-15 01:35:41,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 01:35:41,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:35:41,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 01:35:41,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-15 01:35:41,047 INFO L87 Difference]: Start difference. First operand 186 states and 227 transitions. Second operand 9 states. [2020-10-15 01:35:41,508 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:35:42,649 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-10-15 01:35:43,244 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-15 01:35:43,535 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:35:43,779 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:35:44,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:35:44,922 INFO L93 Difference]: Finished difference Result 654 states and 926 transitions. [2020-10-15 01:35:44,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-15 01:35:44,931 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 60 [2020-10-15 01:35:44,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:35:44,942 INFO L225 Difference]: With dead ends: 654 [2020-10-15 01:35:44,942 INFO L226 Difference]: Without dead ends: 463 [2020-10-15 01:35:44,947 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2020-10-15 01:35:44,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2020-10-15 01:35:45,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 309. [2020-10-15 01:35:45,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2020-10-15 01:35:45,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 380 transitions. [2020-10-15 01:35:45,091 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 380 transitions. Word has length 60 [2020-10-15 01:35:45,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:35:45,091 INFO L479 AbstractCegarLoop]: Abstraction has 309 states and 380 transitions. [2020-10-15 01:35:45,091 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 01:35:45,092 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 380 transitions. [2020-10-15 01:35:45,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-15 01:35:45,095 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:35:45,095 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:35:45,096 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 01:35:45,096 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:35:45,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:35:45,096 INFO L82 PathProgramCache]: Analyzing trace with hash -2089210538, now seen corresponding path program 1 times [2020-10-15 01:35:45,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:35:45,097 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1800047268] [2020-10-15 01:35:45,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:35:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:45,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:45,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:45,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:46,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:49,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:49,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-15 01:35:49,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 01:35:49,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3977 [2020-10-15 01:35:49,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:49,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:49,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 01:35:49,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:35:49,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-15 01:35:49,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:35:49,374 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:35:49,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:35:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:49,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:49,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:49,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:35:49,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:35:49,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-15 01:35:49,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:49,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:49,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:35:49,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:35:49,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:35:49,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:35:49,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:35:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:49,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:49,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:49,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:35:49,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:35:49,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:35:49,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:49,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:49,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:35:49,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:35:49,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:35:49,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:35:49,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:35:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:49,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:49,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:49,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:35:49,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:35:49,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:35:49,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:49,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:49,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:35:49,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:35:49,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:35:49,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:35:49,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:35:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:49,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:49