/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_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 01:36:51,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 01:36:51,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 01:36:51,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 01:36:51,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 01:36:51,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 01:36:51,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 01:36:51,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 01:36:51,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 01:36:51,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 01:36:51,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 01:36:51,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 01:36:51,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 01:36:51,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 01:36:51,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 01:36:51,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 01:36:51,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 01:36:51,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 01:36:51,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 01:36:51,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 01:36:51,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 01:36:51,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 01:36:51,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 01:36:51,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 01:36:51,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 01:36:51,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 01:36:51,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 01:36:51,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 01:36:51,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 01:36:51,820 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 01:36:51,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 01:36:51,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 01:36:51,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 01:36:51,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 01:36:51,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 01:36:51,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 01:36:51,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 01:36:51,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 01:36:51,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 01:36:51,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 01:36:51,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 01:36:51,827 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 01:36:51,847 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 01:36:51,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 01:36:51,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 01:36:51,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 01:36:51,849 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 01:36:51,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 01:36:51,850 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 01:36:51,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 01:36:51,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 01:36:51,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 01:36:51,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 01:36:51,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 01:36:51,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 01:36:51,851 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 01:36:51,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 01:36:51,851 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 01:36:51,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 01:36:51,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 01:36:51,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 01:36:51,852 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 01:36:51,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 01:36:51,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:36:51,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 01:36:51,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 01:36:51,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 01:36:51,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 01:36:51,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 01:36:51,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 01:36:51,854 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 01:36:51,854 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 01:36:52,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 01:36:52,171 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 01:36:52,177 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 01:36:52,179 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 01:36:52,180 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 01:36:52,180 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product28.cil.c [2020-10-15 01:36:52,247 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4be0d6cd8/d14d9627a71445b2ab3b68331f108f80/FLAG962b88f1a [2020-10-15 01:36:52,719 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 01:36:52,720 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product28.cil.c [2020-10-15 01:36:52,733 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4be0d6cd8/d14d9627a71445b2ab3b68331f108f80/FLAG962b88f1a [2020-10-15 01:36:53,062 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4be0d6cd8/d14d9627a71445b2ab3b68331f108f80 [2020-10-15 01:36:53,072 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 01:36:53,073 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 01:36:53,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 01:36:53,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 01:36:53,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 01:36:53,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:36:53" (1/1) ... [2020-10-15 01:36:53,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c6e054d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:53, skipping insertion in model container [2020-10-15 01:36:53,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:36:53" (1/1) ... [2020-10-15 01:36:53,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 01:36:53,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 01:36:53,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:36:53,473 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 01:36:53,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:36:53,768 INFO L208 MainTranslator]: Completed translation [2020-10-15 01:36:53,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:53 WrapperNode [2020-10-15 01:36:53,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 01:36:53,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 01:36:53,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 01:36:53,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 01:36:53,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:53" (1/1) ... [2020-10-15 01:36:53,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:53" (1/1) ... [2020-10-15 01:36:53,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:53" (1/1) ... [2020-10-15 01:36:53,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:53" (1/1) ... [2020-10-15 01:36:53,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:53" (1/1) ... [2020-10-15 01:36:53,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:53" (1/1) ... [2020-10-15 01:36:53,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:53" (1/1) ... [2020-10-15 01:36:53,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 01:36:53,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 01:36:53,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 01:36:53,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 01:36:53,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:53" (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 01:36:53,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 01:36:53,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 01:36:53,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-15 01:36:53,974 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-15 01:36:53,975 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-15 01:36:53,975 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-15 01:36:53,976 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-15 01:36:53,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-15 01:36:53,976 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-15 01:36:53,976 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-15 01:36:53,976 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-15 01:36:53,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-15 01:36:53,977 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-15 01:36:53,977 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-15 01:36:53,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-15 01:36:53,977 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-15 01:36:53,977 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-15 01:36:53,978 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-15 01:36:53,978 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-15 01:36:53,978 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-15 01:36:53,978 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-15 01:36:53,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-15 01:36:53,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-15 01:36:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-15 01:36:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-15 01:36:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-15 01:36:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-15 01:36:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-15 01:36:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-15 01:36:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-15 01:36:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-15 01:36:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-15 01:36:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-15 