/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=DEEPEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 20:57:28,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 20:57:28,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 20:57:28,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 20:57:28,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 20:57:28,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 20:57:28,831 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 20:57:28,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 20:57:28,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 20:57:28,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 20:57:28,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 20:57:28,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 20:57:28,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 20:57:28,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 20:57:28,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 20:57:28,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 20:57:28,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 20:57:28,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 20:57:28,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 20:57:28,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 20:57:28,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 20:57:28,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 20:57:28,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 20:57:28,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 20:57:28,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 20:57:28,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 20:57:28,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 20:57:28,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 20:57:28,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 20:57:28,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 20:57:28,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 20:57:28,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 20:57:28,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 20:57:28,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 20:57:28,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 20:57:28,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 20:57:28,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 20:57:28,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 20:57:28,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 20:57:28,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 20:57:28,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 20:57:28,890 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 20:57:28,936 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 20:57:28,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 20:57:28,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 20:57:28,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 20:57:28,938 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 20:57:28,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 20:57:28,939 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 20:57:28,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 20:57:28,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 20:57:28,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 20:57:28,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 20:57:28,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 20:57:28,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 20:57:28,941 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 20:57:28,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 20:57:28,941 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 20:57:28,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 20:57:28,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 20:57:28,942 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 20:57:28,943 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 20:57:28,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 20:57:28,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 20:57:28,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 20:57:28,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 20:57:28,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 20:57:28,945 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 20:57:28,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 20:57:28,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 20:57:28,945 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 20:57:28,946 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=DEEPEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=DEEPEST; [2020-08-18 20:57:29,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 20:57:29,277 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 20:57:29,281 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 20:57:29,282 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 20:57:29,282 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 20:57:29,283 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c [2020-08-18 20:57:29,339 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae78aab11/0f2ea44f99a94b4f8e2756125a595a2b/FLAG25bff0c9d [2020-08-18 20:57:29,907 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 20:57:29,908 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c [2020-08-18 20:57:29,930 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae78aab11/0f2ea44f99a94b4f8e2756125a595a2b/FLAG25bff0c9d [2020-08-18 20:57:30,166 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae78aab11/0f2ea44f99a94b4f8e2756125a595a2b [2020-08-18 20:57:30,174 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 20:57:30,176 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 20:57:30,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 20:57:30,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 20:57:30,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 20:57:30,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:57:30" (1/1) ... [2020-08-18 20:57:30,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35272ab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:57:30, skipping insertion in model container [2020-08-18 20:57:30,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:57:30" (1/1) ... [2020-08-18 20:57:30,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 20:57:30,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 20:57:30,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:57:30,691 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 20:57:30,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:57:30,792 INFO L208 MainTranslator]: Completed translation [2020-08-18 20:57:30,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:57:30 WrapperNode [2020-08-18 20:57:30,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 20:57:30,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 20:57:30,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 20:57:30,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 20:57:30,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:57:30" (1/1) ... [2020-08-18 20:57:30,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:57:30" (1/1) ... [2020-08-18 20:57:30,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:57:30" (1/1) ... [2020-08-18 20:57:30,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:57:30" (1/1) ... [2020-08-18 20:57:30,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:57:30" (1/1) ... [2020-08-18 20:57:30,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:57:30" (1/1) ... [2020-08-18 20:57:30,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:57:30" (1/1) ... [2020-08-18 20:57:30,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 20:57:30,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 20:57:30,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 20:57:30,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 20:57:30,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:57:30" (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 20:57:31,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 20:57:31,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 20:57:31,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 