,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:49,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:35:49,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:35:49,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:35:49,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:49,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:49,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:35:49,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:35:49,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:35:49,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:35:49,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:35:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:49,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:49,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:49,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:35:49,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:35:49,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:35:49,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:49,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:49,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:35:49,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:35:49,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:35:49,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:35:49,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:35:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:49,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:49,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:49,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:35:49,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:35:49,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:35:49,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:49,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:49,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:35:49,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:35:49,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:35:49,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:35:49,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 01:35:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:49,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:49,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:49,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:35:49,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:35:49,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:35:49,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:49,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:49,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:35:49,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:35:49,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:35:49,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:35:49,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 01:35:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:49,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:49,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:49,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:49,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:35:49,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:35:49,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:35:49,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:49,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:49,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:35:49,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:35:49,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 01:35:49,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:35:49,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-15 01:35:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:49,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:49,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:49,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:35:49,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:35:49,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:35:49,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:49,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:49,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:35:49,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:35:49,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:35:49,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:35:49,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 01:35:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:35:49,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:35:49,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:35:49,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:35:49,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:35:49,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:35:49,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:35:49,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:35:49,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:35:49,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:35:49,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:35:49,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:35:49,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:35:49,613 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1800047268] [2020-10-15 01:35:49,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:35:49,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 01:35:49,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429614703] [2020-10-15 01:35:49,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 01:35:49,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:35:49,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 01:35:49,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-15 01:35:49,615 INFO L87 Difference]: Start difference. First operand 309 states and 380 transitions. Second operand 11 states. [2020-10-15 01:35:50,192 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:35:51,470 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-10-15 01:35:51,752 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:35:52,055 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-15 