01:36:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-15 01:36:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 01:36:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-15 01:36:53,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-15 01:36:53,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-15 01:36:53,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-15 01:36:53,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-15 01:36:53,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-15 01:36:53,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 01:36:53,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 01:36:53,982 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-15 01:36:53,982 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-15 01:36:53,982 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-15 01:36:53,982 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-15 01:36:53,982 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-15 01:36:53,982 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-15 01:36:53,982 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-15 01:36:53,983 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-15 01:36:53,983 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-15 01:36:53,983 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-15 01:36:53,983 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-15 01:36:53,983 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-15 01:36:53,983 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-15 01:36:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 01:36:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-15 01:36:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-15 01:36:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-15 01:36:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-15 01:36:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-15 01:36:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-15 01:36:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-15 01:36:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-15 01:36:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-15 01:36:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-15 01:36:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-15 01:36:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-15 01:36:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-15 01:36:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-15 01:36:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-15 01:36:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-15 01:36:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-15 01:36:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-15 01:36:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-15 01:36:53,987 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 01:36:53,987 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-15 01:36:53,987 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 01:36:53,987 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 01:36:53,987 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-15 01:36:53,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 01:36:53,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 01:36:53,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 01:36:53,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 01:36:53,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-15 01:36:53,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 01:36:53,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-15 01:36:53,988 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-15 01:36:53,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 01:36:53,989 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-15 01:36:53,989 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-15 01:36:53,989 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-15 01:36:53,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 01:36:53,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 01:36:53,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 01:36:54,905 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 01:36:54,905 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-15 01:36:54,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:36:54 BoogieIcfgContainer [2020-10-15 01:36:54,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 01:36:54,912 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 01:36:54,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 01:36:54,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 01:36:54,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:36:53" (1/3) ... [2020-10-15 01:36:54,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f5345c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:36:54, skipping insertion in model container [2020-10-15 01:36:54,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:53" (2/3) ... [2020-10-15 01:36:54,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f5345c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:36:54, skipping insertion in model container [2020-10-15 01:36:54,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:36:54" (3/3) ... [2020-10-15 01:36:54,919 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product28.cil.c [2020-10-15 01:36:54,929 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 01:36:54,936 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 01:36:54,950 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 01:36:54,971 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 01:36:54,971 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 01:36:54,971 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 01:36:54,972 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 01:36:54,972 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 01:36:54,972 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 01:36:54,972 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 01:36:54,972 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 01:36:54,993 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-10-15 01:36:55,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-15 01:36:55,003 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:36:55,004 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 01:36:55,004 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:36:55,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:36:55,011 INFO L82 PathProgramCache]: Analyzing trace with hash 428209433, now seen corresponding path program 1 times [2020-10-15 01:36:55,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:36:55,020 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1781173460] [2020-10-15 01:36:55,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:36:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:55,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:55,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:56,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:56,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:56,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:00,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:00,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-15 01:37:00,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 01:37:00,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-15 01:37:00,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:00,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:00,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 01:37:00,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:37:00,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-15 01:37:00,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 13 [2020-10-15 01:37:00,691 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:37:00,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:37:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:00,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:00,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:00,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:00,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:00,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-15 01:37:00,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:00,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:00,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:00,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:00,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:37:00,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:00,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:37:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:00,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:00,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:00,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:00,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:00,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:37:00,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:00,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:00,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:00,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:00,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:00,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:00,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:37:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:00,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:00,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:00,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:00,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:00,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:00,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:00,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:00,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:00,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:00,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:00,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:00,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:37:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:00,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