20:57:31,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 20:57:31,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 20:57:31,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 20:57:31,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 20:57:31,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 20:57:31,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 20:57:31,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 20:57:31,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-18 20:57:31,007 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 20:57:31,007 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 20:57:31,007 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 20:57:31,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 20:57:31,008 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 20:57:31,008 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 20:57:31,009 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 20:57:31,009 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 20:57:31,009 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 20:57:31,009 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-18 20:57:31,010 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 20:57:31,010 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 20:57:31,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 20:57:31,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 20:57:31,011 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 20:57:31,011 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 20:57:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 20:57:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 20:57:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 20:57:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 20:57:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 20:57:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 20:57:31,013 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 20:57:31,013 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 20:57:31,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 20:57:31,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 20:57:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 20:57:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 20:57:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 20:57:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 20:57:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 20:57:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 20:57:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 20:57:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 20:57:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 20:57:31,017 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 20:57:31,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 20:57:31,018 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 20:57:31,018 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 20:57:31,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 20:57:31,018 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 20:57:31,018 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 20:57:31,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 20:57:31,019 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 20:57:31,019 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 20:57:31,019 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 20:57:31,019 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 20:57:31,020 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-18 20:57:31,020 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 20:57:31,020 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 20:57:31,020 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 20:57:31,021 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 20:57:31,021 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 20:57:31,021 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 20:57:31,021 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 20:57:31,021 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 20:57:31,021 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 20:57:31,021 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 20:57:31,022 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 20:57:31,022 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 20:57:31,022 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-18 20:57:31,023 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 20:57:31,023 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 20:57:31,024 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 20:57:31,024 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 20:57:31,024 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 20:57:31,025 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 20:57:31,025 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 20:57:31,025 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 20:57:31,025 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 20:57:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 20:57:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 20:57:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 20:57:31,996 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 20:57:31,997 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 20:57:32,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:57:32 BoogieIcfgContainer [2020-08-18 20:57:32,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 20:57:32,004 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 20:57:32,004 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 20:57:32,008 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 20:57:32,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 08:57:30" (1/3) ... [2020-08-18 20:57:32,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@edb0a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:57:32, skipping insertion in model container [2020-08-18 20:57:32,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:57:30" (2/3) ... [2020-08-18 20:57:32,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@edb0a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:57:32, skipping insertion in model container [2020-08-18 20:57:32,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:57:32" (3/3) ... [2020-08-18 20:57:32,012 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product09.cil.c [2020-08-18 20:57:32,023 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 20:57:32,032 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 20:57:32,047 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 20:57:32,074 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 20:57:32,074 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 20:57:32,074 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 20:57:32,074 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 20:57:32,075 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 20:57:32,075 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 20:57:32,075 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 20:57:32,075 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 20:57:32,097 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-08-18 20:57:32,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 20:57:32,106 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:57:32,107 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 20:57:32,108 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:57:32,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:57:32,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1141825369, now seen corresponding path program 1 times [2020-08-18 20:57:32,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:57:32,129 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [287813042] [2020-08-18 20:57:32,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:57:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:32,863 