/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 07:04:03,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 07:04:03,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 07:04:03,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 07:04:03,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 07:04:03,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 07:04:03,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 07:04:03,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 07:04:03,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 07:04:03,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 07:04:03,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 07:04:03,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 07:04:03,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 07:04:03,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 07:04:03,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 07:04:03,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 07:04:03,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 07:04:03,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 07:04:03,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 07:04:03,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 07:04:03,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 07:04:03,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 07:04:03,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 07:04:03,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 07:04:03,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 07:04:03,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 07:04:03,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 07:04:03,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 07:04:03,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 07:04:03,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 07:04:03,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 07:04:03,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 07:04:03,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 07:04:03,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 07:04:03,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 07:04:03,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 07:04:03,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 07:04:03,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 07:04:03,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 07:04:03,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 07:04:03,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 07:04:03,892 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 [2020-10-14 07:04:03,916 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 07:04:03,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 07:04:03,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 07:04:03,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 07:04:03,918 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 07:04:03,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 07:04:03,918 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 07:04:03,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 07:04:03,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 07:04:03,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 07:04:03,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 07:04:03,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 07:04:03,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 07:04:03,919 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 07:04:03,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 07:04:03,920 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 07:04:03,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 07:04:03,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 07:04:03,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 07:04:03,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 07:04:03,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 07:04:03,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:04:03,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 07:04:03,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 07:04:03,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 07:04:03,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 07:04:03,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 07:04:03,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 07:04:03,922 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 07:04:03,922 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 07:04:04,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 07:04:04,236 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 07:04:04,240 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 07:04:04,242 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 07:04:04,242 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 07:04:04,243 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product23.cil.c [2020-10-14 07:04:04,305 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/85207967e/9f4946d155d345c8a29ba7b722a97df9/FLAG4250dcf5c [2020-10-14 07:04:04,784 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 07:04:04,785 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product23.cil.c [2020-10-14 07:04:04,809 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/85207967e/9f4946d155d345c8a29ba7b722a97df9/FLAG4250dcf5c [2020-10-14 07:04:05,139 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/85207967e/9f4946d155d345c8a29ba7b722a97df9 [2020-10-14 07:04:05,147 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 07:04:05,149 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 07:04:05,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 07:04:05,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 07:04:05,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 07:04:05,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:04:05" (1/1) ... [2020-10-14 07:04:05,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d5ae353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:05, skipping insertion in model container [2020-10-14 07:04:05,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:04:05" (1/1) ... [2020-10-14 07:04:05,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 07:04:05,233 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 07:04:05,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:04:05,731 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 07:04:05,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:04:05,843 INFO L208 MainTranslator]: Completed translation [2020-10-14 07:04:05,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:05 WrapperNode [2020-10-14 07:04:05,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 07:04:05,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 07:04:05,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 07:04:05,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 07:04:05,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:05" (1/1) ... [2020-10-14 07:04:05,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:05" (1/1) ... [2020-10-14 07:04:05,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:05" (1/1) ... [2020-10-14 07:04:05,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:05" (1/1) ... [2020-10-14 07:04:05,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:05" (1/1) ... [2020-10-14 07:04:05,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:05" (1/1) ... [2020-10-14 07:04:05,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:05" (1/1) ... [2020-10-14 07:04:05,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 07:04:05,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 07:04:05,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 07:04:05,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 07:04:05,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:05" (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 [2020-10-14 07:04:06,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 07:04:06,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 07:04:06,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 07:04:06,012 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-14 07:04:06,012 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-14 07:04:06,013 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-14 07:04:06,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-14 07:04:06,014 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-14 07:04:06,015 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-14 07:04:06,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-14 07:04:06,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-14 07:04:06,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-14 07:04:06,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 07:04:06,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 07:04:06,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 07:04:06,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 07:04:06,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 07:04:06,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 07:04:06,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 07:04:06,017 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 07:04:06,017 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 07:04:06,017 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-14 07:04:06,017 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-14 07:04:06,018 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-14 07:04:06,018 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-14 07:04:06,018 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-14 