:00,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:00,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:00,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:00,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:37:00,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:00,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:00,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:00,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:00,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:00,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:00,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:37:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:00,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:00,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:00,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:00,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:00,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:00,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:00,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:00,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:00,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:00,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:00,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:00,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:37:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:00,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:00,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:00,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:00,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:00,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:00,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:00,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:00,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:00,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:00,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:00,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:00,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 01:37:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:00,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:00,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:00,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:00,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:00,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:00,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:00,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:00,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:00,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:37:00,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:00,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:00,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 01:37:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:00,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:00,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:00,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:00,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:00,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:00,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:00,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:00,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:00,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:37:00,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:00,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:00,939 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 01:37:00,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1781173460] [2020-10-15 01:37:00,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:37:00,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 01:37:00,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616895517] [2020-10-15 01:37:00,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 01:37:00,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:37:00,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 01:37:00,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 01:37:00,972 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 5 states. [2020-10-15 01:37:01,421 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:37:03,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:37:03,005 INFO L93 Difference]: Finished difference Result 382 states and 507 transitions. [2020-10-15 01:37:03,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 01:37:03,007 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-10-15 01:37:03,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:37:03,023 INFO L225 Difference]: With dead ends: 382 [2020-10-15 01:37:03,023 INFO L226 Difference]: Without dead ends: 253 [2020-10-15 01:37:03,028 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 01:37:03,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-10-15 01:37:03,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 200. [2020-10-15 01:37:03,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-10-15 01:37:03,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 241 transitions. [2020-10-15 01:37:03,174 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 241 transitions. Word has length 51 [2020-10-15 01:37:03,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:37:03,175 INFO L479 AbstractCegarLoop]: Abstraction has 200 states and 241 transitions. [2020-10-15 01:37:03,175 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 01:37:03,175 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 241 transitions. [2020-10-15 01:37:03,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-15 01:37:03,188 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:37:03,188 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] [2020-10-15 01:37:03,189 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 01:37:03,189 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:37:03,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:37:03,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1418235572, now seen corresponding path program 1 times [2020-10-15 01:37:03,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:37:03,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1244096024] [2020-10-15 01:37:03,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:37:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:03,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:03,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:03,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:04,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:04,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:08,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:08,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-15 01:37:08,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 01:37:08,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-15 01:37:08,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:08,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:08,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 01:37:08,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:37:08,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-15 01:37:08,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:08,655 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:37:08,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:37:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:08,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:08,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:08,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:08,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:08,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-15 01:37:08,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:08,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:08,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:08,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:08,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:37:08,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:08,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:37:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:08,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:08,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:08,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:08,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:08,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:37:08,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:08,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:08,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:08,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:08,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:08,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:08,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:37:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:08,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:08,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:08,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:08,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:08,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:08,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:08,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:08,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:08,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:08,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:08,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:08,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:37:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:08,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:08,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:08,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:08,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:08,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:08,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:08,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:08,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:08,