/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_spec1_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 20:51:26,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 20:51:26,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 20:51:26,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 20:51:26,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 20:51:26,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 20:51:26,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 20:51:26,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 20:51:26,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 20:51:26,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 20:51:26,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 20:51:26,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 20:51:26,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 20:51:26,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 20:51:26,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 20:51:26,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 20:51:26,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 20:51:26,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 20:51:26,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 20:51:26,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 20:51:26,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 20:51:26,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 20:51:26,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 20:51:26,800 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 20:51:26,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 20:51:26,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 20:51:26,803 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 20:51:26,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 20:51:26,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 20:51:26,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 20:51:26,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 20:51:26,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 20:51:26,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 20:51:26,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 20:51:26,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 20:51:26,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 20:51:26,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 20:51:26,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 20:51:26,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 20:51:26,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 20:51:26,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 20:51:26,813 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 20:51:26,834 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 20:51:26,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 20:51:26,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 20:51:26,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 20:51:26,836 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 20:51:26,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 20:51:26,837 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 20:51:26,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 20:51:26,837 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 20:51:26,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 20:51:26,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 20:51:26,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 20:51:26,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 20:51:26,838 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 20:51:26,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 20:51:26,839 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 20:51:26,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 20:51:26,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 20:51:26,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 20:51:26,839 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 20:51:26,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 20:51:26,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 20:51:26,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 20:51:26,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 20:51:26,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 20:51:26,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 20:51:26,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 20:51:26,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 20:51:26,841 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 20:51:26,841 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 20:51:27,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 20:51:27,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 20:51:27,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 20:51:27,191 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 20:51:27,191 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 20:51:27,192 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product13.cil.c [2020-08-18 20:51:27,246 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4070deb48/76e265c87c4f4a98b2091ac129515f96/FLAG56dfb889d [2020-08-18 20:51:27,807 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 20:51:27,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product13.cil.c [2020-08-18 20:51:27,819 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4070deb48/76e265c87c4f4a98b2091ac129515f96/FLAG56dfb889d [2020-08-18 20:51:28,130 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4070deb48/76e265c87c4f4a98b2091ac129515f96 [2020-08-18 20:51:28,138 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 20:51:28,140 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 20:51:28,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 20:51:28,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 20:51:28,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 20:51:28,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:51:28" (1/1) ... [2020-08-18 20:51:28,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d17223b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:51:28, skipping insertion in model container [2020-08-18 20:51:28,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:51:28" (1/1) ... [2020-08-18 20:51:28,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 20:51:28,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 20:51:28,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:51:28,787 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 20:51:28,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:51:28,945 INFO L208 MainTranslator]: Completed translation [2020-08-18 20:51:28,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:51:28 WrapperNode [2020-08-18 20:51:28,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 20:51:28,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 20:51:28,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 20:51:28,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 20:51:28,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:51:28" (1/1) ... [2020-08-18 20:51:28,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:51:28" (1/1) ... [2020-08-18 20:51:28,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:51:28" (1/1) ... [2020-08-18 20:51:28,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:51:28" (1/1) ... [2020-08-18 20:51:29,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:51:28" (1/1) ... [2020-08-18 20:51:29,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:51:28" (1/1) ... [2020-08-18 20:51:29,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:51:28" (1/1) ... [2020-08-18 20:51:29,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 20:51:29,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 