07:04:06,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-14 07:04:06,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-14 07:04:06,019 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-14 07:04:06,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-14 07:04:06,019 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-14 07:04:06,019 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 07:04:06,020 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 07:04:06,020 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 07:04:06,020 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 07:04:06,020 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 07:04:06,020 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 07:04:06,022 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 07:04:06,022 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 07:04:06,022 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 07:04:06,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 07:04:06,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 07:04:06,023 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 07:04:06,023 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-14 07:04:06,024 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-14 07:04:06,025 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-14 07:04:06,025 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-14 07:04:06,025 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-14 07:04:06,025 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-14 07:04:06,025 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-14 07:04:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 07:04:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 07:04:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-14 07:04:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-14 07:04:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-14 07:04:06,026 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 07:04:06,027 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 07:04:06,027 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 07:04:06,027 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 07:04:06,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 07:04:06,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 07:04:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 07:04:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 07:04:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 07:04:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 07:04:06,028 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 07:04:06,029 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 07:04:06,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 07:04:06,029 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 07:04:06,029 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 07:04:06,030 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 07:04:06,031 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-14 07:04:06,031 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 07:04:06,031 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 07:04:06,032 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 07:04:06,032 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-14 07:04:06,032 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-14 07:04:06,032 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-14 07:04:06,032 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-14 07:04:06,032 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-14 07:04:06,032 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-14 07:04:06,032 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-14 07:04:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-14 07:04:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 07:04:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 07:04:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 07:04:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 07:04:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 07:04:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 07:04:06,034 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 07:04:06,034 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 07:04:06,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 07:04:06,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 07:04:06,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 07:04:07,063 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 07:04:07,063 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-14 07:04:07,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:04:07 BoogieIcfgContainer [2020-10-14 07:04:07,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 07:04:07,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 07:04:07,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 07:04:07,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 07:04:07,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:04:05" (1/3) ... [2020-10-14 07:04:07,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2950a397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:04:07, skipping insertion in model container [2020-10-14 07:04:07,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:04:05" (2/3) ... [2020-10-14 07:04:07,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2950a397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:04:07, skipping insertion in model container [2020-10-14 07:04:07,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:04:07" (3/3) ... [2020-10-14 07:04:07,077 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product23.cil.c [2020-10-14 07:04:07,087 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 07:04:07,095 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 07:04:07,109 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 07:04:07,135 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 07:04:07,135 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 07:04:07,135 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 07:04:07,135 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 07:04:07,136 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 07:04:07,136 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 07:04:07,136 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 07:04:07,136 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 07:04:07,160 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-10-14 07:04:07,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-14 07:04:07,170 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:04:07,171 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] [2020-10-14 07:04:07,172 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:04:07,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:04:07,179 INFO L82 PathProgramCache]: Analyzing trace with hash 2113411810, now seen corresponding path program 1 times [2020-10-14 07:04:07,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:04:07,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [544554972] [2020-10-14 07:04:07,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:04:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:07,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:07,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:08,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:08,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:09,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:12,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:12,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 07:04:12,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:04:12,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 07:04:12,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:12,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:12,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:12,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-14 07:04:12,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:12,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-10-14 07:04:12,894 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:04:12,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:04:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:12,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:12,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:12,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:04:12,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:12,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 