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:08,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:08,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:08,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:37:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:08,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:08,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:08,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:08,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:08,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:08,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:08,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:08,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:08,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:08,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:08,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:08,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:37:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:08,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:08,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:08,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:08,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:08,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:37:08,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:08,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:08,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:08,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:08,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:08,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 01:37:08,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-15 01:37:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:08,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:08,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:08,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:37:08,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:08,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:08,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:08,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:08,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:08,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:08,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 01:37:08,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:08,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:37:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:08,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:08,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:08,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:08,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:08,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:37:08,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:08,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:08,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:08,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:08,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:08,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:08,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-15 01:37:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:08,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:08,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:08,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:08,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:08,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 01:37:08,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:08,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:08,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:37:08,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:08,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:08,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:08,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-15 01:37:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:08,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:08,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:08,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:08,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:08,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:08,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:08,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:08,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:08,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:37:08,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:08,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:08,870 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 01:37:08,871 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1244096024] [2020-10-15 01:37:08,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:37:08,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 01:37:08,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209943033] [2020-10-15 01:37:08,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 01:37:08,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:37:08,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 01:37:08,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-15 01:37:08,875 INFO L87 Difference]: Start difference. First operand 200 states and 241 transitions. Second operand 9 states. [2020-10-15 01:37:09,335 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:37:10,630 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-15 01:37:10,927 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-15 01:37:11,215 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-15 01:37:11,530 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:37:12,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:37:12,663 INFO L93 Difference]: Finished difference Result 701 states and 978 transitions. [2020-10-15 01:37:12,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 01:37:12,666 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-10-15 01:37:12,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:37:12,674 INFO L225 Difference]: With dead ends: 701 [2020-10-15 01:37:12,674 INFO L226 Difference]: Without dead ends: 496 [2020-10-15 01:37:12,679 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-10-15 01:37:12,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2020-10-15 01:37:12,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 337. [2020-10-15 01:37:12,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2020-10-15 01:37:12,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 408 transitions. [2020-10-15 01:37:12,806 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 408 transitions. Word has length 65 [2020-10-15 01:37:12,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:37:12,807 INFO L479 AbstractCegarLoop]: Abstraction has 337 states and 408 transitions. [2020-10-15 01:37:12,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 01:37:12,807 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 408 transitions. [2020-10-15 01:37:12,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-15 01:37:12,809 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:37:12,810 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 01:37:12,810 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 01:37:12,810 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:37:12,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:37:12,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1668441378, now seen corresponding path program 1 times [2020-10-15 01:37:12,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:37:12,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [219010229] [2020-10-15 01:37:12,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:37:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:12,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:13,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:13,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:14,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:16,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:16,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-15 01:37:16,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 01:37:16,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4138 [2020-10-15 01:37:16,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:16,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:16,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 01:37:16,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:37:16,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-15 01:37:16,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:17,269 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:37:17,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:37:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:17,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:17,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:17,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:17,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:17,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-15 