20:51:29,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 20:51:29,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 20:51:29,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:51:28" (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 20:51:29,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 20:51:29,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 20:51:29,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 20:51:29,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 20:51:29,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 20:51:29,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 20:51:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 20:51:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 20:51:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 20:51:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 20:51:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 20:51:29,104 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 20:51:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 20:51:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 20:51:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 20:51:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 20:51:29,105 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 20:51:29,106 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 20:51:29,106 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 20:51:29,106 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 20:51:29,106 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 20:51:29,106 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 20:51:29,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 20:51:29,107 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 20:51:29,107 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 20:51:29,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-18 20:51:29,107 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 20:51:29,107 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 20:51:29,108 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 20:51:29,108 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 20:51:29,108 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-18 20:51:29,108 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 20:51:29,108 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 20:51:29,109 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 20:51:29,109 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 20:51:29,109 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 20:51:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 20:51:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 20:51:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 20:51:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 20:51:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 20:51:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 20:51:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 20:51:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 20:51:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 20:51:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 20:51:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 20:51:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 20:51:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 20:51:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 20:51:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 20:51:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 20:51:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 20:51:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 20:51:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 20:51:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 20:51:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 20:51:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 20:51:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 20:51:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 20:51:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 20:51:29,119 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 20:51:29,119 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 20:51:29,119 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 20:51:29,119 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 20:51:29,119 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 20:51:29,119 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 20:51:29,119 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 20:51:29,120 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 20:51:29,120 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 20:51:29,120 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 20:51:29,120 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 20:51:29,121 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 20:51:29,121 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 20:51:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 20:51:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 20:51:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-18 20:51:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 20:51:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 20:51:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 20:51:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 20:51:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 20:51:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-18 20:51:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 20:51:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 20:51:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 20:51:30,174 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 20:51:30,174 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 20:51:30,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:51:30 BoogieIcfgContainer [2020-08-18 20:51:30,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 20:51:30,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 20:51:30,186 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 20:51:30,190 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 20:51:30,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 08:51:28" (1/3) ... [2020-08-18 20:51:30,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bd9d8e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:51:30, skipping insertion in model container [2020-08-18 20:51:30,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:51:28" (2/3) ... [2020-08-18 20:51:30,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bd9d8e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:51:30, skipping insertion in model container [2020-08-18 20:51:30,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:51:30" (3/3) ... [2020-08-18 20:51:30,193 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product13.cil.c [2020-08-18 20:51:30,204 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 20:51:30,213 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 20:51:30,225 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 20:51:30,245 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 20:51:30,245 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 20:51:30,246 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 20:51:30,246 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 20:51:30,246 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 20:51:30,246 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 20:51:30,246 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 20:51:30,246 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 20:51:30,266 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states. [2020-08-18 20:51:30,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 