/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 17:38:28,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 17:38:28,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 17:38:28,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 17:38:28,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 17:38:28,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 17:38:28,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 17:38:28,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 17:38:28,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 17:38:28,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 17:38:28,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 17:38:28,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 17:38:28,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 17:38:28,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 17:38:28,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 17:38:28,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 17:38:28,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 17:38:28,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 17:38:28,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 17:38:28,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 17:38:28,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 17:38:28,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 17:38:28,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 17:38:28,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 17:38:28,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 17:38:28,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 17:38:28,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 17:38:28,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 17:38:28,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 17:38:28,901 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 17:38:28,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 17:38:28,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 17:38:28,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 17:38:28,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 17:38:28,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 17:38:28,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 17:38:28,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 17:38:28,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 17:38:28,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 17:38:28,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 17:38:28,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 17:38:28,908 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 [2020-08-18 17:38:28,931 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 17:38:28,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 17:38:28,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 17:38:28,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 17:38:28,933 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 17:38:28,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 17:38:28,933 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 17:38:28,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 17:38:28,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 17:38:28,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 17:38:28,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 17:38:28,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 17:38:28,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 17:38:28,934 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 17:38:28,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 17:38:28,935 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 17:38:28,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 17:38:28,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 17:38:28,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 17:38:28,936 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 17:38:28,936 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 17:38:28,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 17:38:28,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 17:38:28,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 17:38:28,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 17:38:28,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 17:38:28,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 17:38:28,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 17:38:28,937 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 17:38:28,938 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; [2020-08-18 17:38:29,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 17:38:29,232 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 17:38:29,236 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 17:38:29,237 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 17:38:29,237 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 17:38:29,238 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c [2020-08-18 17:38:29,297 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae5e83d07/c17b3db689c5491280187b16f9038853/FLAGb4493acfe [2020-08-18 17:38:29,790 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 17:38:29,791 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c [2020-08-18 17:38:29,802 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae5e83d07/c17b3db689c5491280187b16f9038853/FLAGb4493acfe [2020-08-18 17:38:30,144 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae5e83d07/c17b3db689c5491280187b16f9038853 [2020-08-18 17:38:30,155 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 17:38:30,156 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 17:38:30,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 17:38:30,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 17:38:30,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 17:38:30,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:38:30" (1/1) ... [2020-08-18 17:38:30,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c07bf98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:30, skipping insertion in model container [2020-08-18 17:38:30,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:38:30" (1/1) ... [2020-08-18 17:38:30,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 17:38:30,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 17:38:30,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:38:30,652 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 17:38:30,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:38:30,814 INFO L208 MainTranslator]: Completed translation [2020-08-18 17:38:30,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:30 WrapperNode [2020-08-18 17:38:30,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 17:38:30,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 17:38:30,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 17:38:30,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 17:38:30,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:30" (1/1) ... [2020-08-18 17:38:30,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:30" (1/1) ... [2020-08-18 17:38:30,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:30" (1/1) ... [2020-08-18 17:38:30,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:30" (1/1) ... [2020-08-18 17:38:30,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:30" (1/1) ... [2020-08-18 17:38:30,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:30" (1/1) ... [2020-08-18 17:38:30,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:30" (1/1) ... [2020-08-18 17:38:30,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 17:38:30,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 17:38:30,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 17:38:30,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 17:38:30,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:30" (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 [2020-08-18 17:38:30,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 17:38:30,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 17:38:30,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 17:38:30,992 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 17:38:30,992 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 17:38:30,993 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 17:38:30,993 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 17:38:30,993 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 17:38:30,994 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 17:38:30,994 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 17:38:30,995 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 17:38:30,995 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 17:38:30,995 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 17:38:30,995 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 17:38:30,995 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 17:38:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 17:38:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 17:38:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 17:38:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-18 17:38:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 17:38:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 17:38:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 17:38:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 17:38:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-18 17:38:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 17:38:30,998 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 17:38:30,998 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 17:38:30,999 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 17:38:30,999 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 17:38:30,999 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 17:38:30,999 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 17:38:30,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 17:38:31,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 17:38:31,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 17:38:31,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 17:38:31,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 17:38:31,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 17:38:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 17:38:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 17:38:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 17:38:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 17:38:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 17:38:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 17:38:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 17:38:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 17:38:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 17:38:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 17:38:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 17:38:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 17:38:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 17:38:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 17:38:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 17:38:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 17:38:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 17:38:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 17:38:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 17:38:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 17:38:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 17:38:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 17:38:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 17:38:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 17:38:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-18 17:38:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 17:38:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 17:38:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 17:38:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 17:38:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 17:38:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 17:38:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-18 17:38:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 17:38:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 17:38:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 17:38:31,008 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 17:38:31,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 17:38:31,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 17:38:31,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 17:38:31,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 17:38:31,010 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 17:38:31,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 17:38:31,010 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 17:38:31,010 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 17:38:31,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 17:38:31,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 17:38:31,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 17:38:31,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 17:38:31,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 17:38:31,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 17:38:31,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 17:38:32,003 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 17:38:32,003 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 17:38:32,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:38:32 BoogieIcfgContainer [2020-08-18 17:38:32,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 17:38:32,010 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 17:38:32,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 17:38:32,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 17:38:32,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 05:38:30" (1/3) ... [2020-08-18 17:38:32,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc735eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:38:32, skipping insertion in model container [2020-08-18 17:38:32,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:38:30" (2/3) ... [2020-08-18 17:38:32,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc735eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:38:32, skipping insertion in model container [2020-08-18 17:38:32,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:38:32" (3/3) ... [2020-08-18 17:38:32,018 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product15.cil.c [2020-08-18 17:38:32,030 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 17:38:32,038 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 17:38:32,054 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 17:38:32,080 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 17:38:32,081 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 17:38:32,081 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 17:38:32,081 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 17:38:32,081 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 17:38:32,082 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 17:38:32,082 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 17:38:32,082 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 17:38:32,105 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2020-08-18 17:38:32,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 17:38:32,115 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:38:32,116 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:38:32,117 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:38:32,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:38:32,123 INFO L82 PathProgramCache]: Analyzing trace with hash 178766383, now seen corresponding path program 1 times [2020-08-18 17:38:32,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:38:32,132 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [966768107] [2020-08-18 17:38:32,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:38:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:32,785 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:32,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:38:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:32,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:38:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:32,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:38:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:32,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:38:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:32,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:38:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:32,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 17:38:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:32,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 17:38:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:32,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:38:32,870 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [966768107] [2020-08-18 17:38:32,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:38:32,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 17:38:32,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78448434] [2020-08-18 17:38:32,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 17:38:32,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:38:32,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 17:38:32,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 17:38:32,897 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 3 states. [2020-08-18 17:38:34,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:38:34,003 INFO L93 Difference]: Finished difference Result 251 states and 336 transitions. [2020-08-18 17:38:34,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 17:38:34,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 17:38:34,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:38:34,019 INFO L225 Difference]: With dead ends: 251 [2020-08-18 17:38:34,019 INFO L226 Difference]: Without dead ends: 137 [2020-08-18 17:38:34,024 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 17:38:34,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-08-18 17:38:34,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 105. [2020-08-18 17:38:34,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-08-18 17:38:34,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 124 transitions. [2020-08-18 17:38:34,112 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 124 transitions. Word has length 46 [2020-08-18 17:38:34,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:38:34,113 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 124 transitions. [2020-08-18 17:38:34,113 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 17:38:34,113 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2020-08-18 17:38:34,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 17:38:34,120 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:38:34,120 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:38:34,122 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 17:38:34,122 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:38:34,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:38:34,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1214184321, now seen corresponding path program 1 times [2020-08-18 17:38:34,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:38:34,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1491381312] [2020-08-18 17:38:34,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:38:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:34,522 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:34,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:38:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:34,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:38:34,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:34,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:38:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:34,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:38:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:34,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:38:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:34,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 17:38:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:34,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 17:38:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:34,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:38:34,593 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1491381312] [2020-08-18 17:38:34,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:38:34,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 17:38:34,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496493734] [2020-08-18 17:38:34,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 17:38:34,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:38:34,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 17:38:34,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 17:38:34,597 INFO L87 Difference]: Start difference. First operand 105 states and 124 transitions. Second operand 4 states. [2020-08-18 17:38:35,037 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:38:35,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:38:35,778 INFO L93 Difference]: Finished difference Result 178 states and 219 transitions. [2020-08-18 17:38:35,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 17:38:35,779 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 17:38:35,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:38:35,781 INFO L225 Difference]: With dead ends: 178 [2020-08-18 17:38:35,782 INFO L226 Difference]: Without dead ends: 121 [2020-08-18 17:38:35,783 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 17:38:35,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-08-18 17:38:35,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 96. [2020-08-18 17:38:35,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-08-18 17:38:35,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 112 transitions. [2020-08-18 17:38:35,818 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 112 transitions. Word has length 47 [2020-08-18 17:38:35,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:38:35,819 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 112 transitions. [2020-08-18 17:38:35,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 17:38:35,819 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2020-08-18 17:38:35,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 17:38:35,821 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:38:35,821 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] [2020-08-18 17:38:35,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 17:38:35,822 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:38:35,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:38:35,822 INFO L82 PathProgramCache]: Analyzing trace with hash -75048457, now seen corresponding path program 1 times [2020-08-18 17:38:35,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:38:35,823 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [966609962] [2020-08-18 17:38:35,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:38:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:36,152 