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:57:32,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:57:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:32,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:57:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:32,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:57:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:32,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:57:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:32,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:57:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:32,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 20:57:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:32,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 20:57:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:32,984 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 20:57:32,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [287813042] [2020-08-18 20:57:32,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:57:32,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 20:57:32,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197552295] [2020-08-18 20:57:32,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 20:57:32,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:57:33,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 20:57:33,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 20:57:33,022 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 3 states. [2020-08-18 20:57:33,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:57:33,877 INFO L93 Difference]: Finished difference Result 199 states and 270 transitions. [2020-08-18 20:57:33,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 20:57:33,880 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 20:57:33,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:57:33,896 INFO L225 Difference]: With dead ends: 199 [2020-08-18 20:57:33,896 INFO L226 Difference]: Without dead ends: 109 [2020-08-18 20:57:33,900 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 20:57:33,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-18 20:57:33,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81. [2020-08-18 20:57:33,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-08-18 20:57:33,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2020-08-18 20:57:33,982 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 46 [2020-08-18 20:57:33,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:57:33,984 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2020-08-18 20:57:33,984 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 20:57:33,984 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2020-08-18 20:57:33,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 20:57:33,989 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:57:33,990 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 20:57:33,990 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 20:57:33,990 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:57:33,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:57:33,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1674217379, now seen corresponding path program 1 times [2020-08-18 20:57:33,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:57:33,991 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1366212963] [2020-08-18 20:57:33,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:57:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:34,345 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:57:34,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:57:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:34,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:57:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:34,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:57:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:34,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:57:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:34,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:57:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:34,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 20:57:34,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:34,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 20:57:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:34,389 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 20:57:34,390 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1366212963] [2020-08-18 20:57:34,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:57:34,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 20:57:34,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107914755] [2020-08-18 20:57:34,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 20:57:34,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:57:34,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 20:57:34,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 20:57:34,393 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand 4 states. [2020-08-18 20:57:34,805 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:57:35,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:57:35,231 INFO L93 Difference]: Finished difference Result 132 states and 161 transitions. [2020-08-18 20:57:35,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 20:57:35,233 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 20:57:35,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:57:35,235 INFO L225 Difference]: With dead ends: 132 [2020-08-18 20:57:35,235 INFO L226 Difference]: Without dead ends: 93 [2020-08-18 20:57:35,239 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 20:57:35,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-08-18 20:57:35,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72. [2020-08-18 20:57:35,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-08-18 20:57:35,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 82 transitions. [2020-08-18 20:57:35,283 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 82 transitions. Word has length 47 [2020-08-18 20:57:35,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:57:35,284 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 82 transitions. [2020-08-18 20:57:35,284 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 20:57:35,284 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2020-08-18 20:57:35,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 20:57:35,289 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:57:35,289 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 20:57:35,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 20:57:35,290 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:57:35,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:57:35,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1654524971, now seen corresponding path program 1 times [2020-08-18 20:57:35,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:57:35,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1068793272] [2020-08-18 20:57:35,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:57:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:35,657 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:57:35,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:57:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:35,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:57:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:35,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:57:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:35,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:57:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:35,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:57:35,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:35,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 20:57:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:35,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 20:57:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:35,811 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 20:57:35,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1068793272] [2020-08-18 20:57:35,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:57:35,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 20:57:35,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844098760] [2020-08-18 20:57:35,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 