20:51:30,276 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:51:30,276 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 20:51:30,277 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:51:30,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:51:30,282 INFO L82 PathProgramCache]: Analyzing trace with hash -655314602, now seen corresponding path program 1 times [2020-08-18 20:51:30,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:51:30,290 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [238973948] [2020-08-18 20:51:30,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:51:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:30,987 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:51:30,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:51:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:31,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:51:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:31,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:51:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:31,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:51:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:31,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:51:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:31,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 20:51:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:31,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 20:51:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:31,066 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 20:51:31,070 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [238973948] [2020-08-18 20:51:31,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:51:31,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 20:51:31,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611268659] [2020-08-18 20:51:31,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 20:51:31,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:51:31,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 20:51:31,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 20:51:31,100 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 3 states. [2020-08-18 20:51:32,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:51:32,176 INFO L93 Difference]: Finished difference Result 237 states and 317 transitions. [2020-08-18 20:51:32,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 20:51:32,179 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 20:51:32,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:51:32,205 INFO L225 Difference]: With dead ends: 237 [2020-08-18 20:51:32,206 INFO L226 Difference]: Without dead ends: 129 [2020-08-18 20:51:32,212 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 20:51:32,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-08-18 20:51:32,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 99. [2020-08-18 20:51:32,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-18 20:51:32,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 116 transitions. [2020-08-18 20:51:32,365 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 116 transitions. Word has length 46 [2020-08-18 20:51:32,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:51:32,365 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 116 transitions. [2020-08-18 20:51:32,365 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 20:51:32,366 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 116 transitions. [2020-08-18 20:51:32,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 20:51:32,369 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:51:32,369 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 20:51:32,370 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 20:51:32,370 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:51:32,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:51:32,370 INFO L82 PathProgramCache]: Analyzing trace with hash 680244835, now seen corresponding path program 1 times [2020-08-18 20:51:32,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:51:32,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095992795] [2020-08-18 20:51:32,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:51:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:32,681 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:51:32,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:51:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:32,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:51:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:32,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:51:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:32,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:51:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:32,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:51:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:32,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 20:51:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:32,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 20:51:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:32,737 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 20:51:32,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1095992795] [2020-08-18 20:51:32,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:51:32,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 20:51:32,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916679265] [2020-08-18 20:51:32,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 20:51:32,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:51:32,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 20:51:32,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 20:51:32,743 INFO L87 Difference]: Start difference. First operand 99 states and 116 transitions. Second operand 4 states. [2020-08-18 20:51:33,144 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:51:33,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:51:33,812 INFO L93 Difference]: Finished difference Result 170 states and 208 transitions. [2020-08-18 20:51:33,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 20:51:33,815 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 20:51:33,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:51:33,821 INFO L225 Difference]: With dead ends: 170 [2020-08-18 20:51:33,822 INFO L226 Difference]: Without dead ends: 113 [2020-08-18 20:51:33,825 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 20:51:33,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-08-18 20:51:33,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 90. [2020-08-18 20:51:33,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-08-18 20:51:33,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2020-08-18 20:51:33,916 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 47 [2020-08-18 20:51:33,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:51:33,917 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2020-08-18 20:51:33,917 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 20:51:33,917 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2020-08-18 20:51:33,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 20:51:33,925 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:51:33,925 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 20:51:33,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 20:51:33,926 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:51:33,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:51:33,926 INFO L82 PathProgramCache]: Analyzing trace with hash -361884353, now seen corresponding path program 1 times [2020-08-18 20:51:33,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:51:33,930 