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:36,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:38:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:36,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:38:36,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:36,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:38:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:36,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:38:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:36,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:38:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:36,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 17:38:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:36,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 17:38:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:36,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:38:36,235 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [966609962] [2020-08-18 17:38:36,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:38:36,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 17:38:36,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607172067] [2020-08-18 17:38:36,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 17:38:36,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:38:36,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 17:38:36,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 17:38:36,237 INFO L87 Difference]: Start difference. First operand 96 states and 112 transitions. Second operand 8 states. [2020-08-18 17:38:36,633 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:38:36,943 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:37,186 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:37,454 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:38,190 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:38:39,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:38:39,502 INFO L93 Difference]: Finished difference Result 336 states and 422 transitions. [2020-08-18 17:38:39,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 17:38:39,506 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-18 17:38:39,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:38:39,510 INFO L225 Difference]: With dead ends: 336 [2020-08-18 17:38:39,510 INFO L226 Difference]: Without dead ends: 264 [2020-08-18 17:38:39,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-18 17:38:39,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-08-18 17:38:39,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 210. [2020-08-18 17:38:39,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-08-18 17:38:39,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 256 transitions. [2020-08-18 17:38:39,615 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 256 transitions. Word has length 51 [2020-08-18 17:38:39,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:38:39,615 INFO L479 AbstractCegarLoop]: Abstraction has 210 states and 256 transitions. [2020-08-18 17:38:39,615 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 17:38:39,615 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 256 transitions. [2020-08-18 17:38:39,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 17:38:39,618 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:38:39,618 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:38:39,619 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 17:38:39,619 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:38:39,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:38:39,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1167362893, now seen corresponding path program 1 times [2020-08-18 17:38:39,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:38:39,620 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [871772403] [2020-08-18 17:38:39,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:38:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:39,898 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:39,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:38:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:39,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:38:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:39,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:38:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:39,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:38:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:39,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:38:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:39,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 17:38:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:39,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 17:38:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:40,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 17:38:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:40,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:38:40,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [871772403] [2020-08-18 17:38:40,022 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:38:40,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 17:38:40,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351518603] [2020-08-18 17:38:40,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 17:38:40,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:38:40,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 17:38:40,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 17:38:40,024 INFO L87 Difference]: Start difference. First operand 210 states and 256 transitions. Second operand 8 states. [2020-08-18 17:38:40,417 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:38:41,319 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:41,664 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:38:41,958 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:42,236 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:42,558 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:38:43,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:38:43,162 INFO L93 Difference]: Finished difference Result 680 states and 901 transitions. [2020-08-18 17:38:43,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 17:38:43,164 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-08-18 17:38:43,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:38:43,170 INFO L225 Difference]: With dead ends: 680 [2020-08-18 17:38:43,170 INFO L226 Difference]: Without dead ends: 494 [2020-08-18 17:38:43,173 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-18 17:38:43,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2020-08-18 17:38:43,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 375. [2020-08-18 17:38:43,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-08-18 17:38:43,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 462 transitions. [2020-08-18 17:38:43,298 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 462 transitions. Word has length 57 [2020-08-18 17:38:43,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:38:43,299 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 462 transitions. [2020-08-18 17:38:43,299 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 17:38:43,299 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 462 transitions. [2020-08-18 17:38:43,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-18 17:38:43,303 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:38:43,303 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:38:43,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 17:38:43,304 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:38:43,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:38:43,304 INFO L82 PathProgramCache]: Analyzing trace with hash 2126623889, now seen corresponding path program 1 times [2020-08-18 17:38:43,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:38:43,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1665951196] [2020-08-18 