07:04:12,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:12,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:12,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:12,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:12,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:12,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:12,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:04:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:12,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:12,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:12,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:04:12,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:12,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:04:12,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:12,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:12,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:12,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:12,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:12,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:12,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:04:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:12,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:12,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:12,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:04:12,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:12,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:04:12,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:12,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:12,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:12,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:12,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:12,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:12,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:04:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:12,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:12,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:12,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:04:12,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:12,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:04:12,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:12,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:12,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:12,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:12,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:12,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:12,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:04:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:12,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:12,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:12,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:04:12,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:12,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:04:12,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:12,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:12,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:12,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:12,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:12,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:13,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:04:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:13,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:13,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:13,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:04:13,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:13,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:04:13,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:13,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:13,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:13,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:13,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:13,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:13,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 07:04:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:13,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:13,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:13,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:04:13,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:13,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:04:13,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:13,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:13,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:13,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:04:13,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:13,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:13,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 07:04:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:13,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:13,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:13,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:04:13,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:13,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:04:13,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:13,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:13,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:13,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:04:13,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:13,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:13,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:04:13,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [544554972] [2020-10-14 07:04:13,039 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:04:13,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 07:04:13,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976052174] [2020-10-14 07:04:13,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 07:04:13,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:04:13,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 07:04:13,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-14 07:04:13,066 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 4 states. [2020-10-14 07:04:14,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:04:14,445 INFO L93 Difference]: Finished difference Result 293 states and 388 transitions. [2020-10-14 07:04:14,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 07:04:14,447 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-10-14 07:04:14,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:04:14,462 INFO L225 Difference]: With dead ends: 293 [2020-10-14 07:04:14,463 INFO L226 Difference]: Without dead ends: 164 [2020-10-14 07:04:14,468 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-14 07:04:14,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-10-14 07:04:14,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 130. [2020-10-14 07:04:14,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-10-14 07:04:14,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 155 transitions. [2020-10-14 07:04:14,601 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 155 transitions. Word has length 51 [2020-10-14 07:04:14,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:04:14,602 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 155 transitions. [2020-10-14 07:04:14,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 07:04:14,602 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 155 transitions. [2020-10-14 07:04:14,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-14 07:04:14,617 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:04:14,617 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:04:14,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 07:04:14,618 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:04:14,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:04:14,618 INFO L82 PathProgramCache]: Analyzing trace with hash 689903490, now seen corresponding path program 1 times [2020-10-14 07:04:14,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:04:14,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1416341874] [2020-10-14 07:04:14,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:04:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:14,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:14,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:15,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:16,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:16,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:18,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:19,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:19,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 07:04:19,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:04:19,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 07:04:19,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:19,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:19,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:04:19,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-14 07:04:19,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:04:19,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:04:19,994 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:04:19,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:04:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:20,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:20,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:20,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:04:20,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:20,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 