01:35:52,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:35:52,648 INFO L93 Difference]: Finished difference Result 579 states and 769 transitions. [2020-10-15 01:35:52,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 01:35:52,649 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 66 [2020-10-15 01:35:52,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:35:52,650 INFO L225 Difference]: With dead ends: 579 [2020-10-15 01:35:52,650 INFO L226 Difference]: Without dead ends: 0 [2020-10-15 01:35:52,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2020-10-15 01:35:52,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-15 01:35:52,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-15 01:35:52,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-15 01:35:52,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-15 01:35:52,653 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-10-15 01:35:52,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:35:52,653 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-15 01:35:52,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 01:35:52,653 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-15 01:35:52,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-15 01:35:52,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 01:35:52,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-15 01:35:56,642 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 7 [2020-10-15 01:35:57,115 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 19 [2020-10-15 01:35:57,282 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:35:57,460 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-10-15 01:35:57,703 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:35:57,922 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:35:58,388 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-10-15 01:35:58,541 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-10-15 01:35:58,826 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-10-15 01:35:59,179 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-10-15 01:35:59,467 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 8 [2020-10-15 01:35:59,621 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:35:59,790 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:35:59,964 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:36:00,114 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-10-15 01:36:00,270 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:36:00,569 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 13 [2020-10-15 01:36:00,715 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-10-15 01:36:01,021 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 18 [2020-10-15 01:36:01,403 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-15 01:36:01,578 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:36:01,763 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:36:02,204 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 19 [2020-10-15 01:36:02,489 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 7 [2020-10-15 01:36:02,788 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 11 [2020-10-15 01:36:03,070 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 8 [2020-10-15 01:36:03,366 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 8 [2020-10-15 01:36:03,370 INFO L268 CegarLoopResult]: For program point L479(lines 479 483) no Hoare annotation was computed. [2020-10-15 01:36:03,370 INFO L268 CegarLoopResult]: For program point L479-1(lines 479 483) no Hoare annotation was computed. [2020-10-15 01:36:03,370 INFO L268 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-15 01:36:03,370 INFO L268 CegarLoopResult]: For program point L473-2(lines 473 494) no Hoare annotation was computed. [2020-10-15 01:36:03,370 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 448 503) no Hoare annotation was computed. [2020-10-15 01:36:03,370 INFO L268 CegarLoopResult]: For program point L495(lines 472 496) no Hoare annotation was computed. [2020-10-15 01:36:03,371 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 448 503) no Hoare annotation was computed. [2020-10-15 01:36:03,371 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 448 503) no Hoare annotation was computed. [2020-10-15 01:36:03,371 INFO L268 CegarLoopResult]: For program point L536(lines 536 540) no Hoare annotation was computed. [2020-10-15 01:36:03,371 INFO L268 CegarLoopResult]: For program point L536-1(lines 536 540) no Hoare annotation was computed. [2020-10-15 01:36:03,371 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 504 563) no Hoare annotation was computed. [2020-10-15 01:36:03,372 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-15 01:36:03,372 INFO L268 CegarLoopResult]: For program point L530-2(lines 530 555) no Hoare annotation was computed. [2020-10-15 01:36:03,372 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 504 563) no Hoare annotation was computed. [2020-10-15 01:36:03,372 INFO L268 CegarLoopResult]: For program point L556(lines 529 557) no Hoare annotation was computed. [2020-10-15 01:36:03,373 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 504 563) no Hoare annotation was computed. [2020-10-15 01:36:03,373 INFO L268 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-15 01:36:03,373 INFO L268 CegarLoopResult]: For program point L549-1(line 549) no Hoare annotation was computed. [2020-10-15 01:36:03,373 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 370 376) the Hoare annotation is: true [2020-10-15 01:36:03,374 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 370 376) no Hoare annotation was computed. [2020-10-15 01:36:03,374 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 377 385) no Hoare annotation was computed. [2020-10-15 01:36:03,374 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 377 385) the Hoare annotation is: true [2020-10-15 01:36:03,374 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 377 385) no Hoare annotation was computed. [2020-10-15 01:36:03,374 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 836 858) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:36:03,375 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 836 