17:38:43,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:38:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:43,611 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:43,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:38:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:43,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:38:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:43,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:38:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:43,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:38:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:43,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:38:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:43,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-18 17:38:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:43,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 17:38:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:43,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 17:38:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:43,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-18 17:38:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:38:43,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:38:43,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1665951196] [2020-08-18 17:38:43,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:38:43,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 17:38:43,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717626696] [2020-08-18 17:38:43,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 17:38:43,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:38:43,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 17:38:43,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 17:38:43,739 INFO L87 Difference]: Start difference. First operand 375 states and 462 transitions. Second operand 9 states. [2020-08-18 17:38:44,115 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:38:44,999 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:45,270 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:45,511 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:38:45,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:38:45,771 INFO L93 Difference]: Finished difference Result 705 states and 922 transitions. [2020-08-18 17:38:45,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 17:38:45,771 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-08-18 17:38:45,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:38:45,772 INFO L225 Difference]: With dead ends: 705 [2020-08-18 17:38:45,773 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 17:38:45,777 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-08-18 17:38:45,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 17:38:45,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 17:38:45,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 17:38:45,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 17:38:45,779 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-08-18 17:38:45,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:38:45,779 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 17:38:45,779 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 17:38:45,779 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 17:38:45,779 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 17:38:45,780 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 17:38:45,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 17:38:48,665 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 17:38:48,830 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:38:49,082 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:38:49,246 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 17:38:49,598 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 17:38:50,074 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-08-18 17:38:50,245 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 17:38:50,400 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-18 17:38:50,724 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 8 [2020-08-18 17:38:51,056 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 17:38:51,380 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-18 17:38:51,569 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-08-18 17:38:51,760 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 17:38:51,929 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:38:52,098 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:38:52,273 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:38:52,450 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-18 17:38:52,606 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:38:52,757 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 17:38:53,045 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 17:38:53,210 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 17:38:53,515 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 17:38:53,667 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:38:53,688 INFO L268 CegarLoopResult]: For program point L634(lines 611 635) no Hoare annotation was computed. [2020-08-18 17:38:53,688 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 587 642) no Hoare annotation was computed. [2020-08-18 17:38:53,688 INFO L268 CegarLoopResult]: For program point L618(lines 618 622) no Hoare annotation was computed. [2020-08-18 17:38:53,688 INFO L268 CegarLoopResult]: For program point L618-1(lines 618 622) no Hoare annotation was computed. [2020-08-18 17:38:53,688 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 587 642) no Hoare annotation was computed. [2020-08-18 17:38:53,689 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-08-18 17:38:53,689 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 587 642) no Hoare annotation was computed. [2020-08-18 17:38:53,689 INFO L268 CegarLoopResult]: For program point L612-2(lines 612 633) no Hoare annotation was computed. [2020-08-18 17:38:53,689 INFO L268 CegarLoopResult]: For program point L670(line 670) no Hoare annotation was computed. [2020-08-18 17:38:53,689 INFO L268 CegarLoopResult]: For program point L669-2(lines 669 694) no Hoare annotation was computed. [2020-08-18 17:38:53,689 INFO L268 CegarLoopResult]: For program point L695(lines 668 696) no Hoare annotation was computed. [2020-08-18 17:38:53,690 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 643 702) no Hoare annotation was computed. [2020-08-18 17:38:53,690 INFO L268 CegarLoopResult]: For program point L688(line 688) no Hoare annotation was computed. [2020-08-18 17:38:53,690 INFO L268 CegarLoopResult]: For program point L688-1(line 688) no Hoare annotation was computed. [2020-08-18 17:38:53,690 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 643 702) no Hoare annotation was computed. [2020-08-18 17:38:53,690 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 643 702) no Hoare annotation was computed. [2020-08-18 17:38:53,690 INFO L268 CegarLoopResult]: For program point L675(lines 675 679) no Hoare annotation was computed. [2020-08-18 17:38:53,690 INFO L268 CegarLoopResult]: For program point L675-1(lines 675 679) no Hoare annotation was computed. [2020-08-18 17:38:53,691 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 246 252) the Hoare annotation is: true [2020-08-18 17:38:53,691 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 246 252) no Hoare annotation was computed. [2020-08-18 17:38:53,691 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 253 261) no Hoare annotation was computed. [2020-08-18 17:38:53,691 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 253 261) the Hoare annotation is: true [2020-08-18 17:38:53,691 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 253 261) no Hoare annotation was computed. [2020-08-18 17:38:53,691 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-08-18 17:38:53,691 