01:37:17,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:17,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:17,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:17,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:17,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:37:17,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:17,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:37:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:17,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:17,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:17,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:17,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:17,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:17,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:17,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:17,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:17,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:17,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:17,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:17,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:37:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:17,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:17,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:17,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:17,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:17,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:37:17,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:17,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:17,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:17,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:17,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:17,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:17,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:37:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:17,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:17,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:17,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:17,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:17,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:37:17,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:17,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:17,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:17,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:17,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:17,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:17,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:37:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:17,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:17,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:17,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:17,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:17,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:17,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:17,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:17,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:17,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:17,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:17,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:17,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:37:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:17,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:17,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:17,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:17,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:17,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:17,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:17,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:17,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:17,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:17,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:17,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:17,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 01:37:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:17,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:17,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:17,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:17,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:17,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:17,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:17,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:17,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:17,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:17,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:17,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:17,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 01:37:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:17,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:17,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:17,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:17,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:37:17,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:37:17,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:37:17,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:17,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:17,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:37:17,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:37:17,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 01:37:17,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:17,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-15 01:37:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:17,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:17,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:17,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:17,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:17,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:17,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:17,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:17,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:17,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:17,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:17,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:17,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 01:37:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:17,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:17,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:17,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:17,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:17,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:37:17,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:17,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:17,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:37:17,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:17,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:17,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:17,562 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 01:37:17,562 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [219010229] [2020-10-15 01:37:17,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:37:17,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 01:37:17,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099436735] [2020-10-15 01:37:17,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 01:37:17,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:37:17,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 01:37:17,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-15 01:37:17,565 INFO L87 Difference]: Start difference. First operand 337 states and 408 transitions. Second operand 11 states. [2020-10-15 01:37:18,010 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:37:19,200 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-10-15 01:37:19,458 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:37:19,740 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-15 01:37:20,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:37:20,345 INFO L93 Difference]: Finished difference Result 664 states and 900 transitions. [2020-10-15 01:37:20,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 01:37:20,346 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 66 [2020-10-15 01:37:20,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:37:20,347 INFO L225 Difference]: With dead ends: 664 [2020-10-15 01:37:20,347 INFO L226 Difference]: Without dead ends: 0 [2020-10-15 01:37:20,350 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2020-10-15 01:37:20,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-15 01:37:20,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-15 01:37:20,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-15 01:37:20,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-15 01:37:20,351 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-10-15 01:37:20,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:37:20,351 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-15 01:37:20,351 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 01:37:20,352 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-15 01:37:20,352 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-15 01:37:20,352 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 01:37:20,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-15 01:37:24,260 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 7 [2020-10-15 01:37:24,420 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:24,571 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-10-15 01:37:24,804 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:25,095 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-15 01:37:25,300 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:37:25,460 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:25,913 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-10-15 01:37:26,061 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-10-15 01:37:26,353 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-10-15 01:37:26,705 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 8 [2020-10-15 01:37:27,038 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-10-15 01:37:27,508 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 19 [2020-10-15 01:37:27,669 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:27,828 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:28,012 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:28,185 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-10-15 01:37:28,344 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:28,654 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 13 [2020-10-15 01:37:28,947 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 7 [2020-10-15 01:37:29,092 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-10-15 01:37:29,413 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 18 [2020-10-15 01:37:29,578 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:30,008 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 19 [2020-10-15 01:37:30,319 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 