858) no Hoare annotation was computed. [2020-10-15 01:36:03,375 INFO L264 CegarLoopResult]: At program point L848(line 848) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:36:03,375 INFO L264 CegarLoopResult]: At program point L848-1(line 848) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:36:03,375 INFO L268 CegarLoopResult]: For program point L846(lines 846 853) no Hoare annotation was computed. [2020-10-15 01:36:03,375 INFO L268 CegarLoopResult]: For program point L846-1(lines 846 853) no Hoare annotation was computed. [2020-10-15 01:36:03,375 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 836 858) no Hoare annotation was computed. [2020-10-15 01:36:03,376 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-10-15 01:36:03,376 INFO L264 CegarLoopResult]: At program point L843(line 843) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:36:03,376 INFO L264 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:36:03,376 INFO L264 CegarLoopResult]: At program point L842-1(line 842) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:36:03,376 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-10-15 01:36:03,376 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-10-15 01:36:03,377 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 793 816) no Hoare annotation was computed. [2020-10-15 01:36:03,377 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-10-15 01:36:03,377 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-10-15 01:36:03,377 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 793 816) no Hoare annotation was computed. [2020-10-15 01:36:03,377 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 793 816) no Hoare annotation was computed. [2020-10-15 01:36:03,377 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-10-15 01:36:03,377 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-10-15 01:36:03,377 INFO L268 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-10-15 01:36:03,378 INFO L268 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-10-15 01:36:03,378 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-10-15 01:36:03,378 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-10-15 01:36:03,378 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-10-15 01:36:03,378 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-10-15 01:36:03,378 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-10-15 01:36:03,378 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-10-15 01:36:03,378 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 265 279) no Hoare annotation was computed. [2020-10-15 01:36:03,378 INFO L264 CegarLoopResult]: At program point L271(line 271) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-15 01:36:03,379 INFO L268 CegarLoopResult]: For program point L269(lines 269 275) no Hoare annotation was computed. [2020-10-15 01:36:03,379 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 265 279) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-15 01:36:03,379 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 265 279) no Hoare annotation was computed. [2020-10-15 01:36:03,379 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 220 228) no Hoare annotation was computed. [2020-10-15 01:36:03,379 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 220 228) the Hoare annotation is: true [2020-10-15 01:36:03,379 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 220 228) no Hoare annotation was computed. [2020-10-15 01:36:03,379 INFO L268 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-10-15 01:36:03,379 INFO L268 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-10-15 01:36:03,380 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 229 264) no Hoare annotation was computed. [2020-10-15 01:36:03,380 INFO L268 CegarLoopResult]: For program point L236(lines 236 244) no Hoare annotation was computed. [2020-10-15 01:36:03,380 INFO L268 CegarLoopResult]: For program point L236-2(lines 236 244) no Hoare annotation was computed. [2020-10-15 01:36:03,380 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 229 264) no Hoare annotation was computed. [2020-10-15 01:36:03,380 INFO L268 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-10-15 01:36:03,380 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 229 264) no Hoare annotation was computed. [2020-10-15 01:36:03,380 INFO L268 CegarLoopResult]: For program point L259-1(line 259) no Hoare annotation was computed. [2020-10-15 01:36:03,380 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 363 369) no Hoare annotation was computed. [2020-10-15 01:36:03,381 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 363 369) the Hoare annotation is: true [2020-10-15 01:36:03,381 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 402 447) no Hoare annotation was computed. [2020-10-15 01:36:03,381 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 402 447) no Hoare annotation was computed. [2020-10-15 01:36:03,381 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 402 447) no Hoare annotation was computed. [2020-10-15 01:36:03,381 INFO L268 CegarLoopResult]: For program point L735(lines 735 742) no Hoare annotation was computed. [2020-10-15 01:36:03,381 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 715 760) no Hoare annotation was computed. [2020-10-15 01:36:03,381 INFO L268 CegarLoopResult]: For program point L729(lines 729 749) no Hoare annotation was computed. [2020-10-15 01:36:03,381 INFO L268 CegarLoopResult]: For program point L729-1(lines 729 749) no Hoare annotation was computed. [2020-10-15 01:36:03,382 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 715 760) no Hoare annotation was computed. [2020-10-15 01:36:03,382 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 715 760) no Hoare annotation was computed. [2020-10-15 01:36:03,382 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 825 835) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:36:03,382 INFO L264 CegarLoopResult]: At program point L830(line 830) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:36:03,382 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 825 835) no Hoare annotation was computed. [2020-10-15 01:36:03,382 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 825 