20:57:35,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:57:35,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 20:57:35,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 20:57:35,817 INFO L87 Difference]: Start difference. First operand 72 states and 82 transitions. Second operand 8 states. [2020-08-18 20:57:36,151 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:57:36,460 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:57:36,695 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:57:36,920 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:57:37,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:57:37,616 INFO L93 Difference]: Finished difference Result 141 states and 175 transitions. [2020-08-18 20:57:37,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 20:57:37,621 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-18 20:57:37,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:57:37,625 INFO L225 Difference]: With dead ends: 141 [2020-08-18 20:57:37,625 INFO L226 Difference]: Without dead ends: 93 [2020-08-18 20:57:37,626 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 20:57:37,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-08-18 20:57:37,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72. [2020-08-18 20:57:37,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-08-18 20:57:37,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2020-08-18 20:57:37,652 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 51 [2020-08-18 20:57:37,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:57:37,653 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2020-08-18 20:57:37,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 20:57:37,653 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2020-08-18 20:57:37,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-18 20:57:37,654 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:57:37,654 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] [2020-08-18 20:57:37,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 20:57:37,655 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:57:37,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:57:37,655 INFO L82 PathProgramCache]: Analyzing trace with hash 905199539, now seen corresponding path program 1 times [2020-08-18 20:57:37,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:57:37,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1453729295] [2020-08-18 20:57:37,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:57:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:37,974 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:57:37,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:57:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:38,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:57:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:38,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:57:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:38,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:57:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:38,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:57:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:38,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-18 20:57:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:38,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 20:57:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:38,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-18 20:57:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:38,063 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 20:57:38,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1453729295] [2020-08-18 20:57:38,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:57:38,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-18 20:57:38,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994442534] [2020-08-18 20:57:38,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-18 20:57:38,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:57:38,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-18 20:57:38,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-18 20:57:38,066 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 11 states. [2020-08-18 20:57:38,461 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:57:38,773 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:57:39,028 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:57:39,275 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:57:39,794 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:57:40,283 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:57:40,576 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 20:57:40,829 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 20:57:41,066 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 20:57:41,298 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:57:41,576 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 20:57:41,880 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 20:57:42,121 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:57:42,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:57:42,605 INFO L93 Difference]: Finished difference Result 217 states and 278 transitions. [2020-08-18 20:57:42,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-18 20:57:42,606 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 54 [2020-08-18 20:57:42,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:57:42,612 INFO L225 Difference]: With dead ends: 217 [2020-08-18 20:57:42,614 INFO L226 Difference]: Without dead ends: 169 [2020-08-18 20:57:42,615 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2020-08-18 20:57:42,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-08-18 20:57:42,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 153. [2020-08-18 20:57:42,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-08-18 20:57:42,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 181 transitions. [2020-08-18 20:57:42,685 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 181 transitions. Word has length 54 [2020-08-18 20:57:42,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:57:42,685 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 181 transitions. [2020-08-18 20:57:42,686 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-18 20:57:42,686 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 181 transitions. [2020-08-18 20:57:42,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-08-18 20:57:42,688 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:57:42,688 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] [2020-08-18 20:57:42,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 20:57:42,688 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:57:42,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:57:42,689 INFO L82 PathProgramCache]: Analyzing trace with hash 526840461, now seen corresponding path program 1 times [2020-08-18 20:57:42,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:57:42,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1243616624] [2020-08-18 20:57:42,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:57:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:42,958 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:57:42,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:57:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:42,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:57:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:42,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:57:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:42,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:57:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:42,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:57:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:43,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-18 20:57:43,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:43,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 20:57:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:43,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 20:57:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:43,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-18 