07:04:20,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:20,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:20,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:20,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:20,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:20,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:20,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:04:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:20,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:20,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:20,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:04:20,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:20,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:04:20,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:20,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:20,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:20,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:20,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:20,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:20,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:04:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:20,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:20,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:20,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:04:20,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:20,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:04:20,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:20,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:20,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:20,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:20,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:20,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:20,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:04:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:20,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:20,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:20,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:04:20,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:20,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:04:20,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:20,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:20,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:20,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:20,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:20,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:20,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:04:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:20,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:20,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:20,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:04:20,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:20,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:04:20,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:20,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:20,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:20,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:20,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:20,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:20,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:04:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:20,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:20,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:20,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:04:20,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:20,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:04:20,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:20,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:20,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:20,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:20,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:20,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:20,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:04:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:20,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:20,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:20,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:04:20,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:20,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:04:20,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:20,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:20,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:20,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:04:20,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:20,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:20,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 07:04:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:20,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:20,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:20,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:04:20,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:20,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:04:20,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:20,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:20,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:20,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:04:20,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:20,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:20,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:04:20,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1416341874] [2020-10-14 07:04:20,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:04:20,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 07:04:20,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428857721] [2020-10-14 07:04:20,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 07:04:20,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:04:20,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 07:04:20,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:04:20,172 INFO L87 Difference]: Start difference. First operand 130 states and 155 transitions. Second operand 5 states. [2020-10-14 07:04:20,876 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:04:21,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:04:21,785 INFO L93 Difference]: Finished difference Result 232 states and 291 transitions. [2020-10-14 07:04:21,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 07:04:21,786 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-14 07:04:21,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:04:21,788 INFO L225 Difference]: With dead ends: 232 [2020-10-14 07:04:21,789 INFO L226 Difference]: Without dead ends: 154 [2020-10-14 07:04:21,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:04:21,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-10-14 07:04:21,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 121. [2020-10-14 07:04:21,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-10-14 07:04:21,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 143 transitions. [2020-10-14 07:04:21,842 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 143 transitions. Word has length 52 [2020-10-14 07:04:21,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:04:21,842 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 143 transitions. [2020-10-14 07:04:21,842 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 07:04:21,842 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 143 transitions. [2020-10-14 07:04:21,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-14 07:04:21,844 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:04:21,845 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] [2020-10-14 07:04:21,845 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 07:04:21,845 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:04:21,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:04:21,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1868242676, now seen corresponding path program 1 times [2020-10-14 07:04:21,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:04:21,846 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1391021289] [2020-10-14 07:04:21,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:04:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:21,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:22,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:22,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:22,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:23,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:26,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:26,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 07:04:26,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:04:26,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 07:04:26,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:26,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:26,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:04:26,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-14 07:04:26,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 07:04:26,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:27,188 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:04:27,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:04:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:27,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:27,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:27,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:04:27,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:27,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 