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1787966957] [2020-08-18 20:51:33,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:51:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:34,271 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:51:34,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:51:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:34,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:51:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:34,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:51:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:34,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:51:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:34,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:51:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:34,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 20:51:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:34,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 20:51:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:34,369 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 20:51:34,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1787966957] [2020-08-18 20:51:34,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:51:34,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 20:51:34,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803800015] [2020-08-18 20:51:34,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 20:51:34,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:51:34,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 20:51:34,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 20:51:34,372 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 8 states. [2020-08-18 20:51:34,703 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:51:35,025 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:51:35,267 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:51:35,508 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:51:36,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:51:36,373 INFO L93 Difference]: Finished difference Result 179 states and 222 transitions. [2020-08-18 20:51:36,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 20:51:36,374 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-18 20:51:36,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:51:36,379 INFO L225 Difference]: With dead ends: 179 [2020-08-18 20:51:36,380 INFO L226 Difference]: Without dead ends: 113 [2020-08-18 20:51:36,383 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 20:51:36,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-08-18 20:51:36,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 90. [2020-08-18 20:51:36,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-08-18 20:51:36,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2020-08-18 20:51:36,434 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 51 [2020-08-18 20:51:36,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:51:36,441 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2020-08-18 20:51:36,441 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 20:51:36,441 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2020-08-18 20:51:36,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-18 20:51:36,444 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:51:36,448 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:51:36,448 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 20:51:36,448 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:51:36,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:51:36,449 INFO L82 PathProgramCache]: Analyzing trace with hash -670224991, now seen corresponding path program 1 times [2020-08-18 20:51:36,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:51:36,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [761015039] [2020-08-18 20:51:36,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:51:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:36,806 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:51:36,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:51:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:36,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:51:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:36,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:51:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:36,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:51:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:36,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:51:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:36,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-18 20:51:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:36,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 20:51:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:36,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-18 20:51:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:36,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 20:51:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:36,886 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 20:51:36,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [761015039] [2020-08-18 20:51:36,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:51:36,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 20:51:36,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92200762] [2020-08-18 20:51:36,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 20:51:36,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:51:36,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 20:51:36,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 20:51:36,888 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand 8 states. [2020-08-18 20:51:37,252 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:51:38,019 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:51:38,349 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:51:38,858 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:51:39,084 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:51:39,441 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:51:39,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:51:39,856 INFO L93 Difference]: Finished difference Result 279 states and 369 transitions. [2020-08-18 20:51:39,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 20:51:39,858 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-08-18 20:51:39,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:51:39,862 INFO L225 Difference]: With dead ends: 279 [2020-08-18 20:51:39,862 INFO L226 Difference]: Without dead ends: 213 [2020-08-18 20:51:39,863 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-18 20:51:39,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-08-18 20:51:39,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 147. [2020-08-18 20:51:39,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-08-18 20:51:39,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 172 transitions. [2020-08-18 20:51:39,904 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 172 transitions. Word has length 59 [2020-08-18 20:51:39,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:51:39,905 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 172 transitions. [2020-08-18 20:51:39,905 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 20:51:39,905 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions. [2020-08-18 20:51:39,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-18 20:51:39,907 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:51:39,907 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:51:39,907 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 