835) no Hoare annotation was computed. [2020-10-15 01:36:03,382 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 209 219) the Hoare annotation is: true [2020-10-15 01:36:03,382 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 209 219) no Hoare annotation was computed. [2020-10-15 01:36:03,383 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 209 219) no Hoare annotation was computed. [2020-10-15 01:36:03,383 INFO L271 CegarLoopResult]: At program point L214(line 214) the Hoare annotation is: true [2020-10-15 01:36:03,383 INFO L268 CegarLoopResult]: For program point L214-1(line 214) no Hoare annotation was computed. [2020-10-15 01:36:03,383 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 201 208) the Hoare annotation is: true [2020-10-15 01:36:03,383 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 201 208) no Hoare annotation was computed. [2020-10-15 01:36:03,383 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 201 208) no Hoare annotation was computed. [2020-10-15 01:36:03,383 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-15 01:36:03,383 INFO L268 CegarLoopResult]: For program point L187-1(lines 168 192) no Hoare annotation was computed. [2020-10-15 01:36:03,383 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 168 192) no Hoare annotation was computed. [2020-10-15 01:36:03,384 INFO L264 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-15 01:36:03,384 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 168 192) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-15 01:36:03,384 INFO L264 CegarLoopResult]: At program point L178(line 178) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-15 01:36:03,384 INFO L268 CegarLoopResult]: For program point L176(lines 176 184) no Hoare annotation was computed. [2020-10-15 01:36:03,384 INFO L264 CegarLoopResult]: At program point L174(line 174) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-15 01:36:03,384 INFO L268 CegarLoopResult]: For program point L174-1(line 174) no Hoare annotation was computed. [2020-10-15 01:36:03,384 INFO L268 CegarLoopResult]: For program point L172(lines 172 189) no Hoare annotation was computed. [2020-10-15 01:36:03,384 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 160 166) no Hoare annotation was computed. [2020-10-15 01:36:03,385 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 160 166) the Hoare annotation is: true [2020-10-15 01:36:03,385 INFO L264 CegarLoopResult]: At program point testENTRY(lines 282 347) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:36:03,385 INFO L264 CegarLoopResult]: At program point L314(line 314) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:36:03,385 INFO L268 CegarLoopResult]: For program point L312(lines 312 318) no Hoare annotation was computed. [2020-10-15 01:36:03,385 INFO L268 CegarLoopResult]: For program point L312-1(lines 312 318) no Hoare annotation was computed. [2020-10-15 01:36:03,385 INFO L268 CegarLoopResult]: For program point testFINAL(lines 282 347) no Hoare annotation was computed. [2020-10-15 01:36:03,385 INFO L264 CegarLoopResult]: At program point L337(lines 292 339) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:36:03,386 INFO L264 CegarLoopResult]: At program point L304(line 304) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:36:03,386 INFO L268 CegarLoopResult]: For program point L302(lines 302 308) no Hoare annotation was computed. [2020-10-15 01:36:03,386 INFO L268 CegarLoopResult]: For program point L302-1(lines 302 308) no Hoare annotation was computed. [2020-10-15 01:36:03,386 INFO L268 CegarLoopResult]: For program point L294(lines 294 298) no Hoare annotation was computed. [2020-10-15 01:36:03,386 INFO L264 CegarLoopResult]: At program point L340(lines 291 341) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (= ~methaneLevelCritical~0 0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:36:03,386 INFO L264 CegarLoopResult]: At program point L330(line 330) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:36:03,386 INFO L268 CegarLoopResult]: For program point L328(lines 328 334) no Hoare annotation was computed. [2020-10-15 01:36:03,387 INFO L264 CegarLoopResult]: At program point L328-1(lines 322 335) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:36:03,387 INFO L268 CegarLoopResult]: For program point L293(lines 292 339) no Hoare annotation was computed. [2020-10-15 01:36:03,387 INFO L268 CegarLoopResult]: For program point testEXIT(lines 282 347) no Hoare annotation was computed. [2020-10-15 01:36:03,387 INFO L268 CegarLoopResult]: For program point L322(lines 322 335) no Hoare annotation was computed. [2020-10-15 01:36:03,387 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 669 714) no Hoare annotation was computed. [2020-10-15 01:36:03,387 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 669 714) no Hoare annotation was computed. [2020-10-15 01:36:03,387 INFO L268 CegarLoopResult]: For program point L689(lines 689 696) no Hoare annotation was computed. [2020-10-15 01:36:03,387 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 669 714) no Hoare annotation was computed. [2020-10-15 01:36:03,387 INFO L268 CegarLoopResult]: For program point L683(lines 683 703) no Hoare annotation was computed. [2020-10-15 01:36:03,388 INFO L268 CegarLoopResult]: For program point L683-1(lines 683 703) no Hoare annotation was computed. [2020-10-15 01:36:03,388 INFO L264 CegarLoopResult]: At program point L884(line 884) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-15 01:36:03,388 INFO L268 CegarLoopResult]: For program point L882(lines 882 888) no Hoare annotation was computed. [2020-10-15 01:36:03,388 INFO L268 CegarLoopResult]: For program point L881(lines 881 891) no Hoare annotation was computed. [2020-10-15 01:36:03,388 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 869 897) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-15 01:36:03,388 INFO L264 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-10-15 01:36:03,388 INFO L268 CegarLoopResult]: For program point L879-1(line 879) no Hoare annotation was computed. [2020-10-15 01:36:03,388 INFO L268 CegarLoopResult]: For program point L877(lines 877 894) no Hoare annotation was computed. [2020-10-15 01:36:03,389 INFO L268 