20:57:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:43,012 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 20:57:43,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1243616624] [2020-08-18 20:57:43,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:57:43,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 20:57:43,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914904828] [2020-08-18 20:57:43,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 20:57:43,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:57:43,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 20:57:43,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 20:57:43,015 INFO L87 Difference]: Start difference. First operand 153 states and 181 transitions. Second operand 5 states. [2020-08-18 20:57:43,312 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:57:43,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:57:43,727 INFO L93 Difference]: Finished difference Result 242 states and 296 transitions. [2020-08-18 20:57:43,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-18 20:57:43,727 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-08-18 20:57:43,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:57:43,729 INFO L225 Difference]: With dead ends: 242 [2020-08-18 20:57:43,729 INFO L226 Difference]: Without dead ends: 148 [2020-08-18 20:57:43,731 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 20:57:43,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-08-18 20:57:43,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 136. [2020-08-18 20:57:43,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-08-18 20:57:43,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 153 transitions. [2020-08-18 20:57:43,763 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 153 transitions. Word has length 58 [2020-08-18 20:57:43,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:57:43,764 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 153 transitions. [2020-08-18 20:57:43,764 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 20:57:43,764 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 153 transitions. [2020-08-18 20:57:43,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-08-18 20:57:43,766 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:57:43,766 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:57:43,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 20:57:43,766 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:57:43,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:57:43,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1103000120, now seen corresponding path program 1 times [2020-08-18 20:57:43,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:57:43,767 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [200830039] [2020-08-18 20:57:43,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:57:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:44,019 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:57:44,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:57:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:44,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:57:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:44,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:57:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:44,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:57:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:44,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:57:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:44,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 20:57:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:44,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 20:57:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:44,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 20:57:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:44,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-18 20:57:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:44,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:57:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:44,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-18 20:57:44,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:44,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-08-18 20:57:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:44,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-18 20:57:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:44,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-08-18 20:57:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:44,141 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-18 20:57:44,142 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [200830039] [2020-08-18 20:57:44,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 20:57:44,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 20:57:44,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275007631] [2020-08-18 20:57:44,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 20:57:44,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:57:44,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 20:57:44,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 20:57:44,144 INFO L87 Difference]: Start difference. First operand 136 states and 153 transitions. Second operand 8 states. [2020-08-18 20:57:44,789 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-18 20:57:45,297 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:57:45,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:57:45,714 INFO L93 Difference]: Finished difference Result 183 states and 214 transitions. [2020-08-18 20:57:45,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 20:57:45,714 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2020-08-18 20:57:45,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:57:45,715 INFO L225 Difference]: With dead ends: 183 [2020-08-18 20:57:45,715 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 20:57:45,721 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-08-18 20:57:45,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 20:57:45,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 20:57:45,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 20:57:45,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 20:57:45,722 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2020-08-18 20:57:45,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:57:45,723 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 20:57:45,723 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 20:57:45,723 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 20:57:45,723 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 20:57:45,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 20:57:45,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 20:57:47,617 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 18 [2020-08-18 20:57:47,957 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 18 [2020-08-18 20:57:48,477 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 18 [2020-08-18 20:57:48,905 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-08-18 20:57:49,262 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-08-18 20:57:49,630 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 18 [2020-08-18 20:57:50,066 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 19 [2020-08-18 20:57:50,255 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:57:50,699 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 19 [2020-08-18 20:57:51,299 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 20 [2020-08-18 20:57:51,473 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 20:57:51,945 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 18 [2020-08-18 20:57:52,586 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 21 [2020-08-18 20:57:52,772 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 20:57:53,144 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 18 [2020-08-18 20:57:53,425 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 20:57:54,221 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 19 [2020-08-18 20:57:54,431 