20:51:39,907 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:51:39,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:51:39,908 INFO L82 PathProgramCache]: Analyzing trace with hash 38376037, now seen corresponding path program 1 times [2020-08-18 20:51:39,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:51:39,908 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [843199214] [2020-08-18 20:51:39,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:51:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:40,183 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:51:40,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:51:40,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:40,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:51:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:40,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:51:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:40,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:51:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:40,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:51:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:40,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-18 20:51:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:40,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 20:51:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:40,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 20:51:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:40,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 20:51:40,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:40,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 20:51:40,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:40,269 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 20:51:40,269 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [843199214] [2020-08-18 20:51:40,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:51:40,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 20:51:40,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114755600] [2020-08-18 20:51:40,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 20:51:40,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:51:40,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 20:51:40,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 20:51:40,272 INFO L87 Difference]: Start difference. First operand 147 states and 172 transitions. Second operand 9 states. [2020-08-18 20:51:40,725 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:51:41,570 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:51:41,816 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:51:42,052 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:51:42,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:51:42,215 INFO L93 Difference]: Finished difference Result 263 states and 328 transitions. [2020-08-18 20:51:42,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 20:51:42,216 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-08-18 20:51:42,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:51:42,217 INFO L225 Difference]: With dead ends: 263 [2020-08-18 20:51:42,220 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 20:51:42,222 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-08-18 20:51:42,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 20:51:42,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 20:51:42,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 20:51:42,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 20:51:42,227 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-08-18 20:51:42,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:51:42,227 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 20:51:42,227 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 20:51:42,227 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 20:51:42,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 20:51:42,231 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 20:51:42,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 20:51:44,039 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-18 20:51:44,210 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 20:51:44,373 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-08-18 20:51:44,663 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-18 20:51:44,988 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-18 20:51:45,151 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-08-18 20:51:45,315 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 20:51:45,479 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 20:51:45,765 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-18 20:51:45,923 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 20:51:46,081 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 20:51:46,243 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 20:51:46,541 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:51:46,699 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 20:51:47,010 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-18 20:51:47,339 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-08-18 20:51:47,495 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 20:51:47,697 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 20:51:48,016 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-18 20:51:48,190 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 20:51:48,217 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-08-18 20:51:48,217 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-08-18 20:51:48,217 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-18 20:51:48,217 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-08-18 20:51:48,218 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-08-18 20:51:48,218 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-08-18 20:51:48,218 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-08-18 20:51:48,218 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-08-18 20:51:48,218 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-18 20:51:48,218 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-08-18 20:51:48,219 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-08-18 20:51:48,219 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-08-18 20:51:48,219 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-08-18 20:51:48,219 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-18 20:51:48,219 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-08-18 20:51:48,219 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-08-18 20:51:48,219 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-08-18 20:51:48,219 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-08-18 20:51:48,220 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 522 528) the Hoare annotation is: true [2020-08-18 20:51:48,220 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 522 528) no Hoare annotation was computed. [2020-08-18 20:51:48,220 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 529 537) no Hoare annotation was computed. [2020-08-18 20:51:48,220 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 529 537) the Hoare annotation is: true [2020-08-18 20:51:48,220 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 529 537) no Hoare annotation was computed. [2020-08-18 20:51:48,220 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 614 636) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 20:51:48,220 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 614 636) no Hoare annotation was computed. [2020-08-18 20:51:48,220 INFO L264 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 20:51:48,221 INFO L264 CegarLoopResult]: At program point L626-1(line 626) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 20:51:48,221 INFO L268 CegarLoopResult]: For program point L624(lines 624 631) no Hoare annotation was computed. [2020-08-18 20:51:48,221 INFO L268 CegarLoopResult]: For program point L624-1(lines 624 631) no Hoare annotation was computed. [2020-08-18 20:51:48,221 INFO L268 CegarLoopResult]: For program point L622(line 622) no Hoare annotation was computed. [2020-08-18 20:51:48,221 INFO L264 CegarLoopResult]: At program point L621(line 621) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 20:51:48,221 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 614 636) no Hoare annotation was computed. [2020-08-18 20:51:48,222 INFO L264 CegarLoopResult]: At program point L620(line 620) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 20:51:48,222 INFO L264 CegarLoopResult]: At program point L620-1(line 620) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 20:51:48,222 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-18 20:51:48,222 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 572 595) no Hoare annotation was computed. [2020-08-18 20:51:48,222 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 572 595) no Hoare annotation was computed. [2020-08-18 20:51:48,222 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 572 595) no Hoare annotation was computed. [2020-08-18 20:51:48,222 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-08-18 20:51:48,222 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-18 20:51:48,223 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-08-18 20:51:48,223 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-18 20:51:48,223 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-18 20:51:48,223 INFO L268 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-08-18 20:51:48,223 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-08-18 20:51:48,223 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-18 20:51:48,223 INFO L268 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-08-18 20:51:48,223 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-08-18 20:51:48,224 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-18 20:51:48,224 INFO L268 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-08-18 20:51:48,224 INFO L268 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-08-18 20:51:48,224 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 759 765) no Hoare annotation was computed. [2020-08-18 20:51:48,224 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 759 765) the Hoare annotation is: true [2020-08-18 20:51:48,224 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 792 799) no Hoare annotation was computed. [2020-08-18 20:51:48,224 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 792 799) no Hoare annotation was computed. [2020-08-18 20:51:48,224 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 792 799) no Hoare annotation was computed. [2020-08-18 20:51:48,224 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 836 844) no Hoare annotation was computed. [2020-08-18 20:51:48,225 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 836 844) the Hoare annotation is: true [2020-08-18 20:51:48,225 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 836 844) no Hoare annotation was computed. [2020-08-18 20:51:48,225 INFO L268 CegarLoopResult]: For program point L864(lines 864 872) no Hoare annotation was computed. [2020-08-18 20:51:48,225 INFO L268 CegarLoopResult]: For program point L864-2(lines 864 872) no Hoare annotation was computed. [2020-08-18 20:51:48,225 INFO L268 CegarLoopResult]: For program point L852(lines 852 860) no Hoare annotation was computed. [2020-08-18 20:51:48,225 INFO L268 CegarLoopResult]: For program point L852-2(lines 852 860) no Hoare annotation was computed. [2020-08-18 20:51:48,225 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 845 880) no Hoare annotation was computed. [2020-08-18 20:51:48,225 INFO L268 CegarLoopResult]: For program point L875(line 875) no Hoare annotation was computed. [2020-08-18 20:51:48,225 INFO L268 CegarLoopResult]: For program point L875-1(line 875) no Hoare annotation was computed. [2020-08-18 20:51:48,225 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 845 880) no Hoare annotation was computed. [2020-08-18 20:51:48,225 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 845 880) no Hoare annotation was computed. [2020-08-18 20:51:48,225 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 515 521) no Hoare annotation was computed. [2020-08-18 20:51:48,226 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 515 521) the Hoare annotation is: true [2020-08-18 20:51:48,226 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-08-18 20:51:48,226 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-08-18 20:51:48,226 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-08-18 20:51:48,226 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-08-18 20:51:48,226 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-08-18 20:51:48,226 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-08-18 20:51:48,226 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-08-18 20:51:48,226 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-08-18 20:51:48,226 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-08-18 20:51:48,226 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 604 613) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 20:51:48,227 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 604 613) no Hoare annotation was computed. [2020-08-18 20:51:48,227 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 604 613) no Hoare annotation was computed. [2020-08-18 20:51:48,227 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 825 835) the Hoare annotation is: true [2020-08-18 20:51:48,227 INFO L271 CegarLoopResult]: At program point L830(line 830) the Hoare annotation is: true [2020-08-18 20:51:48,227 INFO L268 CegarLoopResult]: For program point L830-1(line 830) no Hoare annotation was computed. [2020-08-18 20:51:48,227 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 825 835) no Hoare annotation was computed. [2020-08-18 20:51:48,227 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 825 835) no Hoare annotation was computed. [2020-08-18 20:51:48,227 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 817 824) the Hoare annotation is: true [2020-08-18 20:51:48,227 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 817 824) no Hoare annotation was computed. [2020-08-18 20:51:48,227 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 817 824) no Hoare annotation was computed. [2020-08-18 20:51:48,227 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 767 791) no Hoare annotation was computed. [2020-08-18 20:51:48,228 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 767 791) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:51:48,228 INFO L264 CegarLoopResult]: At program point L786(line 786) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:51:48,228 INFO L268 CegarLoopResult]: For program point L786-1(lines 767 791) no Hoare annotation was computed. [2020-08-18 20:51:48,228 INFO L264 CegarLoopResult]: At program point L781(line 781) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:51:48,228 INFO L264 CegarLoopResult]: At program point L777(line 777) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:51:48,228 INFO L268 CegarLoopResult]: For program point L775(lines 775 783) no Hoare annotation was computed. [2020-08-18 20:51:48,228 INFO L264 CegarLoopResult]: At program point L773(line 773) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:51:48,228 INFO L268 CegarLoopResult]: For program point L773-1(line 773) no Hoare annotation was