CegarLoopResult]: For program point L877-1(lines 869 897) no Hoare annotation was computed. [2020-10-15 01:36:03,389 INFO L264 CegarLoopResult]: At program point L875(line 875) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-15 01:36:03,389 INFO L268 CegarLoopResult]: For program point L875-1(line 875) no Hoare annotation was computed. [2020-10-15 01:36:03,389 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 869 897) no Hoare annotation was computed. [2020-10-15 01:36:03,389 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-10-15 01:36:03,389 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-10-15 01:36:03,389 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-10-15 01:36:03,389 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-10-15 01:36:03,389 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-10-15 01:36:03,390 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 861 868) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-15 01:36:03,390 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 861 868) no Hoare annotation was computed. [2020-10-15 01:36:03,390 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 861 868) no Hoare annotation was computed. [2020-10-15 01:36:03,390 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 353 362) no Hoare annotation was computed. [2020-10-15 01:36:03,390 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 353 362) no Hoare annotation was computed. [2020-10-15 01:36:03,390 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 353 362) no Hoare annotation was computed. [2020-10-15 01:36:03,390 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 566 668) no Hoare annotation was computed. [2020-10-15 01:36:03,390 INFO L268 CegarLoopResult]: For program point L636(lines 614 637) no Hoare annotation was computed. [2020-10-15 01:36:03,390 INFO L268 CegarLoopResult]: For program point L595(lines 595 611) no Hoare annotation was computed. [2020-10-15 01:36:03,391 INFO L268 CegarLoopResult]: For program point L655(lines 655 662) no Hoare annotation was computed. [2020-10-15 01:36:03,391 INFO L268 CegarLoopResult]: For program point L616(lines 615 635) no Hoare annotation was computed. [2020-10-15 01:36:03,391 INFO L268 CegarLoopResult]: For program point L647(line 647) no Hoare annotation was computed. [2020-10-15 01:36:03,391 INFO L268 CegarLoopResult]: For program point L647-1(line 647) no Hoare annotation was computed. [2020-10-15 01:36:03,391 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 566 668) no Hoare annotation was computed. [2020-10-15 01:36:03,391 INFO L268 CegarLoopResult]: For program point L612(lines 612 653) no Hoare annotation was computed. [2020-10-15 01:36:03,391 INFO L268 CegarLoopResult]: For program point L631(line 631) no Hoare annotation was computed. [2020-10-15 01:36:03,391 INFO L268 CegarLoopResult]: For program point L631-1(line 631) no Hoare annotation was computed. [2020-10-15 01:36:03,391 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 566 668) no Hoare annotation was computed. [2020-10-15 01:36:03,391 INFO L268 CegarLoopResult]: For program point L590(lines 590 594) no Hoare annotation was computed. [2020-10-15 01:36:03,392 INFO L268 CegarLoopResult]: For program point L654(lines 654 665) no Hoare annotation was computed. [2020-10-15 01:36:03,392 INFO L268 CegarLoopResult]: For program point L617(lines 617 621) no Hoare annotation was computed. [2020-10-15 01:36:03,392 INFO L268 CegarLoopResult]: For program point L615-2(lines 615 635) no Hoare annotation was computed. [2020-10-15 01:36:03,392 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-15 01:36:03,392 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-10-15 01:36:03,393 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-15 01:36:03,393 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 193 200) no Hoare annotation was computed. [2020-10-15 01:36:03,393 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 193 200) no Hoare annotation was computed. [2020-10-15 01:36:03,393 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 193 200) no Hoare annotation was computed. [2020-10-15 01:36:03,393 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 116 124) no Hoare annotation was computed. [2020-10-15 01:36:03,393 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-10-15 01:36:03,393 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-10-15 01:36:03,393 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-15 01:36:03,394 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-10-15 01:36:03,394 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-10-15 01:36:03,394 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-15 01:36:03,394 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-15 01:36:03,394 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-15 01:36:03,394 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-10-15 01:36:03,394 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-10-15 01:36:03,394 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-10-15 01:36:03,395 INFO L264 CegarLoopResult]: At program point L149(line 149) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0))) (or (not (= ~methaneLevelCritical~0 0)) (and .cse0 .cse1)))) [2020-10-15 01:36:03,395 INFO L264 CegarLoopResult]: At program point L147(lines 147 153) the Hoare annotation is: (let ((.cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (not (= |old(~pumpRunning~0)| 0))))) [2020-10-15 01:36:03,395 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 136 159) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-15 01:36:03,395 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (and (or (not (= ~methaneLevelCritical~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (not (= |old(~pumpRunning~0)| 0))) [2020-10-15 01:36:03,395 INFO L268 CegarLoopResult]: For program point L140(lines 139 158) no Hoare annotation was computed. [2020-10-15 01:36:03,395 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 136 159) no Hoare annotation was computed. [2020-10-15 01:36:03,395 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 136 159) no Hoare annotation was computed. [2020-10-15 01:36:03,396 INFO L264 CegarLoopResult]: At program point L769(line 769) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-15 01:36:03,396 INFO L268 CegarLoopResult]: For program point L769-1(line 769) no Hoare annotation was computed. [2020-10-15 01:36:03,396 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 763 792) no Hoare annotation was computed. [2020-10-15 01:36:03,396 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 763 792) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-15 01:36:03,396 INFO L271 CegarLoopResult]: At program point L788(lines 763 792) the Hoare annotation is: true [2020-10-15 01:36:03,396 INFO L268 CegarLoopResult]: For program point L784(line 784) no Hoare annotation was computed. [2020-10-15 01:36:03,396 INFO L268 CegarLoopResult]: For program point L777(lines 777 781) no Hoare annotation was computed. [2020-10-15 01:36:03,396 INFO L264 CegarLoopResult]: At program point L777-1(lines 777 781) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-15 01:36:03,397 INFO L268 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-10-15 01:36:03,397 INFO L264 CegarLoopResult]: At program point L773-2(lines 773 787) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-15 01:36:03,397 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-10-15 01:36:03,397 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-10-15 01:36:03,397 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-10-15 01:36:03,397 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 817 823) no Hoare annotation was computed. [2020-10-15 01:36:03,397 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 817 823) the Hoare annotation is: true [2020-10-15 01:36:03,397 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-15 01:36:03,397 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-15 01:36:03,398 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-15 01:36:03,398 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-15 01:36:03,398 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-10-15 01:36:03,398 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-10-15 01:36:03,398 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-15 01:36:03,398 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 387 394) no Hoare annotation was computed. [2020-10-15 01:36:03,398 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 391) no Hoare annotation was computed. [2020-10-15 01:36:03,399 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 387 394) the Hoare annotation is: true [2020-10-15 01:36:03,399 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 387 394) no Hoare annotation was computed. [2020-10-15 01:36:03,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:36:03 BoogieIcfgContainer [2020-10-15 01:36:03,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 01:36:03,418 INFO L168 Benchmark]: Toolchain (without parser) took 38528.36 ms. Allocated memory was 147.3 MB in the beginning and 756.5 MB in the end (delta: 609.2 MB). Free memory was 102.4 MB in the beginning and 673.3 MB in the end (delta: -570.8 MB). Peak memory consumption was 598.4 MB. Max. memory is 7.1 GB. [2020-10-15 01:36:03,419 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.4 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-15 01:36:03,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.96 ms. Allocated memory was 147.3 MB in the beginning and 205.5 MB in the end (delta: 58.2 MB). Free memory was 102.0 MB in the beginning and 174.1 MB in the end (delta: -72.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2020-10-15 01:36:03,421 INFO L168 Benchmark]: Boogie Preprocessor took 90.21 ms. Allocated memory is still 205.5 MB. Free memory was 174.1 MB in the beginning and 170.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-10-15 01:36:03,422 INFO L168 Benchmark]: RCFGBuilder took 1314.74 ms. Allocated memory was 205.5 MB in the beginning and 236.5 MB in the end (delta: 30.9 MB). Free memory was 169.2 MB in the beginning and 200.1 MB in the end (delta: -30.9 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2020-10-15 01:36:03,422 INFO L168 Benchmark]: TraceAbstraction took 36456.98 ms. Allocated memory was 236.5 MB in the beginning and 756.5 MB in the end (delta: 520.1 MB). Free memory was 198.4 MB in the beginning and 673.3 MB in the end (delta: -474.8 MB). Peak memory consumption was 605.2 MB. Max. memory is 7.1 GB. [2020-10-15 01:36:03,426 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.4 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 661.96 ms. Allocated memory was 147.3 MB in the beginning and 205.5 MB in the end (delta: 58.2 MB). Free memory was 102.0 MB in the beginning and 174.1 MB in the end (delta: -72.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.21 ms. Allocated memory is still 205.5 MB. Free memory was 174.1 MB in the beginning and 170.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1314.74 ms. Allocated memory was 205.5 MB in the beginning and 236.5 MB in the end (delta: 30.9 MB). Free memory was 169.2 MB in the beginning and 200.1 MB in the end (delta: -30.9 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 36456.98 ms. Allocated memory was 236.5 MB in the beginning and 756.5 MB in the end (delta: 520.1 MB). Free memory was 198.4 MB in the beginning and 673.3 MB in the end (delta: -474.8 MB). Peak memory consumption was 605.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 391]: 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: 292]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || methaneLevelCritical == 0) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 309 SDtfs, 747 SDslu, 442 SDs, 0 SdLazy, 1621 SolverSat, 524 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=309occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 201 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 476 PreInvPairs, 611 NumberOfFragments, 860 HoareAnnotationTreeSize, 476 FomulaSimplifications, 52021 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 53 FomulaSimplificationsInter, 15570 FormulaSimplificationTreeSizeReductionInter, 6.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 15.7s InterpolantComputationTime, 177 NumberOfCodeBlocks, 177 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 56458 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...