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-08-18 17:38:53,691 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:53,692 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:53,692 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:53,692 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:53,692 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-08-18 17:38:53,692 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-08-18 17:38:53,693 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:53,693 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:53,693 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-08-18 17:38:53,693 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-08-18 17:38:53,693 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-08-18 17:38:53,693 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-08-18 17:38:53,694 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-08-18 17:38:53,694 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-08-18 17:38:53,694 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-18 17:38:53,694 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-08-18 17:38:53,694 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-08-18 17:38:53,694 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-18 17:38:53,694 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-08-18 17:38:53,694 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-08-18 17:38:53,695 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-18 17:38:53,695 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-08-18 17:38:53,695 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-08-18 17:38:53,695 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-18 17:38:53,695 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-08-18 17:38:53,695 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-08-18 17:38:53,695 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 330 336) no Hoare annotation was computed. [2020-08-18 17:38:53,695 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 330 336) the Hoare annotation is: true [2020-08-18 17:38:53,695 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 452 466) no Hoare annotation was computed. [2020-08-18 17:38:53,695 INFO L264 CegarLoopResult]: At program point L458(line 458) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 17:38:53,696 INFO L268 CegarLoopResult]: For program point L456(lines 456 462) no Hoare annotation was computed. [2020-08-18 17:38:53,696 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 452 466) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 17:38:53,696 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 452 466) no Hoare annotation was computed. [2020-08-18 17:38:53,696 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 363 370) no Hoare annotation was computed. [2020-08-18 17:38:53,696 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 363 370) no Hoare annotation was computed. [2020-08-18 17:38:53,696 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 363 370) no Hoare annotation was computed. [2020-08-18 17:38:53,696 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 407 415) no Hoare annotation was computed. [2020-08-18 17:38:53,696 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 407 415) the Hoare annotation is: true [2020-08-18 17:38:53,696 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 407 415) no Hoare annotation was computed. [2020-08-18 17:38:53,696 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-08-18 17:38:53,696 INFO L268 CegarLoopResult]: For program point L446-1(line 446) no Hoare annotation was computed. [2020-08-18 17:38:53,697 INFO L268 CegarLoopResult]: For program point L435(lines 435 443) no Hoare annotation was computed. [2020-08-18 17:38:53,697 INFO L268 CegarLoopResult]: For program point L435-2(lines 435 443) no Hoare annotation was computed. [2020-08-18 17:38:53,697 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 416 451) no Hoare annotation was computed. [2020-08-18 17:38:53,697 INFO L268 CegarLoopResult]: For program point L423(lines 423 431) no Hoare annotation was computed. [2020-08-18 17:38:53,697 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 416 451) no Hoare annotation was computed. [2020-08-18 17:38:53,697 INFO L268 CegarLoopResult]: For program point L423-2(lines 423 431) no Hoare annotation was computed. [2020-08-18 17:38:53,697 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 416 451) no Hoare annotation was computed. [2020-08-18 17:38:53,697 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 239 245) no Hoare annotation was computed. [2020-08-18 17:38:53,697 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 239 245) the Hoare annotation is: true [2020-08-18 17:38:53,697 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 541 586) no Hoare annotation was computed. [2020-08-18 17:38:53,698 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 541 586) no Hoare annotation was computed. [2020-08-18 17:38:53,698 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 541 586) no Hoare annotation was computed. [2020-08-18 17:38:53,698 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 854 899) no Hoare annotation was computed. [2020-08-18 17:38:53,698 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 854 899) no Hoare annotation was computed. [2020-08-18 17:38:53,698 INFO L268 CegarLoopResult]: For program point L874(lines 874 881) no Hoare annotation was computed. [2020-08-18 17:38:53,698 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 854 899) no Hoare annotation was computed. [2020-08-18 17:38:53,698 INFO L268 CegarLoopResult]: For program point L868(lines 868 888) no Hoare annotation was computed. [2020-08-18 17:38:53,698 INFO L268 CegarLoopResult]: For program point L868-1(lines 868 888) no Hoare annotation was computed. [2020-08-18 17:38:53,698 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:53,698 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-08-18 17:38:53,698 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-08-18 17:38:53,698 INFO L271 CegarLoopResult]: At program point L401(line 401) the Hoare annotation is: true [2020-08-18 17:38:53,699 INFO L268 CegarLoopResult]: For program point L401-1(line 401) no Hoare annotation was computed. [2020-08-18 17:38:53,699 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 396 406) the Hoare annotation is: true [2020-08-18 17:38:53,699 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 396 406) no Hoare annotation was computed. [2020-08-18 17:38:53,699 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 396 406) no Hoare annotation was computed. [2020-08-18 17:38:53,699 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 388 395) the Hoare annotation is: true [2020-08-18 17:38:53,699 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 388 395) no Hoare annotation was computed. [2020-08-18 17:38:53,699 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 388 395) no Hoare annotation was computed. [2020-08-18 17:38:53,699 INFO L264 CegarLoopResult]: At program point L352(line 352) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:38:53,699 INFO L264 CegarLoopResult]: At program point L348(line 348) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:38:53,699 INFO L268 CegarLoopResult]: For program point L346(lines 346 354) no Hoare annotation was computed. [2020-08-18 17:38:53,700 INFO L264 CegarLoopResult]: At program point L344(line 344) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:38:53,700 INFO L268 CegarLoopResult]: For program point L344-1(line 344) no Hoare annotation was computed. [2020-08-18 17:38:53,700 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 338 362) no Hoare annotation was computed. [2020-08-18 17:38:53,700 INFO L268 CegarLoopResult]: For program point L342(lines 342 359) no Hoare annotation was computed. [2020-08-18 17:38:53,700 