11 [2020-10-15 01:37:30,654 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-15 01:37:30,945 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 8 [2020-10-15 01:37:31,242 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 8 [2020-10-15 01:37:31,247 INFO L268 CegarLoopResult]: For program point L673(lines 673 677) no Hoare annotation was computed. [2020-10-15 01:37:31,247 INFO L268 CegarLoopResult]: For program point L673-1(lines 673 677) no Hoare annotation was computed. [2020-10-15 01:37:31,247 INFO L268 CegarLoopResult]: For program point L668(line 668) no Hoare annotation was computed. [2020-10-15 01:37:31,248 INFO L268 CegarLoopResult]: For program point L667-2(lines 667 688) no Hoare annotation was computed. [2020-10-15 01:37:31,248 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 642 697) no Hoare annotation was computed. [2020-10-15 01:37:31,248 INFO L268 CegarLoopResult]: For program point L689(lines 666 690) no Hoare annotation was computed. [2020-10-15 01:37:31,248 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 642 697) no Hoare annotation was computed. [2020-10-15 01:37:31,248 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 642 697) no Hoare annotation was computed. [2020-10-15 01:37:31,249 INFO L268 CegarLoopResult]: For program point L730(lines 730 734) no Hoare annotation was computed. [2020-10-15 01:37:31,249 INFO L268 CegarLoopResult]: For program point L730-1(lines 730 734) no Hoare annotation was computed. [2020-10-15 01:37:31,249 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 698 757) no Hoare annotation was computed. [2020-10-15 01:37:31,249 INFO L268 CegarLoopResult]: For program point L725(line 725) no Hoare annotation was computed. [2020-10-15 01:37:31,249 INFO L268 CegarLoopResult]: For program point L724-2(lines 724 749) no Hoare annotation was computed. [2020-10-15 01:37:31,249 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 698 757) no Hoare annotation was computed. [2020-10-15 01:37:31,249 INFO L268 CegarLoopResult]: For program point L750(lines 723 751) no Hoare annotation was computed. [2020-10-15 01:37:31,250 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 698 757) no Hoare annotation was computed. [2020-10-15 01:37:31,250 INFO L268 CegarLoopResult]: For program point L743(line 743) no Hoare annotation was computed. [2020-10-15 01:37:31,250 INFO L268 CegarLoopResult]: For program point L743-1(line 743) no Hoare annotation was computed. [2020-10-15 01:37:31,250 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-10-15 01:37:31,250 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-10-15 01:37:31,250 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-10-15 01:37:31,250 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-10-15 01:37:31,250 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-10-15 01:37:31,250 INFO L264 CegarLoopResult]: At program point L578-1(line 578) 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 01:37:31,251 INFO L268 CegarLoopResult]: For program point L576(lines 576 583) no Hoare annotation was computed. [2020-10-15 01:37:31,251 INFO L268 CegarLoopResult]: For program point L576-1(lines 576 583) no Hoare annotation was computed. [2020-10-15 01:37:31,251 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-15 01:37:31,251 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 566 588) 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 01:37:31,251 INFO L264 CegarLoopResult]: At program point L573(line 573) 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 01:37:31,251 INFO L264 CegarLoopResult]: At program point L572(line 572) 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 01:37:31,251 INFO L264 CegarLoopResult]: At program point L572-1(line 572) 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 01:37:31,252 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 566 588) no Hoare annotation was computed. [2020-10-15 01:37:31,252 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 566 588) no Hoare annotation was computed. [2020-10-15 01:37:31,252 INFO L264 CegarLoopResult]: At program point L578(line 578) 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 01:37:31,252 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 524 547) no Hoare annotation was computed. [2020-10-15 01:37:31,252 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-10-15 01:37:31,252 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-15 01:37:31,252 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 524 547) no Hoare annotation was computed. [2020-10-15 01:37:31,253 INFO L268 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-15 01:37:31,253 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 524 547) no Hoare annotation was computed. [2020-10-15 01:37:31,253 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-10-15 01:37:31,253 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-15 01:37:31,253 INFO L268 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-15 01:37:31,253 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-10-15 01:37:31,253 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-15 01:37:31,253 INFO L268 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-15 01:37:31,254 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-10-15 01:37:31,254 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-15 01:37:31,254 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-15 01:37:31,254 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-10-15 01:37:31,254 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-15 01:37:31,254 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 360 374) no Hoare annotation was computed. [2020-10-15 01:37:31,254 INFO L264 CegarLoopResult]: At program point L366(line 366) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-15 01:37:31,255 INFO L268 CegarLoopResult]: For program point L364(lines 364 370) no Hoare annotation was computed. [2020-10-15 01:37:31,255 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 360 374) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-15 01:37:31,255 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 360 374) no Hoare annotation was computed. [2020-10-15 01:37:31,255 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 296 304) no Hoare annotation was computed. [2020-10-15 01:37:31,255 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 296 304) the Hoare annotation is: true [2020-10-15 01:37:31,255 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 296 304) no Hoare annotation was computed. [2020-10-15 01:37:31,255 INFO L268 CegarLoopResult]: For program point L350(lines 350 354) no Hoare annotation was computed. [2020-10-15 01:37:31,255 INFO L271 CegarLoopResult]: At program point L348(line 348) the Hoare annotation is: true [2020-10-15 01:37:31,255 INFO L268 CegarLoopResult]: For program point L350-2(lines 350 354) no Hoare annotation was computed. [2020-10-15 01:37:31,256 INFO L268 CegarLoopResult]: For program point L348-1(line 348) no Hoare annotation was computed. [2020-10-15 01:37:31,256 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 341 359) the Hoare annotation is: true [2020-10-15 01:37:31,256 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 341 359) no Hoare annotation was computed. [2020-10-15 01:37:31,256 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 341 359) no Hoare annotation was computed. [2020-10-15 01:37:31,256 INFO L268 CegarLoopResult]: For program point L312(lines 312 320) no Hoare annotation was computed. [2020-10-15 01:37:31,256 INFO L268 CegarLoopResult]: For program point L312-2(lines 312 320) no Hoare annotation was computed. [2020-10-15 01:37:31,256 INFO L268 CegarLoopResult]: For program point L335(line 335) no Hoare annotation was computed. [2020-10-15 01:37:31,256 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 305 340) no Hoare annotation was computed. [2020-10-15 01:37:31,256 INFO L268 CegarLoopResult]: For program point L335-1(line 335) no Hoare annotation was computed. [2020-10-15 01:37:31,257 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 305 340) no Hoare annotation was computed. [2020-10-15 01:37:31,257 INFO L268 CegarLoopResult]: For program point L324(lines 324 332) no Hoare annotation was computed. [2020-10-15 01:37:31,257 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 305 340) no Hoare annotation was computed. [2020-10-15 01:37:31,257 INFO L268 CegarLoopResult]: For program point L324-2(lines 324 332) no Hoare annotation was computed. [2020-10-15 01:37:31,257 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-10-15 01:37:31,257 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-10-15 01:37:31,257 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 596 641) no Hoare annotation was computed. [2020-10-15 01:37:31,257 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 596 641) no Hoare annotation was computed. [2020-10-15 01:37:31,257 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 596 641) no Hoare annotation was computed. [2020-10-15 01:37:31,258 INFO L268 CegarLoopResult]: For program point L929(lines 929 936) no Hoare annotation was computed. [2020-10-15 01:37:31,258 INFO L268 CegarLoopResult]: For program point L923(lines 923 943) no Hoare annotation was computed. [2020-10-15 01:37:31,258 INFO L268 CegarLoopResult]: For program point L923-1(lines 923 943) no Hoare annotation was computed. [2020-10-15 01:37:31,258 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 909 954) no Hoare annotation was computed. [2020-10-15 01:37:31,258 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 909 954) no Hoare annotation was computed. [2020-10-15 01:37:31,258 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 909 954) no Hoare annotation was computed. [2020-10-15 01:37:31,258 INFO L264 CegarLoopResult]: At program point L560(line 560) 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 01:37:31,258 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 555 565) 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 01:37:31,258 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 555 565) no Hoare annotation was computed. [2020-10-15 01:37:31,259 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 