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 20:57:54,436 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-08-18 20:57:54,436 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-08-18 20:57:54,436 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-18 20:57:54,436 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-08-18 20:57:54,436 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-08-18 20:57:54,437 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-08-18 20:57:54,437 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-08-18 20:57:54,437 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-08-18 20:57:54,437 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-18 20:57:54,437 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-08-18 20:57:54,437 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-08-18 20:57:54,437 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-08-18 20:57:54,438 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-08-18 20:57:54,438 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-18 20:57:54,438 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-08-18 20:57:54,438 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-08-18 20:57:54,438 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-08-18 20:57:54,438 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-08-18 20:57:54,439 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 744 750) the Hoare annotation is: true [2020-08-18 20:57:54,439 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 744 750) no Hoare annotation was computed. [2020-08-18 20:57:54,439 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 751 759) no Hoare annotation was computed. [2020-08-18 20:57:54,439 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 751 759) the Hoare annotation is: true [2020-08-18 20:57:54,439 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 751 759) no Hoare annotation was computed. [2020-08-18 20:57:54,440 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 417 441) the Hoare annotation is: true [2020-08-18 20:57:54,440 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 417 441) no Hoare annotation was computed. [2020-08-18 20:57:54,440 INFO L264 CegarLoopResult]: At program point L431(line 431) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 20:57:54,440 INFO L268 CegarLoopResult]: For program point L429(lines 429 435) no Hoare annotation was computed. [2020-08-18 20:57:54,440 INFO L264 CegarLoopResult]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 20:57:54,440 INFO L268 CegarLoopResult]: For program point L427-1(line 427) no Hoare annotation was computed. [2020-08-18 20:57:54,440 INFO L268 CegarLoopResult]: For program point L425(lines 425 438) no Hoare annotation was computed. [2020-08-18 20:57:54,441 INFO L268 CegarLoopResult]: For program point L425-1(lines 417 441) no Hoare annotation was computed. [2020-08-18 20:57:54,441 INFO L271 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: true [2020-08-18 20:57:54,441 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-08-18 20:57:54,441 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 833 855) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 20:57:54,441 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 833 855) no Hoare annotation was computed. [2020-08-18 20:57:54,441 INFO L264 CegarLoopResult]: At program point L845(line 845) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~6 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 20:57:54,442 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 833 855) no Hoare annotation was computed. [2020-08-18 20:57:54,442 INFO L264 CegarLoopResult]: At program point L845-1(line 845) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~6 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 20:57:54,442 INFO L268 CegarLoopResult]: For program point L843(lines 843 850) no Hoare annotation was computed. [2020-08-18 20:57:54,442 INFO L268 CegarLoopResult]: For program point L843-1(lines 843 850) no Hoare annotation was computed. [2020-08-18 20:57:54,442 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-08-18 20:57:54,442 INFO L264 CegarLoopResult]: At program point L840(line 840) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 20:57:54,442 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 20:57:54,443 INFO L264 CegarLoopResult]: At program point L839-1(line 839) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 20:57:54,443 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-08-18 20:57:54,443 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-08-18 20:57:54,443 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 792 815) no Hoare annotation was computed. [2020-08-18 20:57:54,443 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-08-18 20:57:54,443 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-08-18 20:57:54,443 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-08-18 20:57:54,443 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 792 815) no Hoare annotation was computed. [2020-08-18 20:57:54,443 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 792 815) no Hoare annotation was computed. [2020-08-18 20:57:54,443 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-08-18 20:57:54,443 INFO L268 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-08-18 20:57:54,444 INFO L268 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-08-18 20:57:54,444 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-08-18 20:57:54,444 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-08-18 20:57:54,444 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-08-18 20:57:54,444 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-08-18 20:57:54,444 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-08-18 20:57:54,444 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-08-18 20:57:54,444 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 632 639) no Hoare annotation was computed. [2020-08-18 20:57:54,444 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 632 639) no Hoare annotation was computed. [2020-08-18 20:57:54,445 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 632 639) no Hoare annotation was computed. [2020-08-18 20:57:54,445 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 677 685) no Hoare annotation was computed. [2020-08-18 20:57:54,445 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 677 685) the Hoare annotation is: true [2020-08-18 20:57:54,445 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 677 685) no Hoare annotation was computed. [2020-08-18 20:57:54,445 INFO L268 CegarLoopResult]: For program point L705(lines 705 713) no Hoare annotation was computed. [2020-08-18 20:57:54,445 INFO L268 CegarLoopResult]: For program point L705-2(lines 705 713) no Hoare annotation was computed. [2020-08-18 20:57:54,445 INFO L268 CegarLoopResult]: For program point L693(lines 693 701) no Hoare annotation was computed. [2020-08-18 20:57:54,445 INFO L268 CegarLoopResult]: For program point L693-2(lines 693 701) no Hoare annotation was computed. [2020-08-18 20:57:54,445 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 686 721) no Hoare annotation was computed. [2020-08-18 20:57:54,445 INFO L268 CegarLoopResult]: For program point L716(line 716) no Hoare annotation was computed. [2020-08-18 20:57:54,446 INFO L268 CegarLoopResult]: For program point L716-1(line 716) no Hoare annotation was computed. [2020-08-18 20:57:54,446 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 686 721) no Hoare annotation was computed. [2020-08-18 20:57:54,446 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 686 721) no Hoare annotation was computed. [2020-08-18 20:57:54,446 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 737 743) no Hoare annotation was computed. [2020-08-18 20:57:54,446 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 737 743) the Hoare annotation is: true [2020-08-18 20:57:54,446 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-08-18 20:57:54,446 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-08-18 20:57:54,446 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-08-18 20:57:54,446 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-08-18 20:57:54,446 