07:04:27,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:27,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:27,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:27,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:27,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:27,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:04:27,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:04:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:27,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:27,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:27,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:04:27,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:27,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:04:27,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:27,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:27,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:27,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:27,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:27,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:04:27,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:04:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:27,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:27,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:27,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:04:27,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:27,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:04:27,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:27,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:27,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:27,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:27,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:27,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:27,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:04:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:27,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:27,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:27,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:04:27,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:27,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:04:27,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:27,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:27,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:27,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:27,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:27,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:04:27,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:04:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:27,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:27,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:27,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:04:27,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:27,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:04:27,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:27,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:27,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:27,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:27,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:27,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:04:27,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:04:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:27,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:27,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:27,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:04:27,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:27,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:04:27,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:27,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:27,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:04:27,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:27,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:04:27,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:04:27,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 07:04:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:27,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:27,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:27,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:04:27,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:27,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:04:27,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:27,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:27,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:04:27,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:27,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:04:27,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:04:27,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 07:04:27,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:04:27,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:04:27,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:04:27,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:04:27,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:04:27,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:04:27,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:04:27,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:04:27,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:04:27,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:04:27,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:04:27,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:04:27,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:04:27,290 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1391021289] [2020-10-14 07:04:27,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:04:27,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 07:04:27,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321732923] [2020-10-14 07:04:27,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 07:04:27,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:04:27,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 07:04:27,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:04:27,292 INFO L87 Difference]: Start difference. First operand 121 states and 143 transitions. Second operand 8 states. [2020-10-14 07:04:27,689 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:04:28,574 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:04:28,837 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:04:29,127 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:04:29,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:04:29,276 INFO L93 Difference]: Finished difference Result 202 states and 261 transitions. [2020-10-14 07:04:29,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 07:04:29,283 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2020-10-14 07:04:29,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:04:29,284 INFO L225 Difference]: With dead ends: 202 [2020-10-14 07:04:29,284 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 07:04:29,287 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-14 07:04:29,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 07:04:29,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 07:04:29,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 07:04:29,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 07:04:29,288 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-10-14 07:04:29,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:04:29,288 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 07:04:29,288 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 07:04:29,288 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 07:04:29,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 07:04:29,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 07:04:29,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 07:04:30,903 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 7 [2020-10-14 07:04:31,047 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-14 07:04:31,164 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 7 [2020-10-14 07:04:31,322 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-14 07:04:31,468 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 7 [2020-10-14 07:04:31,624 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-14 07:04:31,764 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-14 07:04:31,988 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:04:32,155 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 7 [2020-10-14 07:04:32,308 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 14 [2020-10-14 07:04:32,474 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 14 [2020-10-14 07:04:32,621 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-14 07:04:32,762 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-14 07:04:32,927 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-14 07:04:33,081 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-14 07:04:33,242 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-14 07:04:33,414 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-14 07:04:33,559 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-14 07:04:33,726 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-14 07:04:33,931 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-14 07:04:34,082 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 14 [2020-10-14 07:04:34,241 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 11 [2020-10-14 07:04:34,383 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-14 07:04:34,388 INFO L268 CegarLoopResult]: For program point L255(line 255) no Hoare annotation was computed. [2020-10-14 07:04:34,388 INFO L268 CegarLoopResult]: For program point L254-2(lines 254 275) no Hoare annotation was computed. [2020-10-14 07:04:34,388 INFO L268 CegarLoopResult]: For program point L276(lines 253 277) no Hoare annotation was computed. [2020-10-14 07:04:34,388 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 229 284) no Hoare annotation was computed. [2020-10-14 07:04:34,389 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 229 284) no Hoare annotation was computed. [2020-10-14 07:04:34,389 INFO L268 CegarLoopResult]: For program point L260(lines 260 264) no Hoare annotation was computed. [2020-10-14 07:04:34,389 INFO L268 CegarLoopResult]: For program point L260-1(lines 260 264) no Hoare annotation was computed. [2020-10-14 07:04:34,389 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 229 284) no Hoare annotation was computed. [2020-10-14 07:04:34,390 INFO L268 CegarLoopResult]: For program point L317(lines 317 321) no