555 565) no Hoare annotation was computed. [2020-10-15 01:37:31,259 INFO L268 CegarLoopResult]: For program point L290-1(line 290) no Hoare annotation was computed. [2020-10-15 01:37:31,259 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 285 295) no Hoare annotation was computed. [2020-10-15 01:37:31,259 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 285 295) no Hoare annotation was computed. [2020-10-15 01:37:31,259 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 285 295) no Hoare annotation was computed. [2020-10-15 01:37:31,259 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2020-10-15 01:37:31,259 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 277 284) the Hoare annotation is: true [2020-10-15 01:37:31,259 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 277 284) no Hoare annotation was computed. [2020-10-15 01:37:31,259 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 277 284) no Hoare annotation was computed. [2020-10-15 01:37:31,260 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 226 250) no Hoare annotation was computed. [2020-10-15 01:37:31,260 INFO L264 CegarLoopResult]: At program point L245(line 245) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-15 01:37:31,260 INFO L268 CegarLoopResult]: For program point L245-1(lines 226 250) no Hoare annotation was computed. [2020-10-15 01:37:31,260 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 226 250) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-15 01:37:31,260 INFO L264 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-15 01:37:31,260 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-15 01:37:31,260 INFO L268 CegarLoopResult]: For program point L234(lines 234 242) no Hoare annotation was computed. [2020-10-15 01:37:31,260 INFO L264 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-15 01:37:31,260 INFO L268 CegarLoopResult]: For program point L232-1(line 232) no Hoare annotation was computed. [2020-10-15 01:37:31,260 INFO L268 CegarLoopResult]: For program point L230(lines 230 247) no Hoare annotation was computed. [2020-10-15 01:37:31,260 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 218 224) no Hoare annotation was computed. [2020-10-15 01:37:31,260 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 218 224) the Hoare annotation is: true [2020-10-15 01:37:31,261 INFO L264 CegarLoopResult]: At program point L417(line 417) 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 01:37:31,261 INFO L264 CegarLoopResult]: At program point testENTRY(lines 385 452) 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 01:37:31,261 INFO L268 CegarLoopResult]: For program point L415(lines 415 421) no Hoare annotation was computed. [2020-10-15 01:37:31,261 INFO L268 CegarLoopResult]: For program point L415-1(lines 415 421) no Hoare annotation was computed. [2020-10-15 01:37:31,261 INFO L264 CegarLoopResult]: At program point L442(lines 395 444) 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 01:37:31,261 INFO L264 CegarLoopResult]: At program point L407(line 407) 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 01:37:31,261 INFO L268 CegarLoopResult]: For program point testFINAL(lines 385 452) no Hoare annotation was computed. [2020-10-15 01:37:31,261 INFO L268 CegarLoopResult]: For program point L405(lines 405 411) no Hoare annotation was computed. [2020-10-15 01:37:31,261 INFO L268 CegarLoopResult]: For program point L405-1(lines 405 411) no Hoare annotation was computed. [2020-10-15 01:37:31,261 INFO L268 CegarLoopResult]: For program point L397(lines 397 401) no Hoare annotation was computed. [2020-10-15 01:37:31,261 INFO L264 CegarLoopResult]: At program point L445(lines 394 446) 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 01:37:31,262 INFO L264 CegarLoopResult]: At program point L435(line 435) 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 01:37:31,262 INFO L268 CegarLoopResult]: For program point L433(lines 433 439) no Hoare annotation was computed. [2020-10-15 01:37:31,262 INFO L264 CegarLoopResult]: At program point L433-1(lines 425 440) 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 01:37:31,262 INFO L268 CegarLoopResult]: For program point L396(lines 395 444) no Hoare annotation was computed. [2020-10-15 01:37:31,262 INFO L264 CegarLoopResult]: At program point L427(line 427) 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 01:37:31,262 INFO L268 CegarLoopResult]: For program point L425(lines 425 440) no Hoare annotation was computed. [2020-10-15 01:37:31,262 INFO L268 CegarLoopResult]: For program point testEXIT(lines 385 452) no Hoare annotation was computed. [2020-10-15 01:37:31,262 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 863 908) no Hoare annotation was computed. [2020-10-15 01:37:31,262 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 863 908) no Hoare annotation was computed. [2020-10-15 01:37:31,262 INFO L268 CegarLoopResult]: For program point L883(lines 883 890) no Hoare annotation was computed. [2020-10-15 01:37:31,262 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 863 908) no Hoare annotation was computed. [2020-10-15 01:37:31,262 INFO L268 CegarLoopResult]: For program point L877(lines 877 897) no Hoare annotation was computed. [2020-10-15 01:37:31,263 INFO L268 CegarLoopResult]: For program point L877-1(lines 877 897) no Hoare annotation was computed. [2020-10-15 01:37:31,263 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 251 258) no Hoare annotation was computed. [2020-10-15 01:37:31,263 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 251 258) no Hoare annotation was computed. [2020-10-15 01:37:31,263 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 251 258) no Hoare annotation was computed. [2020-10-15 01:37:31,263 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 173 181) no Hoare annotation was computed. [2020-10-15 01:37:31,263 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 173 181) the Hoare annotation is: true [2020-10-15 01:37:31,263 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 173 181) no Hoare annotation was computed. [2020-10-15 01:37:31,263 INFO L264 CegarLoopResult]: At program point L478(line 478) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-15 01:37:31,263 INFO L268 CegarLoopResult]: For program point L476(lines 476 482) no Hoare annotation was computed. [2020-10-15 01:37:31,263 INFO L268 CegarLoopResult]: For program point L475(lines 475 485) no Hoare annotation was computed. [2020-10-15 01:37:31,263 INFO L264 CegarLoopResult]: At program point L473(line 473) 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 01:37:31,263 INFO L268 CegarLoopResult]: For program point L473-1(line 473) no Hoare annotation was computed. [2020-10-15 01:37:31,263 INFO L268 CegarLoopResult]: For program point L471(lines 471 488) no Hoare annotation was computed. [2020-10-15 01:37:31,264 INFO L268 CegarLoopResult]: For program point L471-1(lines 463 491) no Hoare annotation was computed. [2020-10-15 01:37:31,264 INFO L264 CegarLoopResult]: At program point L469(line 469) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-15 01:37:31,264 INFO L268 CegarLoopResult]: For program point L469-1(line 469) no Hoare annotation was computed. [2020-10-15 01:37:31,264 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 463 491) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-15 01:37:31,264 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 463 491) no Hoare annotation was computed. [2020-10-15 01:37:31,264 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 141 163) no Hoare annotation was computed. [2020-10-15 01:37:31,264 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 141 163) no Hoare annotation was computed. [2020-10-15 01:37:31,264 INFO L268 CegarLoopResult]: For program point L149(lines 149 157) no Hoare annotation was computed. [2020-10-15 01:37:31,264 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 141 163) no Hoare annotation was computed. [2020-10-15 01:37:31,264 INFO L268 CegarLoopResult]: For program point L149-2(lines 149 157) no Hoare annotation was computed. [2020-10-15 01:37:31,264 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 455 462) 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 01:37:31,264 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 455 462) no Hoare annotation was computed. [2020-10-15 01:37:31,265 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 455 462) no Hoare annotation was computed. [2020-10-15 01:37:31,265 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-10-15 01:37:31,265 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-10-15 01:37:31,265 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-10-15 01:37:31,265 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 760 862) no Hoare annotation was computed. [2020-10-15 01:37:31,265 INFO L268 CegarLoopResult]: For program point L830(lines 808 831) no Hoare annotation was computed. [2020-10-15 01:37:31,265 INFO L268 CegarLoopResult]: For program point L789(lines 789 805) no Hoare annotation was computed. [2020-10-15 01:37:31,265 INFO L268 CegarLoopResult]: For program point L849(lines 849 856) no Hoare annotation was computed. [2020-10-15 01:37:31,265 INFO L268 CegarLoopResult]: For program point L810(lines 809 829) no Hoare annotation was computed. [2020-10-15 01:37:31,265 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-10-15 01:37:31,265 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-10-15 01:37:31,265 INFO L268 CegarLoopResult]: For program point L806(lines 806 847) no Hoare annotation was computed. [2020-10-15 01:37:31,266 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 760 862) no Hoare annotation was computed. [2020-10-15 01:37:31,266 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-10-15 01:37:31,266 INFO L268 CegarLoopResult]: For program point L825-1(line 825) no Hoare annotation was computed. [2020-10-15 01:37:31,266 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 760 862) no Hoare annotation was computed. [2020-10-15 01:37:31,266 INFO L268 CegarLoopResult]: For program point L784(lines 784 788) no Hoare annotation was computed. [2020-10-15 01:37:31,266 INFO L268 CegarLoopResult]: For program