computed. [2020-08-18 20:51:48,228 INFO L268 CegarLoopResult]: For program point L771(lines 771 788) no Hoare annotation was computed. [2020-08-18 20:51:48,229 INFO L264 CegarLoopResult]: At program point testENTRY(lines 665 728) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 20:51:48,229 INFO L268 CegarLoopResult]: For program point testFINAL(lines 665 728) no Hoare annotation was computed. [2020-08-18 20:51:48,229 INFO L264 CegarLoopResult]: At program point L721(lines 674 722) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 20:51:48,229 INFO L268 CegarLoopResult]: For program point L711(lines 711 715) no Hoare annotation was computed. [2020-08-18 20:51:48,229 INFO L264 CegarLoopResult]: At program point L711-2(lines 705 716) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 20:51:48,229 INFO L268 CegarLoopResult]: For program point L676(lines 675 720) no Hoare annotation was computed. [2020-08-18 20:51:48,229 INFO L268 CegarLoopResult]: For program point L705(lines 705 716) no Hoare annotation was computed. [2020-08-18 20:51:48,230 INFO L264 CegarLoopResult]: At program point L697(line 697) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 20:51:48,230 INFO L268 CegarLoopResult]: For program point L695(lines 695 701) no Hoare annotation was computed. [2020-08-18 20:51:48,230 INFO L268 CegarLoopResult]: For program point L695-1(lines 695 701) no Hoare annotation was computed. [2020-08-18 20:51:48,230 INFO L264 CegarLoopResult]: At program point L687(line 687) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 20:51:48,230 INFO L264 CegarLoopResult]: At program point L718(lines 675 720) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 20:51:48,230 INFO L268 CegarLoopResult]: For program point L685(lines 685 691) no Hoare annotation was computed. [2020-08-18 20:51:48,230 INFO L268 CegarLoopResult]: For program point L685-1(lines 685 691) no Hoare annotation was computed. [2020-08-18 20:51:48,231 INFO L268 CegarLoopResult]: For program point L677(lines 677 681) no Hoare annotation was computed. [2020-08-18 20:51:48,231 INFO L268 CegarLoopResult]: For program point testEXIT(lines 665 728) no Hoare annotation was computed. [2020-08-18 20:51:48,231 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-08-18 20:51:48,231 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-08-18 20:51:48,231 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-08-18 20:51:48,231 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-08-18 20:51:48,231 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-08-18 20:51:48,231 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-08-18 20:51:48,232 INFO L268 CegarLoopResult]: For program point L467-2(lines 467 475) no Hoare annotation was computed. [2020-08-18 20:51:48,232 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 459 481) no Hoare annotation was computed. [2020-08-18 20:51:48,232 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 459 481) no Hoare annotation was computed. [2020-08-18 20:51:48,232 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 459 481) no Hoare annotation was computed. [2020-08-18 20:51:48,232 INFO L268 CegarLoopResult]: For program point L467(lines 467 475) no Hoare annotation was computed. [2020-08-18 20:51:48,232 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-08-18 20:51:48,232 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-08-18 20:51:48,232 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-08-18 20:51:48,233 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-08-18 20:51:48,233 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-08-18 20:51:48,233 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-08-18 20:51:48,233 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-08-18 20:51:48,233 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-08-18 20:51:48,233 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-08-18 20:51:48,233 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-08-18 20:51:48,233 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-08-18 20:51:48,234 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-08-18 20:51:48,234 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-08-18 20:51:48,234 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-08-18 20:51:48,234 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-08-18 20:51:48,234 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-08-18 20:51:48,234 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 505 514) no Hoare annotation was computed. [2020-08-18 20:51:48,234 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 505 514) no Hoare annotation was computed. [2020-08-18 20:51:48,234 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 505 514) no Hoare annotation was computed. [2020-08-18 20:51:48,234 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:51:48,235 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#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~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string59.base| |old(#t~string59.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~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 20:51:48,235 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:51:48,235 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 800 816) no Hoare annotation was computed. [2020-08-18 20:51:48,235 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-08-18 20:51:48,235 INFO L268 CegarLoopResult]: For program point L811-1(lines 800 816) no Hoare annotation was computed. [2020-08-18 20:51:48,235 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 800 816) no Hoare annotation was computed. [2020-08-18 20:51:48,236 INFO L268 CegarLoopResult]: For program point L807(lines 807 813) no Hoare annotation was computed. [2020-08-18 20:51:48,236 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-08-18 20:51:48,236 INFO L268 CegarLoopResult]: For program point L805-1(line 805) no Hoare annotation was computed. [2020-08-18 20:51:48,236 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 482 490) no Hoare annotation was computed. [2020-08-18 20:51:48,236 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 482 490) no Hoare annotation was computed. [2020-08-18 20:51:48,236 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 482 490) no Hoare annotation was computed. [2020-08-18 20:51:48,236 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:51:48,236 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 20:51:48,236 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:51:48,237 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 438 449) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 20:51:48,237 INFO L268 CegarLoopResult]: For program point L442-1(lines 438 449) no Hoare annotation was computed. [2020-08-18 20:51:48,237 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 438 449) no Hoare annotation was computed. [2020-08-18 20:51:48,237 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 450 458) the Hoare annotation is: true [2020-08-18 20:51:48,237 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 450 458) no Hoare annotation was computed. [2020-08-18 20:51:48,237 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 450 458) no Hoare annotation was computed. [2020-08-18 20:51:48,237 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 735 758) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:51:48,237 INFO L264 CegarLoopResult]: At program point L748(line 748) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:51:48,238 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 735 758) no Hoare annotation was computed. [2020-08-18 20:51:48,238 INFO L264 CegarLoopResult]: At program point L746(lines 746 752) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:51:48,238 