Hoare annotation was computed. [2020-10-14 07:04:34,390 INFO L268 CegarLoopResult]: For program point L317-1(lines 317 321) no Hoare annotation was computed. [2020-10-14 07:04:34,390 INFO L268 CegarLoopResult]: For program point L312(line 312) no Hoare annotation was computed. [2020-10-14 07:04:34,390 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 285 344) no Hoare annotation was computed. [2020-10-14 07:04:34,390 INFO L268 CegarLoopResult]: For program point L311-2(lines 311 336) no Hoare annotation was computed. [2020-10-14 07:04:34,390 INFO L268 CegarLoopResult]: For program point L337(lines 310 338) no Hoare annotation was computed. [2020-10-14 07:04:34,390 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 285 344) no Hoare annotation was computed. [2020-10-14 07:04:34,391 INFO L268 CegarLoopResult]: For program point L330(line 330) no Hoare annotation was computed. [2020-10-14 07:04:34,391 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 285 344) no Hoare annotation was computed. [2020-10-14 07:04:34,391 INFO L268 CegarLoopResult]: For program point L330-1(line 330) no Hoare annotation was computed. [2020-10-14 07:04:34,391 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 839 845) the Hoare annotation is: true [2020-10-14 07:04:34,391 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 839 845) no Hoare annotation was computed. [2020-10-14 07:04:34,391 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 846 854) no Hoare annotation was computed. [2020-10-14 07:04:34,391 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 846 854) the Hoare annotation is: true [2020-10-14 07:04:34,392 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 846 854) no Hoare annotation was computed. [2020-10-14 07:04:34,392 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 929 951) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:04:34,392 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 929 951) no Hoare annotation was computed. [2020-10-14 07:04:34,392 INFO L264 CegarLoopResult]: At program point L941(line 941) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:04:34,392 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 929 951) no Hoare annotation was computed. [2020-10-14 07:04:34,393 INFO L264 CegarLoopResult]: At program point L941-1(line 941) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:04:34,393 INFO L268 CegarLoopResult]: For program point L939(lines 939 946) no Hoare annotation was computed. [2020-10-14 07:04:34,393 INFO L268 CegarLoopResult]: For program point L939-1(lines 939 946) no Hoare annotation was computed. [2020-10-14 07:04:34,393 INFO L268 CegarLoopResult]: For program point L937(line 937) no Hoare annotation was computed. [2020-10-14 07:04:34,393 INFO L264 CegarLoopResult]: At program point L936(line 936) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:04:34,393 INFO L264 CegarLoopResult]: At program point L935(line 935) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:04:34,394 INFO L264 CegarLoopResult]: At program point L935-1(line 935) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:04:34,394 INFO L268 CegarLoopResult]: For program point L897(line 897) no Hoare annotation was computed. [2020-10-14 07:04:34,394 INFO L268 CegarLoopResult]: For program point L896(line 896) no Hoare annotation was computed. [2020-10-14 07:04:34,394 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 887 910) no Hoare annotation was computed. [2020-10-14 07:04:34,394 INFO L268 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-10-14 07:04:34,394 INFO L268 CegarLoopResult]: For program point L894(line 894) no Hoare annotation was computed. [2020-10-14 07:04:34,394 INFO L268 CegarLoopResult]: For program point L893(line 893) no Hoare annotation was computed. [2020-10-14 07:04:34,395 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 887 910) no Hoare annotation was computed. [2020-10-14 07:04:34,395 INFO L268 CegarLoopResult]: For program point L892(line 892) no Hoare annotation was computed. [2020-10-14 07:04:34,395 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 887 910) no Hoare annotation was computed. [2020-10-14 07:04:34,395 INFO L268 CegarLoopResult]: For program point L905(line 905) no Hoare annotation was computed. [2020-10-14 07:04:34,395 INFO L268 CegarLoopResult]: For program point L904(line 904) no Hoare annotation was computed. [2020-10-14 07:04:34,395 INFO L268 CegarLoopResult]: For program point L903(line 903) no Hoare annotation was computed. [2020-10-14 07:04:34,395 INFO L268 CegarLoopResult]: For program point L902(line 902) no Hoare annotation was computed. [2020-10-14 07:04:34,396 INFO L268 CegarLoopResult]: For program point L901(line 901) no Hoare annotation was computed. [2020-10-14 07:04:34,396 INFO L268 CegarLoopResult]: For program point L900(line 900) no Hoare annotation was computed. [2020-10-14 07:04:34,396 INFO L268 CegarLoopResult]: For program point L899(line 899) no Hoare annotation was computed. [2020-10-14 07:04:34,396 INFO L268 CegarLoopResult]: For program point L898(line 898) no Hoare annotation was computed. [2020-10-14 07:04:34,396 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 802 816) no Hoare annotation was computed. [2020-10-14 07:04:34,396 INFO L264 CegarLoopResult]: At program point L808(line 808) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-14 07:04:34,396 INFO L268 CegarLoopResult]: For program point L806(lines 806 812) no Hoare annotation was computed. [2020-10-14 07:04:34,397 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 802 816) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-14 07:04:34,397 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 802 816) no Hoare annotation was computed. [2020-10-14 07:04:34,397 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 738 746) no Hoare annotation was computed. [2020-10-14 07:04:34,397 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 738 746) the Hoare annotation is: true [2020-10-14 07:04:34,397 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 738 746) no Hoare annotation was computed. [2020-10-14 07:04:34,397 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 783 801) the Hoare annotation is: true [2020-10-14 07:04:34,397 INFO L268 CegarLoopResult]: For program point L792(lines 792 796) no Hoare annotation was computed. [2020-10-14 07:04:34,397 INFO L271 CegarLoopResult]: At program point L790(line 790) the Hoare annotation is: true [2020-10-14 07:04:34,397 INFO L268 CegarLoopResult]: For program point L792-2(lines 792 796) no Hoare annotation was computed. [2020-10-14 07:04:34,397 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 783 801) no Hoare annotation was computed. [2020-10-14 07:04:34,397 INFO L268 CegarLoopResult]: For program point L790-1(line 790) no Hoare annotation was computed. [2020-10-14 07:04:34,398 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 783 801) no Hoare annotation was computed. [2020-10-14 07:04:34,398 INFO L268 CegarLoopResult]: For program point L766(lines 766 774) no Hoare annotation was computed. [2020-10-14 07:04:34,398 INFO L268 CegarLoopResult]: For program point L766-2(lines 766 774) no Hoare annotation was computed. [2020-10-14 07:04:34,398 INFO L268 CegarLoopResult]: For program point L754(lines 754 762) no Hoare annotation was computed. [2020-10-14 07:04:34,398 INFO L268 CegarLoopResult]: For program point L754-2(lines 754 762) no Hoare annotation was computed. [2020-10-14 07:04:34,398 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 747 782) no Hoare annotation was computed. [2020-10-14 07:04:34,398 INFO L268 CegarLoopResult]: For program point L777(line 777) no Hoare annotation was computed. [2020-10-14 07:04:34,398 INFO L268 CegarLoopResult]: For program point L777-1(line 777) no Hoare annotation was computed. [2020-10-14 07:04:34,398 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 747 782) no Hoare annotation was computed. [2020-10-14 07:04:34,398 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 747 782) no Hoare annotation was computed. [2020-10-14 07:04:34,398 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 832 838) no Hoare annotation was computed. [2020-10-14 07:04:34,398 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 832 838) the Hoare annotation is: true [2020-10-14 07:04:34,398 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 183 228) no Hoare annotation was computed. [2020-10-14 07:04:34,399 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 183 228) no Hoare annotation was computed. [2020-10-14 07:04:34,399 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 183 228) no Hoare annotation was computed. [2020-10-14 07:04:34,399 INFO L268 CegarLoopResult]: For program point L510(lines 510 530) no Hoare annotation was computed. [2020-10-14 07:04:34,399 INFO L268 CegarLoopResult]: For program point L510-1(lines 510 530) no Hoare annotation was computed. [2020-10-14 07:04:34,399 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 496 541) no Hoare annotation was computed. [2020-10-14 07:04:34,399 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 496 541) no Hoare annotation was computed. [2020-10-14 07:04:34,399 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 496 541) no Hoare annotation was computed. [2020-10-14 07:04:34,399 INFO L268 CegarLoopResult]: For program point L516(lines 516 523) no Hoare annotation was computed. [2020-10-14 07:04:34,399 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 918 928) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:04:34,399 INFO L264 CegarLoopResult]: At program point L923(line 923) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-14 07:04:34,399 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 