point L848(lines 848 859) no Hoare annotation was computed. [2020-10-15 01:37:31,266 INFO L268 CegarLoopResult]: For program point L811(lines 811 815) no Hoare annotation was computed. [2020-10-15 01:37:31,266 INFO L268 CegarLoopResult]: For program point L809-2(lines 809 829) no Hoare annotation was computed. [2020-10-15 01:37:31,266 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-15 01:37:31,267 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#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~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-15 01:37:31,267 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-15 01:37:31,267 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-10-15 01:37:31,267 INFO L268 CegarLoopResult]: For program point L271-1(lines 260 276) no Hoare annotation was computed. [2020-10-15 01:37:31,267 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 260 276) no Hoare annotation was computed. [2020-10-15 01:37:31,267 INFO L268 CegarLoopResult]: For program point L267(lines 267 273) no Hoare annotation was computed. [2020-10-15 01:37:31,267 INFO L268 CegarLoopResult]: For program point L265(line 265) no Hoare annotation was computed. [2020-10-15 01:37:31,267 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 260 276) no Hoare annotation was computed. [2020-10-15 01:37:31,267 INFO L268 CegarLoopResult]: For program point L265-1(line 265) no Hoare annotation was computed. [2020-10-15 01:37:31,267 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 164 172) no Hoare annotation was computed. [2020-10-15 01:37:31,268 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 164 172) no Hoare annotation was computed. [2020-10-15 01:37:31,268 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 164 172) no Hoare annotation was computed. [2020-10-15 01:37:31,268 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 120 131) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-15 01:37:31,268 INFO L268 CegarLoopResult]: For program point L124-1(lines 120 131) no Hoare annotation was computed. [2020-10-15 01:37:31,268 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2020-10-15 01:37:31,268 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-15 01:37:31,268 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-15 01:37:31,268 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-15 01:37:31,268 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 132 140) the Hoare annotation is: true [2020-10-15 01:37:31,268 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 132 140) no Hoare annotation was computed. [2020-10-15 01:37:31,268 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 132 140) no Hoare annotation was computed. [2020-10-15 01:37:31,269 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 194 217) 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 01:37:31,269 INFO L264 CegarLoopResult]: At program point L207(line 207) 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 01:37:31,269 INFO L264 CegarLoopResult]: At program point L205(lines 205 211) 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 01:37:31,269 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 194 217) no Hoare annotation was computed. [2020-10-15 01:37:31,269 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (and (not (= |old(~pumpRunning~0)| 0)) (or (not (= ~methaneLevelCritical~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) [2020-10-15 01:37:31,269 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 194 217) no Hoare annotation was computed. [2020-10-15 01:37:31,269 INFO L268 CegarLoopResult]: For program point L198(lines 197 216) no Hoare annotation was computed. [2020-10-15 01:37:31,269 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 494 523) no Hoare annotation was computed. [2020-10-15 01:37:31,270 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 494 523) 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 01:37:31,270 INFO L268 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2020-10-15 01:37:31,270 INFO L264 CegarLoopResult]: At program point L508-1(lines 508 512) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-15 01:37:31,270 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-15 01:37:31,270 INFO L264 CegarLoopResult]: At program point L504-2(lines 504 518) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-15 01:37:31,270 INFO L264 CegarLoopResult]: At program point L500(line 500) 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 01:37:31,270 INFO L268 CegarLoopResult]: For program point L500-1(line 500) no Hoare annotation was computed. [2020-10-15 01:37:31,271 INFO L271 CegarLoopResult]: At program point L519(lines 494 523) the Hoare annotation is: true [2020-10-15 01:37:31,271 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-10-15 01:37:31,271 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 96 107) the Hoare annotation is: true [2020-10-15 01:37:31,271 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 96 107) no Hoare annotation was computed. [2020-10-15 01:37:31,271 INFO L268 CegarLoopResult]: For program point L100-1(lines 96 107) no Hoare annotation was computed. [2020-10-15 01:37:31,271 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 548 554) no Hoare annotation was computed. [2020-10-15 01:37:31,271 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 548 554) the Hoare annotation is: true [2020-10-15 01:37:31,271 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-15 01:37:31,272 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 01:37:31,272 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-15 01:37:31,272 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-15 01:37:31,272 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 375 382) no Hoare annotation was computed. [2020-10-15 01:37:31,272 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 375 382) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-10-15 01:37:31,272 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 375 382) no Hoare annotation was computed. [2020-10-15 01:37:31,272 INFO L268 CegarLoopResult]: For program point L112-1(lines 108 119) no Hoare annotation was computed. [2020-10-15 01:37:31,272 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2020-10-15 01:37:31,272 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 108 119) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-15 01:37:31,273 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2020-10-15 01:37:31,273 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-10-15 01:37:31,273 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2020-10-15 01:37:31,273 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2020-10-15 01:37:31,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:37:31 BoogieIcfgContainer [2020-10-15 01:37:31,290 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 01:37:31,292 INFO L168 Benchmark]: Toolchain (without parser) took 38218.51 ms. Allocated memory was 147.8 MB in the beginning and 743.4 MB in the end (delta: 595.6 MB). Free memory was 103.4 MB in the beginning and 599.5 MB in the end (delta: -496.1 MB). Peak memory consumption was 608.4 MB. Max. memory is 7.1 GB. [2020-10-15 01:37:31,293 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-10-15 01:37:31,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 694.80 ms. Allocated memory was 147.8 MB in the beginning and 206.0 MB in the end (delta: 58.2 MB). Free memory was 102.9 MB in the beginning and 176.2 MB in the end (delta: -73.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2020-10-15 01:37:31,294 INFO L168 Benchmark]: Boogie Preprocessor took 117.77 ms. Allocated memory is still 206.0 MB. Free memory was 176.2 MB in the beginning and 171.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-10-15 01:37:31,295 INFO L168 Benchmark]: RCFGBuilder took 1022.99 ms. Allocated memory was 206.0 MB in the beginning and 235.4 MB in the end (delta: 29.4 MB). Free memory was 171.3 MB in the beginning and 197.3 MB in the end (delta: -26.1 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2020-10-15 01:37:31,296 INFO L168 Benchmark]: TraceAbstraction took 36378.00 ms. Allocated memory was 235.4 MB in the beginning and 743.4 MB in the end (delta: 508.0 MB). Free memory was 195.7 MB in the beginning and 599.5 MB in the end (delta: -403.8 MB). Peak memory consumption was 613.1 MB. Max. memory is 7.1 GB. [2020-10-15 01:37:31,300 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 694.80 ms. Allocated memory was 147.8 MB in the beginning and 206.0 MB in the end (delta: 58.2 MB). Free memory was 102.9 MB in the beginning and 176.2 MB in the end (delta: -73.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.77 ms. Allocated memory is still 206.0 MB. Free memory was 176.2 MB in the beginning and 171.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1022.99 ms. Allocated memory was 206.0 MB in the beginning and 235.4 MB in the end (delta: 29.4 MB). Free memory was 171.3 MB in the beginning and 197.3 MB in the end (delta: -26.1 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 36378.00 ms. Allocated memory was 235.4 MB in the beginning and 743.4 MB in the end (delta: 508.0 MB). Free memory was 195.7 MB in the beginning and 599.5 MB in the end (delta: -403.8 MB). Peak memory consumption was 613.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 504]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || methaneLevelCritical == 0) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 315 SDtfs, 759 SDslu, 445 SDs, 0 SdLazy, 1755 SolverSat, 581 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=337occurred 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, 212 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 527 PreInvPairs, 702 NumberOfFragments, 885 HoareAnnotationTreeSize, 527 FomulaSimplifications, 77714 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 56 FomulaSimplificationsInter, 15964 FormulaSimplificationTreeSizeReductionInter, 7.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 16.0s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 179 ConstructedInterpolants, 0 QuantifiedInterpolants, 59387 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...