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 338 362) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:38:53,700 INFO L264 CegarLoopResult]: At program point L357(line 357) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:38:53,700 INFO L268 CegarLoopResult]: For program point L357-1(lines 338 362) no Hoare annotation was computed. [2020-08-18 17:38:53,701 INFO L264 CegarLoopResult]: At program point L514-1(lines 508 521) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 17:38:53,701 INFO L264 CegarLoopResult]: At program point testENTRY(lines 468 533) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:53,701 INFO L268 CegarLoopResult]: For program point L479(lines 478 525) no Hoare annotation was computed. [2020-08-18 17:38:53,701 INFO L268 CegarLoopResult]: For program point L508(lines 508 521) no Hoare annotation was computed. [2020-08-18 17:38:53,701 INFO L268 CegarLoopResult]: For program point testFINAL(lines 468 533) no Hoare annotation was computed. [2020-08-18 17:38:53,701 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 17:38:53,701 INFO L268 CegarLoopResult]: For program point L498(lines 498 504) no Hoare annotation was computed. [2020-08-18 17:38:53,701 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 504) no Hoare annotation was computed. [2020-08-18 17:38:53,702 INFO L264 CegarLoopResult]: At program point L523(lines 478 525) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 17:38:53,702 INFO L264 CegarLoopResult]: At program point L490(line 490) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 17:38:53,702 INFO L268 CegarLoopResult]: For program point L488(lines 488 494) no Hoare annotation was computed. [2020-08-18 17:38:53,702 INFO L268 CegarLoopResult]: For program point L488-1(lines 488 494) no Hoare annotation was computed. [2020-08-18 17:38:53,702 INFO L268 CegarLoopResult]: For program point L480(lines 480 484) no Hoare annotation was computed. [2020-08-18 17:38:53,702 INFO L264 CegarLoopResult]: At program point L526(lines 477 527) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 17:38:53,702 INFO L264 CegarLoopResult]: At program point L516(line 516) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 17:38:53,702 INFO L268 CegarLoopResult]: For program point testEXIT(lines 468 533) no Hoare annotation was computed. [2020-08-18 17:38:53,702 INFO L268 CegarLoopResult]: For program point L514(lines 514 520) no Hoare annotation was computed. [2020-08-18 17:38:53,702 INFO L268 CegarLoopResult]: For program point L828(lines 828 835) no Hoare annotation was computed. [2020-08-18 17:38:53,702 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 808 853) no Hoare annotation was computed. [2020-08-18 17:38:53,703 INFO L268 CegarLoopResult]: For program point L822(lines 822 842) no Hoare annotation was computed. [2020-08-18 17:38:53,703 INFO L268 CegarLoopResult]: For program point L822-1(lines 822 842) no Hoare annotation was computed. [2020-08-18 17:38:53,703 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 808 853) no Hoare annotation was computed. [2020-08-18 17:38:53,703 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 808 853) no Hoare annotation was computed. [2020-08-18 17:38:53,703 INFO L268 CegarLoopResult]: For program point L203(lines 203 211) no Hoare annotation was computed. [2020-08-18 17:38:53,703 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 211) no Hoare annotation was computed. [2020-08-18 17:38:53,703 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 195 217) no Hoare annotation was computed. [2020-08-18 17:38:53,703 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 195 217) no Hoare annotation was computed. [2020-08-18 17:38:53,703 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 195 217) no Hoare annotation was computed. [2020-08-18 17:38:53,703 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 229 238) no Hoare annotation was computed. [2020-08-18 17:38:53,703 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 229 238) no Hoare annotation was computed. [2020-08-18 17:38:53,703 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 229 238) no Hoare annotation was computed. [2020-08-18 17:38:53,704 INFO L268 CegarLoopResult]: For program point L770-1(line 770) no Hoare annotation was computed. [2020-08-18 17:38:53,704 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 705 807) no Hoare annotation was computed. [2020-08-18 17:38:53,704 INFO L268 CegarLoopResult]: For program point L729(lines 729 733) no Hoare annotation was computed. [2020-08-18 17:38:53,704 INFO L268 CegarLoopResult]: For program point L793(lines 793 804) no Hoare annotation was computed. [2020-08-18 17:38:53,704 INFO L268 CegarLoopResult]: For program point L756(lines 756 760) no Hoare annotation was computed. [2020-08-18 17:38:53,704 INFO L268 CegarLoopResult]: For program point L754-2(lines 754 774) no Hoare annotation was computed. [2020-08-18 17:38:53,704 INFO L268 CegarLoopResult]: For program point L775(lines 753 776) no Hoare annotation was computed. [2020-08-18 17:38:53,704 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 705 807) no Hoare annotation was computed. [2020-08-18 17:38:53,704 INFO L268 CegarLoopResult]: For program point L734(lines 734 750) no Hoare annotation was computed. [2020-08-18 17:38:53,704 INFO L268 CegarLoopResult]: For program point L794(lines 794 801) no Hoare annotation was computed. [2020-08-18 17:38:53,704 INFO L268 CegarLoopResult]: For program point L755(lines 754 774) no Hoare annotation was computed. [2020-08-18 17:38:53,704 INFO L268 CegarLoopResult]: For program point L786(line 786) no Hoare annotation was computed. [2020-08-18 17:38:53,704 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 705 807) no Hoare annotation was computed. [2020-08-18 17:38:53,704 INFO L268 CegarLoopResult]: For program point L786-1(line 786) no Hoare annotation was computed. [2020-08-18 17:38:53,705 INFO L268 CegarLoopResult]: For program point L751(lines 751 792) no Hoare annotation was computed. [2020-08-18 17:38:53,705 INFO L268 CegarLoopResult]: For program point L770(line 770) no Hoare annotation was computed. [2020-08-18 17:38:53,705 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:38:53,705 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 17:38:53,705 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:38:53,705 INFO L268 CegarLoopResult]: For program point L382(line 382) no Hoare annotation was computed. [2020-08-18 17:38:53,705 INFO L268 CegarLoopResult]: For program point L382-1(lines 371 387) no Hoare annotation was computed. [2020-08-18 17:38:53,705 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 371 387) no Hoare annotation was computed. [2020-08-18 17:38:53,705 INFO L268 CegarLoopResult]: For program point L378(lines 378 384) no Hoare annotation was computed. [2020-08-18 17:38:53,705 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 371 387) no Hoare annotation was computed. [2020-08-18 17:38:53,706 INFO L268 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-08-18 17:38:53,706 INFO L268 CegarLoopResult]: For program point L376-1(line 376) no Hoare annotation was computed. [2020-08-18 17:38:53,706 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 218 226) no Hoare annotation was computed. [2020-08-18 17:38:53,706 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 218 226) no Hoare annotation was computed. [2020-08-18 17:38:53,706 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 218 226) no Hoare annotation was computed. [2020-08-18 17:38:53,706 INFO L268 CegarLoopResult]: For program point L178-1(lines 174 185) no Hoare annotation was computed. [2020-08-18 17:38:53,706 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 174 185) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 17:38:53,706 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 174 185) no Hoare annotation was computed. [2020-08-18 17:38:53,706 