918 928) no Hoare annotation was computed. [2020-10-14 07:04:34,399 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 918 928) no Hoare annotation was computed. [2020-10-14 07:04:34,400 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 727 737) the Hoare annotation is: true [2020-10-14 07:04:34,400 INFO L271 CegarLoopResult]: At program point L732(line 732) the Hoare annotation is: true [2020-10-14 07:04:34,400 INFO L268 CegarLoopResult]: For program point L732-1(line 732) no Hoare annotation was computed. [2020-10-14 07:04:34,400 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 727 737) no Hoare annotation was computed. [2020-10-14 07:04:34,400 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 727 737) no Hoare annotation was computed. [2020-10-14 07:04:34,400 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 719 726) the Hoare annotation is: true [2020-10-14 07:04:34,400 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 719 726) no Hoare annotation was computed. [2020-10-14 07:04:34,400 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 719 726) no Hoare annotation was computed. [2020-10-14 07:04:34,400 INFO L264 CegarLoopResult]: At program point L705(line 705) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:04:34,401 INFO L268 CegarLoopResult]: For program point L705-1(lines 686 710) no Hoare annotation was computed. [2020-10-14 07:04:34,401 INFO L264 CegarLoopResult]: At program point L700(line 700) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-14 07:04:34,401 INFO L264 CegarLoopResult]: At program point L696(line 696) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-14 07:04:34,401 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 686 710) no Hoare annotation was computed. [2020-10-14 07:04:34,401 INFO L268 CegarLoopResult]: For program point L694(lines 694 702) no Hoare annotation was computed. [2020-10-14 07:04:34,401 INFO L264 CegarLoopResult]: At program point L692(line 692) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-14 07:04:34,401 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 686 710) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:04:34,401 INFO L268 CegarLoopResult]: For program point L692-1(line 692) no Hoare annotation was computed. [2020-10-14 07:04:34,401 INFO L268 CegarLoopResult]: For program point L690(lines 690 707) no Hoare annotation was computed. [2020-10-14 07:04:34,401 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 652 658) no Hoare annotation was computed. [2020-10-14 07:04:34,402 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 652 658) the Hoare annotation is: true [2020-10-14 07:04:34,402 INFO L264 CegarLoopResult]: At program point testENTRY(lines 555 620) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:04:34,402 INFO L264 CegarLoopResult]: At program point L603(line 603) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-14 07:04:34,402 INFO L268 CegarLoopResult]: For program point L601(lines 601 607) no Hoare annotation was computed. [2020-10-14 07:04:34,402 INFO L264 CegarLoopResult]: At program point L601-1(lines 595 608) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-14 07:04:34,402 INFO L268 CegarLoopResult]: For program point testFINAL(lines 555 620) no Hoare annotation was computed. [2020-10-14 07:04:34,402 INFO L268 CegarLoopResult]: For program point L566(lines 565 612) no Hoare annotation was computed. [2020-10-14 07:04:34,402 INFO L268 CegarLoopResult]: For program point L595(lines 595 608) no Hoare annotation was computed. [2020-10-14 07:04:34,402 INFO L264 CegarLoopResult]: At program point L587(line 587) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-14 07:04:34,403 INFO L268 CegarLoopResult]: For program point L585(lines 585 591) no Hoare annotation was computed. [2020-10-14 07:04:34,403 INFO L268 CegarLoopResult]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2020-10-14 07:04:34,403 INFO L264 CegarLoopResult]: At program point L610(lines 565 612) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-14 07:04:34,403 INFO L264 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-14 07:04:34,403 INFO L268 CegarLoopResult]: For program point L575(lines 575 581) no Hoare annotation was computed. [2020-10-14 07:04:34,403 INFO L268 CegarLoopResult]: For program point L575-1(lines 575 581) no Hoare annotation was computed. [2020-10-14 07:04:34,403 INFO L268 CegarLoopResult]: For program point L567(lines 567 571) no Hoare annotation was computed. [2020-10-14 07:04:34,403 INFO L264 CegarLoopResult]: At program point L613(lines 564 614) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-14 07:04:34,403 INFO L268 CegarLoopResult]: For program point testEXIT(lines 555 620) no Hoare annotation was computed. [2020-10-14 07:04:34,403 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 450 495) no Hoare annotation was computed. [2020-10-14 07:04:34,403 INFO L268 CegarLoopResult]: For program point L470(lines 470 477) no Hoare annotation was computed. [2020-10-14 07:04:34,403 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 450 495) no Hoare annotation was computed. [2020-10-14 07:04:34,404 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 450 495) no Hoare annotation was computed. [2020-10-14 07:04:34,404 INFO L268 CegarLoopResult]: For program point L464(lines 464 484) no Hoare annotation was computed. [2020-10-14 07:04:34,404 INFO L268 CegarLoopResult]: For program point L464-1(lines 464 484) no Hoare annotation was computed. [2020-10-14 07:04:34,404 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2020-10-14 07:04:34,404 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2020-10-14 07:04:34,404 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2020-10-14 07:04:34,404 INFO L268 CegarLoopResult]: For program point L160(lines 160 166) no Hoare annotation was computed. [2020-10-14 07:04:34,404 INFO L268 CegarLoopResult]: For program point L159(lines 159 169) no Hoare annotation was computed. [2020-10-14 07:04:34,404 INFO L264 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-14 07:04:34,404 INFO L268 CegarLoopResult]: For program point L157-1(line 157) no Hoare annotation was computed. [2020-10-14 07:04:34,404 INFO L268 CegarLoopResult]: For program point L155(lines 155 172) no Hoare annotation was computed. [2020-10-14 07:04:34,404 INFO L268 CegarLoopResult]: For program point L155-1(lines 147 175) no Hoare annotation was computed. [2020-10-14 07:04:34,404 INFO L264 CegarLoopResult]: At program point L153(line 153) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-14 07:04:34,405 INFO L268 CegarLoopResult]: For program point L153-1(line 153) no Hoare annotation was computed. [2020-10-14 07:04:34,405 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 147 175) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-14 07:04:34,405 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 147 175) no Hoare annotation was computed. [2020-10-14 07:04:34,405 INFO L264 CegarLoopResult]: At program point L162(line 162) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-14 07:04:34,405 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-10-14 07:04:34,405 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-10-14 07:04:34,405 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-10-14 07:04:34,405 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-10-14 07:04:34,405 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-10-14 07:04:34,406 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 139 146) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-14 07:04:34,406 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 139 146) no Hoare annotation was computed. [2020-10-14 07:04:34,406 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 139 146) no Hoare annotation was computed. [2020-10-14 07:04:34,406 INFO L268 CegarLoopResult]: For program point L417(lines 395 418) no Hoare annotation was computed. [2020-10-14 07:04:34,406 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 347 449) no Hoare annotation was computed. [2020-10-14 07:04:34,406 INFO L268 CegarLoopResult]: For program point L376(lines 376 392) no Hoare annotation was computed. [2020-10-14 07:04:34,406 INFO L268 CegarLoopResult]: For program point L436(lines 436 443) no Hoare annotation was computed. [2020-10-14 07:04:34,406 INFO L268 CegarLoopResult]: For program point L397(lines 396 416) no Hoare annotation was computed. [2020-10-14 07:04:34,407 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-10-14 07:04:34,407 INFO L268 CegarLoopResult]: For program point L428-1(line 428) no Hoare annotation was computed. [2020-10-14 07:04:34,407 INFO L268 CegarLoopResult]: For program point L393(lines 393 434) no Hoare annotation was computed. [2020-10-14 07:04:34,407 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 347 449) no Hoare annotation was computed. [2020-10-14 07:04:34,407 INFO L268 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-14 07:04:34,407 INFO L268 CegarLoopResult]: For program point L412-1(line 412) no Hoare annotation was computed. [2020-10-14 07:04:34,407 INFO L268 CegarLoopResult]: For program point L371(lines 371 375) no Hoare annotation was computed. [2020-10-14 07:04:34,407 INFO L268 CegarLoopResult]: For program point L435(lines 435 446) no Hoare annotation was computed. [2020-10-14 07:04:34,407 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 347 449) no Hoare annotation was computed. [2020-10-14 07:04:34,408 INFO L268 CegarLoopResult]: For program point L398(lines 398 402) no Hoare annotation was computed. [2020-10-14 07:04:34,408 INFO L268 CegarLoopResult]: For program point L396-2(lines 396 416) no Hoare annotation was computed. [2020-10-14 07:04:34,408 