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-08-18 20:57:54,446 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-08-18 20:57:54,447 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-08-18 20:57:54,447 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-08-18 20:57:54,447 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-08-18 20:57:54,447 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 823 832) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 20:57:54,447 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 823 832) no Hoare annotation was computed. [2020-08-18 20:57:54,447 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 823 832) no Hoare annotation was computed. [2020-08-18 20:57:54,447 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 666 676) no Hoare annotation was computed. [2020-08-18 20:57:54,447 INFO L268 CegarLoopResult]: For program point L671(line 671) no Hoare annotation was computed. [2020-08-18 20:57:54,447 INFO L268 CegarLoopResult]: For program point L671-1(line 671) no Hoare annotation was computed. [2020-08-18 20:57:54,447 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 666 676) no Hoare annotation was computed. [2020-08-18 20:57:54,447 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 666 676) no Hoare annotation was computed. [2020-08-18 20:57:54,448 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 658 665) no Hoare annotation was computed. [2020-08-18 20:57:54,448 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 658 665) no Hoare annotation was computed. [2020-08-18 20:57:54,448 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 658 665) no Hoare annotation was computed. [2020-08-18 20:57:54,448 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 625 631) no Hoare annotation was computed. [2020-08-18 20:57:54,448 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 625 631) the Hoare annotation is: true [2020-08-18 20:57:54,448 INFO L268 CegarLoopResult]: For program point L576(lines 576 580) no Hoare annotation was computed. [2020-08-18 20:57:54,448 INFO L264 CegarLoopResult]: At program point testENTRY(lines 530 593) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 20:57:54,448 INFO L264 CegarLoopResult]: At program point L576-2(lines 570 581) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)))) [2020-08-18 20:57:54,448 INFO L268 CegarLoopResult]: For program point L541(lines 540 585) no Hoare annotation was computed. [2020-08-18 20:57:54,449 INFO L268 CegarLoopResult]: For program point L570(lines 570 581) no Hoare annotation was computed. [2020-08-18 20:57:54,449 INFO L268 CegarLoopResult]: For program point testFINAL(lines 530 593) no Hoare annotation was computed. [2020-08-18 20:57:54,449 INFO L264 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)))) [2020-08-18 20:57:54,449 INFO L268 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2020-08-18 20:57:54,449 INFO L268 CegarLoopResult]: For program point L560-1(lines 560 566) no Hoare annotation was computed. [2020-08-18 20:57:54,449 INFO L264 CegarLoopResult]: At program point L552(line 552) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)))) [2020-08-18 20:57:54,450 INFO L264 CegarLoopResult]: At program point L583(lines 540 585) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)))) [2020-08-18 20:57:54,450 INFO L268 CegarLoopResult]: For program point L550(lines 550 556) no Hoare annotation was computed. [2020-08-18 20:57:54,450 INFO L268 CegarLoopResult]: For program point L550-1(lines 550 556) no Hoare annotation was computed. [2020-08-18 20:57:54,450 INFO L268 CegarLoopResult]: For program point L542(lines 542 546) no Hoare annotation was computed. [2020-08-18 20:57:54,450 INFO L264 CegarLoopResult]: At program point L586(lines 539 587) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-08-18 20:57:54,450 INFO L268 CegarLoopResult]: For program point testEXIT(lines 530 593) no Hoare annotation was computed. [2020-08-18 20:57:54,450 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-08-18 20:57:54,450 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-08-18 20:57:54,451 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-08-18 20:57:54,451 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-08-18 20:57:54,451 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-08-18 20:57:54,451 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-08-18 20:57:54,451 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 495 517) no Hoare annotation was computed. [2020-08-18 20:57:54,451 INFO L268 CegarLoopResult]: For program point L503(lines 503 511) no Hoare annotation was computed. [2020-08-18 20:57:54,451 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 495 517) no Hoare annotation was computed. [2020-08-18 20:57:54,451 INFO L268 CegarLoopResult]: For program point L503-2(lines 503 511) no Hoare annotation was computed. [2020-08-18 20:57:54,452 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 495 517) no Hoare annotation was computed. [2020-08-18 20:57:54,452 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-08-18 20:57:54,452 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-08-18 20:57:54,452 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-08-18 20:57:54,452 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-08-18 20:57:54,452 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-08-18 20:57:54,452 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-08-18 20:57:54,452 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-08-18 20:57:54,453 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-08-18 20:57:54,453 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-08-18 20:57:54,453 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-08-18 20:57:54,453 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-08-18 20:57:54,453 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-08-18 20:57:54,453 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-08-18 20:57:54,453 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-08-18 20:57:54,453 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-08-18 20:57:54,454 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-08-18 20:57:54,454 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 727 736) no Hoare annotation was computed. [2020-08-18 20:57:54,454 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 727 736) no Hoare annotation was computed. [2020-08-18 20:57:54,454 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 727 736) no Hoare annotation was computed. [2020-08-18 20:57:54,454 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:57:54,454 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.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~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 20:57:54,455 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:57:54,455 INFO L268 CegarLoopResult]: For program point L652(line 652) no Hoare annotation was computed. [2020-08-18 20:57:54,455 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 641 657) no Hoare annotation was computed. [2020-08-18 20:57:54,455 INFO L268 CegarLoopResult]: For program point L652-1(lines 641 657) no Hoare annotation was computed. [2020-08-18 20:57:54,455 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 641 657) no Hoare annotation was computed. [2020-08-18 20:57:54,455 INFO L268 CegarLoopResult]: For program point L648(lines 648 654) no Hoare annotation was computed. [2020-08-18 20:57:54,455 INFO L268 CegarLoopResult]: For program point L646(line 646) no Hoare annotation was computed. [2020-08-18 20:57:54,455 INFO L268 CegarLoopResult]: For program point L646-1(line 646) no Hoare annotation was computed. [2020-08-18 20:57:54,456 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 518 526) the Hoare annotation is: true [2020-08-18 20:57:54,456 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 518 526) no Hoare annotation was computed. [2020-08-18 20:57:54,456 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 518 526) no Hoare annotation was computed. [2020-08-18 20:57:54,456 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:57:54,456 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 20:57:54,456 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:57:54,456 