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 735 758) no Hoare annotation was computed. [2020-08-18 20:51:48,238 INFO L264 CegarLoopResult]: At program point L741(line 741) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:51:48,238 INFO L268 CegarLoopResult]: For program point L739(lines 738 757) no Hoare annotation was computed. [2020-08-18 20:51:48,238 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 541 570) no Hoare annotation was computed. [2020-08-18 20:51:48,238 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 541 570) the Hoare annotation is: true [2020-08-18 20:51:48,238 INFO L271 CegarLoopResult]: At program point L566(lines 541 570) the Hoare annotation is: true [2020-08-18 20:51:48,239 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-18 20:51:48,239 INFO L268 CegarLoopResult]: For program point L555(lines 555 559) no Hoare annotation was computed. [2020-08-18 20:51:48,239 INFO L271 CegarLoopResult]: At program point L555-1(lines 555 559) the Hoare annotation is: true [2020-08-18 20:51:48,239 INFO L268 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-08-18 20:51:48,239 INFO L271 CegarLoopResult]: At program point L551-2(lines 551 565) the Hoare annotation is: true [2020-08-18 20:51:48,239 INFO L271 CegarLoopResult]: At program point L547(line 547) the Hoare annotation is: true [2020-08-18 20:51:48,239 INFO L268 CegarLoopResult]: For program point L547-1(line 547) no Hoare annotation was computed. [2020-08-18 20:51:48,239 INFO L268 CegarLoopResult]: For program point L418-1(lines 414 425) no Hoare annotation was computed. [2020-08-18 20:51:48,239 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 414 425) the Hoare annotation is: true [2020-08-18 20:51:48,240 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 414 425) no Hoare annotation was computed. [2020-08-18 20:51:48,240 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 596 602) no Hoare annotation was computed. [2020-08-18 20:51:48,240 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 596 602) the Hoare annotation is: true [2020-08-18 20:51:48,240 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:51:48,240 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 20:51:48,240 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 20:51:48,240 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:51:48,240 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 426 437) no Hoare annotation was computed. [2020-08-18 20:51:48,240 INFO L268 CegarLoopResult]: For program point L430-1(lines 426 437) no Hoare annotation was computed. [2020-08-18 20:51:48,241 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 426 437) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 20:51:48,241 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 492 499) no Hoare annotation was computed. [2020-08-18 20:51:48,241 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2020-08-18 20:51:48,241 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 492 499) the Hoare annotation is: true [2020-08-18 20:51:48,241 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 492 499) no Hoare annotation was computed. [2020-08-18 20:51:48,241 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 639 663) the Hoare annotation is: true [2020-08-18 20:51:48,241 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 639 663) no Hoare annotation was computed. [2020-08-18 20:51:48,242 INFO L264 CegarLoopResult]: At program point L653(line 653) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 20:51:48,242 INFO L268 CegarLoopResult]: For program point L651(lines 651 657) no Hoare annotation was computed. [2020-08-18 20:51:48,242 INFO L264 CegarLoopResult]: At program point L649(line 649) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 20:51:48,242 INFO L268 CegarLoopResult]: For program point L649-1(line 649) no Hoare annotation was computed. [2020-08-18 20:51:48,242 INFO L268 CegarLoopResult]: For program point L647(lines 647 660) no Hoare annotation was computed. [2020-08-18 20:51:48,242 INFO L268 CegarLoopResult]: For program point L647-1(lines 639 663) no Hoare annotation was computed. [2020-08-18 20:51:48,242 INFO L271 CegarLoopResult]: At program point L645(line 645) the Hoare annotation is: true [2020-08-18 20:51:48,243 INFO L268 CegarLoopResult]: For program point L645-1(line 645) no Hoare annotation was computed. [2020-08-18 20:51:48,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 08:51:48 BoogieIcfgContainer [2020-08-18 20:51:48,259 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 20:51:48,261 INFO L168 Benchmark]: Toolchain (without parser) took 20120.59 ms. Allocated memory was 145.2 MB in the beginning and 587.7 MB in the end (delta: 442.5 MB). Free memory was 100.3 MB in the beginning and 396.3 MB in the end (delta: -296.0 MB). Peak memory consumption was 421.2 MB. Max. memory is 7.1 GB. [2020-08-18 20:51:48,262 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.2 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 20:51:48,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 804.99 ms. Allocated memory was 145.2 MB in the beginning and 200.8 MB in the end (delta: 55.6 MB). Free memory was 100.1 MB in the beginning and 166.1 MB in the end (delta: -66.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2020-08-18 20:51:48,263 INFO L168 Benchmark]: Boogie Preprocessor took 89.33 ms. Allocated memory is still 200.8 MB. Free memory was 166.1 MB in the beginning and 161.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-18 20:51:48,264 INFO L168 Benchmark]: RCFGBuilder took 1147.12 ms. Allocated memory was 200.8 MB in the beginning and 231.7 MB in the end (delta: 30.9 MB). Free memory was 161.9 MB in the beginning and 194.0 MB in the end (delta: -32.0 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2020-08-18 20:51:48,265 INFO L168 Benchmark]: TraceAbstraction took 18072.65 ms. Allocated memory was 231.7 MB in the beginning and 587.7 MB in the end (delta: 356.0 MB). Free memory was 194.0 MB in the beginning and 396.3 MB in the end (delta: -202.3 MB). Peak memory consumption was 428.4 MB. Max. memory is 7.1 GB. [2020-08-18 20:51:48,269 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 145.2 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 804.99 ms. Allocated memory was 145.2 MB in the beginning and 200.8 MB in the end (delta: 55.6 MB). Free memory was 100.1 MB in the beginning and 166.1 MB in the end (delta: -66.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.33 ms. Allocated memory is still 200.8 MB. Free memory was 166.1 MB in the beginning and 161.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1147.12 ms. Allocated memory was 200.8 MB in the beginning and 231.7 MB in the end (delta: 30.9 MB). Free memory was 161.9 MB in the beginning and 194.0 MB in the end (delta: -32.0 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18072.65 ms. Allocated memory was 231.7 MB in the beginning and 587.7 MB in the end (delta: 356.0 MB). Free memory was 194.0 MB in the beginning and 396.3 MB in the end (delta: -202.3 MB). Peak memory consumption was 428.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 496]: 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: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 401 SDtfs, 621 SDslu, 259 SDs, 0 SdLazy, 1466 SolverSat, 401 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 142 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 235 PreInvPairs, 261 NumberOfFragments, 651 HoareAnnotationTreeSize, 235 FomulaSimplifications, 33793 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 48 FomulaSimplificationsInter, 7142 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 74058 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...