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:38:53,706 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 17:38:53,706 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:38:53,706 INFO L264 CegarLoopResult]: At program point L319(line 319) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:38:53,706 INFO L264 CegarLoopResult]: At program point L317(lines 317 323) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:38:53,707 INFO L264 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 17:38:53,707 INFO L268 CegarLoopResult]: For program point L310(lines 309 328) no Hoare annotation was computed. [2020-08-18 17:38:53,707 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 306 329) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:38:53,707 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 306 329) no Hoare annotation was computed. [2020-08-18 17:38:53,707 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 306 329) no Hoare annotation was computed. [2020-08-18 17:38:53,707 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-08-18 17:38:53,707 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-08-18 17:38:53,707 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-08-18 17:38:53,707 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-08-18 17:38:53,707 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-08-18 17:38:53,708 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-08-18 17:38:53,708 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-08-18 17:38:53,708 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-08-18 17:38:53,708 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-08-18 17:38:53,708 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-08-18 17:38:53,708 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 186 194) the Hoare annotation is: true [2020-08-18 17:38:53,708 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 186 194) no Hoare annotation was computed. [2020-08-18 17:38:53,708 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 186 194) no Hoare annotation was computed. [2020-08-18 17:38:53,708 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 150 161) the Hoare annotation is: true [2020-08-18 17:38:53,709 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 150 161) no Hoare annotation was computed. [2020-08-18 17:38:53,709 INFO L268 CegarLoopResult]: For program point L154-1(lines 150 161) no Hoare annotation was computed. [2020-08-18 17:38:53,709 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-08-18 17:38:53,709 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-08-18 17:38:53,709 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:38:53,709 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 17:38:53,709 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 17:38:53,709 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:38:53,710 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 162 173) no Hoare annotation was computed. [2020-08-18 17:38:53,710 INFO L268 CegarLoopResult]: For program point L166-1(lines 162 173) no Hoare annotation was computed. [2020-08-18 17:38:53,710 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 162 173) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 17:38:53,710 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 291 298) no Hoare annotation was computed. [2020-08-18 17:38:53,710 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2020-08-18 17:38:53,710 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 291 298) the Hoare annotation is: true [2020-08-18 17:38:53,710 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 291 298) no Hoare annotation was computed. [2020-08-18 17:38:53,711 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 265 289) the Hoare annotation is: true [2020-08-18 17:38:53,711 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 265 289) no Hoare annotation was computed. [2020-08-18 17:38:53,711 INFO L264 CegarLoopResult]: At program point L279(line 279) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 17:38:53,711 INFO L268 CegarLoopResult]: For program point L277(lines 277 283) no Hoare annotation was computed. [2020-08-18 17:38:53,711 INFO L264 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-08-18 17:38:53,711 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-08-18 17:38:53,711 INFO L268 CegarLoopResult]: For program point L273(lines 273 286) no Hoare annotation was computed. [2020-08-18 17:38:53,712 INFO L268 CegarLoopResult]: For program point L273-1(lines 265 289) no Hoare annotation was computed. [2020-08-18 17:38:53,712 INFO L271 CegarLoopResult]: At program point L271(line 271) the Hoare annotation is: true [2020-08-18 17:38:53,712 INFO L268 CegarLoopResult]: For program point L271-1(line 271) no Hoare annotation was computed. [2020-08-18 17:38:53,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 05:38:53 BoogieIcfgContainer [2020-08-18 17:38:53,729 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 17:38:53,731 INFO L168 Benchmark]: Toolchain (without parser) took 23574.92 ms. Allocated memory was 140.0 MB in the beginning and 580.4 MB in the end (delta: 440.4 MB). Free memory was 101.9 MB in the beginning and 89.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 458.8 MB. Max. memory is 7.1 GB. [2020-08-18 17:38:53,732 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 17:38:53,733 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.06 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 101.7 MB in the beginning and 172.8 MB in the end (delta: -71.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2020-08-18 17:38:53,734 INFO L168 Benchmark]: Boogie Preprocessor took 103.01 ms. Allocated memory is still 203.9 MB. Free memory was 172.8 MB in the beginning and 168.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-18 17:38:53,735 INFO L168 Benchmark]: RCFGBuilder took 1090.53 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 168.7 MB in the beginning and 201.5 MB in the end (delta: -32.8 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2020-08-18 17:38:53,736 INFO L168 Benchmark]: TraceAbstraction took 21718.87 ms. Allocated memory was 236.5 MB in the beginning and 580.4 MB in the end (delta: 343.9 MB). Free memory was 200.1 MB in the beginning and 89.1 MB in the end (delta: 111.0 MB). Peak memory consumption was 460.5 MB. Max. memory is 7.1 GB. [2020-08-18 17:38:53,740 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 656.06 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 101.7 MB in the beginning and 172.8 MB in the end (delta: -71.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.01 ms. Allocated memory is still 203.9 MB. Free memory was 172.8 MB in the beginning and 168.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1090.53 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 168.7 MB in the beginning and 201.5 MB in the end (delta: -32.8 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21718.87 ms. Allocated memory was 236.5 MB in the beginning and 580.4 MB in the end (delta: 343.9 MB). Free memory was 200.1 MB in the beginning and 89.1 MB in the end (delta: 111.0 MB). Peak memory consumption was 460.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 295]: 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: 477]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 217 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 445 SDtfs, 752 SDslu, 384 SDs, 0 SdLazy, 1879 SolverSat, 517 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=375occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 230 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 468 PreInvPairs, 543 NumberOfFragments, 676 HoareAnnotationTreeSize, 468 FomulaSimplifications, 56314 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 51 FomulaSimplificationsInter, 16892 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 73254 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...