INFO L268 CegarLoopResult]: For program point L478-1(lines 474 485) no Hoare annotation was computed. [2020-08-18 20:57:54,456 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 474 485) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-08-18 20:57:54,456 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 474 485) no Hoare annotation was computed. [2020-08-18 20:57:54,457 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 486 494) no Hoare annotation was computed. [2020-08-18 20:57:54,457 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 486 494) no Hoare annotation was computed. [2020-08-18 20:57:54,457 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 486 494) no Hoare annotation was computed. [2020-08-18 20:57:54,457 INFO L264 CegarLoopResult]: At program point L607(line 607) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1))) [2020-08-18 20:57:54,457 INFO L268 CegarLoopResult]: For program point L605(lines 604 623) no Hoare annotation was computed. [2020-08-18 20:57:54,457 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 601 624) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-08-18 20:57:54,457 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 601 624) no Hoare annotation was computed. [2020-08-18 20:57:54,458 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 601 624) no Hoare annotation was computed. [2020-08-18 20:57:54,458 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-08-18 20:57:54,458 INFO L264 CegarLoopResult]: At program point L612(lines 612 618) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-08-18 20:57:54,458 INFO L271 CegarLoopResult]: At program point L768(line 768) the Hoare annotation is: true [2020-08-18 20:57:54,458 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 762 791) no Hoare annotation was computed. [2020-08-18 20:57:54,458 INFO L268 CegarLoopResult]: For program point L768-1(line 768) no Hoare annotation was computed. [2020-08-18 20:57:54,458 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 762 791) the Hoare annotation is: true [2020-08-18 20:57:54,459 INFO L271 CegarLoopResult]: At program point L787(lines 762 791) the Hoare annotation is: true [2020-08-18 20:57:54,459 INFO L268 CegarLoopResult]: For program point L783(line 783) no Hoare annotation was computed. [2020-08-18 20:57:54,459 INFO L268 CegarLoopResult]: For program point L776(lines 776 780) no Hoare annotation was computed. [2020-08-18 20:57:54,459 INFO L271 CegarLoopResult]: At program point L776-1(lines 776 780) the Hoare annotation is: true [2020-08-18 20:57:54,459 INFO L268 CegarLoopResult]: For program point L773(line 773) no Hoare annotation was computed. [2020-08-18 20:57:54,459 INFO L271 CegarLoopResult]: At program point L772-2(lines 772 786) the Hoare annotation is: true [2020-08-18 20:57:54,459 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 450 461) the Hoare annotation is: true [2020-08-18 20:57:54,459 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 450 461) no Hoare annotation was computed. [2020-08-18 20:57:54,460 INFO L268 CegarLoopResult]: For program point L454-1(lines 450 461) no Hoare annotation was computed. [2020-08-18 20:57:54,460 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 816 822) no Hoare annotation was computed. [2020-08-18 20:57:54,460 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 816 822) the Hoare annotation is: true [2020-08-18 20:57:54,460 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:57:54,460 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-18 20:57:54,460 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 20:57:54,460 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:57:54,460 INFO L268 CegarLoopResult]: For program point L466-1(lines 462 473) no Hoare annotation was computed. [2020-08-18 20:57:54,461 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 462 473) no Hoare annotation was computed. [2020-08-18 20:57:54,461 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 462 473) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-08-18 20:57:54,461 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2020-08-18 20:57:54,461 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2020-08-18 20:57:54,461 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2020-08-18 20:57:54,461 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2020-08-18 20:57:54,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 08:57:54 BoogieIcfgContainer [2020-08-18 20:57:54,478 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 20:57:54,480 INFO L168 Benchmark]: Toolchain (without parser) took 24303.68 ms. Allocated memory was 140.0 MB in the beginning and 610.8 MB in the end (delta: 470.8 MB). Free memory was 102.7 MB in the beginning and 234.7 MB in the end (delta: -132.0 MB). Peak memory consumption was 462.3 MB. Max. memory is 7.1 GB. [2020-08-18 20:57:54,480 INFO L168 Benchmark]: CDTParser took 0.17 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: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 20:57:54,481 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.98 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 102.5 MB in the beginning and 171.1 MB in the end (delta: -68.6 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2020-08-18 20:57:54,482 INFO L168 Benchmark]: Boogie Preprocessor took 115.28 ms. Allocated memory is still 203.4 MB. Free memory was 171.1 MB in the beginning and 167.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-18 20:57:54,483 INFO L168 Benchmark]: RCFGBuilder took 1093.74 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 166.4 MB in the beginning and 198.3 MB in the end (delta: -31.9 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2020-08-18 20:57:54,484 INFO L168 Benchmark]: TraceAbstraction took 22474.08 ms. Allocated memory was 235.9 MB in the beginning and 610.8 MB in the end (delta: 374.9 MB). Free memory was 198.3 MB in the beginning and 234.7 MB in the end (delta: -36.4 MB). Peak memory consumption was 461.9 MB. Max. memory is 7.1 GB. [2020-08-18 20:57:54,488 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 615.98 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 102.5 MB in the beginning and 171.1 MB in the end (delta: -68.6 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.28 ms. Allocated memory is still 203.4 MB. Free memory was 171.1 MB in the beginning and 167.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1093.74 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 166.4 MB in the beginning and 198.3 MB in the end (delta: -31.9 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22474.08 ms. Allocated memory was 235.9 MB in the beginning and 610.8 MB in the end (delta: 374.9 MB). Free memory was 198.3 MB in the beginning and 234.7 MB in the end (delta: -36.4 MB). Peak memory consumption was 461.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 772]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: ((((\old(waterLevel) == waterLevel && splverifierCounter == 0) || !(\old(waterLevel) == 1)) || (2 <= waterLevel && splverifierCounter == 0)) || !(pumpRunning == 0)) || !(1 == systemActive) - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(waterLevel) == 1)) || !(pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 201 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.6s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 10.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 411 SDtfs, 688 SDslu, 310 SDs, 0 SdLazy, 1487 SolverSat, 414 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 165 GetRequests, 111 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred 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: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 98 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 188 PreInvPairs, 208 NumberOfFragments, 744 HoareAnnotationTreeSize, 188 FomulaSimplifications, 28451 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 40 FomulaSimplificationsInter, 7844 FormulaSimplificationTreeSizeReductionInter, 7.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 338 ConstructedInterpolants, 0 QuantifiedInterpolants, 100417 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 19/26 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...