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 822 831) no Hoare annotation was computed. [2020-10-14 07:04:34,408 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 822 831) no Hoare annotation was computed. [2020-10-14 07:04:34,408 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 822 831) no Hoare annotation was computed. [2020-10-14 07:04:34,408 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:04:34,409 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)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-10-14 07:04:34,409 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:04:34,409 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 711 718) no Hoare annotation was computed. [2020-10-14 07:04:34,409 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 711 718) no Hoare annotation was computed. [2020-10-14 07:04:34,409 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 711 718) no Hoare annotation was computed. [2020-10-14 07:04:34,409 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2020-10-14 07:04:34,409 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-10-14 07:04:34,410 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-10-14 07:04:34,410 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-10-14 07:04:34,410 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-14 07:04:34,410 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-10-14 07:04:34,410 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:04:34,410 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-14 07:04:34,410 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:04:34,411 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-10-14 07:04:34,411 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-10-14 07:04:34,411 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-10-14 07:04:34,411 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:04:34,411 INFO L264 CegarLoopResult]: At program point L639(lines 639 645) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:04:34,411 INFO L264 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-14 07:04:34,411 INFO L268 CegarLoopResult]: For program point L632(lines 631 650) no Hoare annotation was computed. [2020-10-14 07:04:34,412 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 628 651) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:04:34,412 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 628 651) no Hoare annotation was computed. [2020-10-14 07:04:34,412 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 628 651) no Hoare annotation was computed. [2020-10-14 07:04:34,412 INFO L271 CegarLoopResult]: At program point L867-2(lines 867 881) the Hoare annotation is: true [2020-10-14 07:04:34,412 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 857 886) no Hoare annotation was computed. [2020-10-14 07:04:34,412 INFO L271 CegarLoopResult]: At program point L863(line 863) the Hoare annotation is: true [2020-10-14 07:04:34,412 INFO L268 CegarLoopResult]: For program point L863-1(line 863) no Hoare annotation was computed. [2020-10-14 07:04:34,413 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 857 886) the Hoare annotation is: true [2020-10-14 07:04:34,413 INFO L271 CegarLoopResult]: At program point L882(lines 857 886) the Hoare annotation is: true [2020-10-14 07:04:34,413 INFO L268 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-10-14 07:04:34,413 INFO L268 CegarLoopResult]: For program point L871(lines 871 875) no Hoare annotation was computed. [2020-10-14 07:04:34,413 INFO L271 CegarLoopResult]: At program point L871-1(lines 871 875) the Hoare annotation is: true [2020-10-14 07:04:34,413 INFO L268 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2020-10-14 07:04:34,413 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-10-14 07:04:34,413 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-10-14 07:04:34,414 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-10-14 07:04:34,414 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 911 917) no Hoare annotation was computed. [2020-10-14 07:04:34,414 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 911 917) the Hoare annotation is: true [2020-10-14 07:04:34,414 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:04:34,414 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~pumpRunning~0 0) [2020-10-14 07:04:34,414 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 07:04:34,414 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:04:34,415 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-10-14 07:04:34,415 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-10-14 07:04:34,415 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-14 07:04:34,415 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 543 550) no Hoare annotation was computed. [2020-10-14 07:04:34,415 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 547) no Hoare annotation was computed. [2020-10-14 07:04:34,415 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 543 550) the Hoare annotation is: true [2020-10-14 07:04:34,416 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 543 550) no Hoare annotation was computed. [2020-10-14 07:04:34,416 INFO L264 CegarLoopResult]: At program point L670(line 670) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-14 07:04:34,416 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 660 684) no Hoare annotation was computed. [2020-10-14 07:04:34,416 INFO L268 CegarLoopResult]: For program point L668(lines 668 676) no Hoare annotation was computed. [2020-10-14 07:04:34,416 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 660 684) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:04:34,416 INFO L264 CegarLoopResult]: At program point L666(line 666) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-14 07:04:34,416 INFO L268 CegarLoopResult]: For program point L666-1(line 666) no Hoare annotation was computed. [2020-10-14 07:04:34,416 INFO L268 CegarLoopResult]: For program point L664(lines 664 681) no Hoare annotation was computed. [2020-10-14 07:04:34,417 INFO L264 CegarLoopResult]: At program point L679(line 679) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:04:34,417 INFO L268 CegarLoopResult]: For program point L679-1(lines 660 684) no Hoare annotation was computed. [2020-10-14 07:04:34,417 INFO L264 CegarLoopResult]: At program point L674(line 674) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-14 07:04:34,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:04:34 BoogieIcfgContainer [2020-10-14 07:04:34,434 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 07:04:34,436 INFO L168 Benchmark]: Toolchain (without parser) took 29286.86 ms. Allocated memory was 145.8 MB in the beginning and 724.6 MB in the end (delta: 578.8 MB). Free memory was 100.8 MB in the beginning and 500.6 MB in the end (delta: -399.8 MB). Peak memory consumption was 589.4 MB. Max. memory is 7.1 GB. [2020-10-14 07:04:34,437 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 07:04:34,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.56 ms. Allocated memory was 145.8 MB in the beginning and 201.9 MB in the end (delta: 56.1 MB). Free memory was 100.8 MB in the beginning and 167.8 MB in the end (delta: -67.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2020-10-14 07:04:34,439 INFO L168 Benchmark]: Boogie Preprocessor took 88.63 ms. Allocated memory is still 201.9 MB. Free memory was 167.8 MB in the beginning and 163.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-10-14 07:04:34,440 INFO L168 Benchmark]: RCFGBuilder took 1134.12 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 163.8 MB in the beginning and 193.2 MB in the end (delta: -29.4 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. [2020-10-14 07:04:34,440 INFO L168 Benchmark]: TraceAbstraction took 27363.68 ms. Allocated memory was 234.9 MB in the beginning and 724.6 MB in the end (delta: 489.7 MB). Free memory was 193.2 MB in the beginning and 500.6 MB in the end (delta: -307.4 MB). Peak memory consumption was 592.6 MB. Max. memory is 7.1 GB. [2020-10-14 07:04:34,444 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 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 695.56 ms. Allocated memory was 145.8 MB in the beginning and 201.9 MB in the end (delta: 56.1 MB). Free memory was 100.8 MB in the beginning and 167.8 MB in the end (delta: -67.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.63 ms. Allocated memory is still 201.9 MB. Free memory was 167.8 MB in the beginning and 163.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1134.12 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 163.8 MB in the beginning and 193.2 MB in the end (delta: -29.4 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27363.68 ms. Allocated memory was 234.9 MB in the beginning and 724.6 MB in the end (delta: 489.7 MB). Free memory was 193.2 MB in the beginning and 500.6 MB in the end (delta: -307.4 MB). Peak memory consumption was 592.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 547]: 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: 867]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 304 SDtfs, 350 SDslu, 188 SDs, 0 SdLazy, 674 SolverSat, 219 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=173occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 67 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 206 PreInvPairs, 226 NumberOfFragments, 624 HoareAnnotationTreeSize, 206 FomulaSimplifications, 6990 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 61 FomulaSimplificationsInter, 5343 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 16.4s InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 38868 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...