/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:01:26,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:01:26,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:01:26,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:01:26,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:01:26,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:01:26,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:01:26,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:01:26,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:01:26,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:01:26,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:01:26,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:01:26,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:01:26,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:01:26,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:01:26,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:01:26,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:01:26,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:01:26,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:01:26,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:01:26,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:01:26,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:01:26,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:01:26,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:01:26,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:01:26,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:01:26,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:01:26,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:01:26,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:01:26,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:01:26,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:01:26,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:01:26,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:01:26,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:01:26,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:01:26,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:01:26,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:01:26,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:01:26,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:01:26,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:01:26,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:01:26,777 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 13:01:26,793 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:01:26,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:01:26,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:01:26,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:01:26,795 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:01:26,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:01:26,795 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:01:26,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:01:26,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:01:26,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:01:26,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:01:26,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:01:26,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:01:26,796 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:01:26,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:01:26,797 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:01:26,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:01:26,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:01:26,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:01:26,797 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:01:26,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:01:26,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:01:26,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:01:26,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:01:26,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:01:26,799 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:01:26,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:26,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:01:26,799 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:01:26,800 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 -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 13:01:27,132 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:01:27,146 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:01:27,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:01:27,151 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:01:27,152 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:01:27,153 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product15.cil.c [2020-07-20 13:01:27,236 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8e5e1f2d/a5cfcf0100a6476080c6e1d578c163cd/FLAGb9e919ff8 [2020-07-20 13:01:27,776 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:01:27,776 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product15.cil.c [2020-07-20 13:01:27,791 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8e5e1f2d/a5cfcf0100a6476080c6e1d578c163cd/FLAGb9e919ff8 [2020-07-20 13:01:28,054 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8e5e1f2d/a5cfcf0100a6476080c6e1d578c163cd [2020-07-20 13:01:28,065 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:01:28,068 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:01:28,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:01:28,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:01:28,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:01:28,076 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:01:28" (1/1) ... [2020-07-20 13:01:28,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211823ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:28, skipping insertion in model container [2020-07-20 13:01:28,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:01:28" (1/1) ... [2020-07-20 13:01:28,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:01:28,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:01:28,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:01:28,599 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:01:28,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:01:28,741 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:01:28,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:28 WrapperNode [2020-07-20 13:01:28,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:01:28,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:01:28,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:01:28,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:01:28,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:28" (1/1) ... [2020-07-20 13:01:28,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:28" (1/1) ... [2020-07-20 13:01:28,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:28" (1/1) ... [2020-07-20 13:01:28,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:28" (1/1) ... [2020-07-20 13:01:28,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:28" (1/1) ... [2020-07-20 13:01:28,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:28" (1/1) ... [2020-07-20 13:01:28,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:28" (1/1) ... [2020-07-20 13:01:28,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:01:28,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:01:28,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:01:28,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:01:28,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-20 13:01:28,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:01:28,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:01:28,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:01:28,919 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:01:28,919 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 13:01:28,919 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:01:28,920 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-07-20 13:01:28,920 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:01:28,920 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:01:28,920 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:01:28,920 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:01:28,920 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:01:28,921 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 13:01:28,921 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:01:28,921 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:01:28,921 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:01:28,921 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:01:28,921 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:01:28,922 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:01:28,922 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:01:28,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:01:28,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:01:28,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:01:28,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:01:28,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:01:28,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:01:28,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:01:28,923 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:01:28,923 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:01:28,923 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:01:28,923 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:01:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 13:01:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 13:01:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:01:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:01:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:01:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:01:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:01:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:01:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:01:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:01:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:01:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:01:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:01:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:01:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:01:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:01:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:01:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:01:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 13:01:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 13:01:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:01:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 13:01:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:01:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-07-20 13:01:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:01:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:01:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:01:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:01:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:01:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:01:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:01:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:01:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:01:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:01:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:01:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:01:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:01:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:01:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:01:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:01:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:01:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:01:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:01:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:01:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:01:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:01:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:01:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:01:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:01:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:01:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:01:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 13:01:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:01:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:01:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:01:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:01:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:01:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:01:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:01:29,913 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:01:29,914 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:01:29,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:01:29 BoogieIcfgContainer [2020-07-20 13:01:29,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:01:29,921 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:01:29,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:01:29,924 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:01:29,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:01:28" (1/3) ... [2020-07-20 13:01:29,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6303d4db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:01:29, skipping insertion in model container [2020-07-20 13:01:29,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:28" (2/3) ... [2020-07-20 13:01:29,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6303d4db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:01:29, skipping insertion in model container [2020-07-20 13:01:29,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:01:29" (3/3) ... [2020-07-20 13:01:29,928 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product15.cil.c [2020-07-20 13:01:29,939 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:01:29,953 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:01:29,968 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:01:29,991 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:01:29,991 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:01:29,991 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:01:29,991 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:01:29,992 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:01:29,992 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:01:29,992 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:01:29,992 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:01:30,016 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2020-07-20 13:01:30,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 13:01:30,026 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:30,028 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] [2020-07-20 13:01:30,028 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:30,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:30,035 INFO L82 PathProgramCache]: Analyzing trace with hash -936458787, now seen corresponding path program 1 times [2020-07-20 13:01:30,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:30,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [732974987] [2020-07-20 13:01:30,046 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:30,553 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:01:30,554 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:30,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:01:30,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:30,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:01:30,603 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:30,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [732974987] [2020-07-20 13:01:30,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:30,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:01:30,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108849650] [2020-07-20 13:01:30,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:01:30,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:30,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:01:30,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:01:30,632 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 2 states. [2020-07-20 13:01:30,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:30,676 INFO L93 Difference]: Finished difference Result 216 states and 273 transitions. [2020-07-20 13:01:30,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:01:30,677 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 13:01:30,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:30,691 INFO L225 Difference]: With dead ends: 216 [2020-07-20 13:01:30,692 INFO L226 Difference]: Without dead ends: 110 [2020-07-20 13:01:30,696 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:01:30,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-07-20 13:01:30,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-07-20 13:01:30,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-07-20 13:01:30,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 130 transitions. [2020-07-20 13:01:30,754 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 130 transitions. Word has length 51 [2020-07-20 13:01:30,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:30,755 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 130 transitions. [2020-07-20 13:01:30,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:01:30,755 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 130 transitions. [2020-07-20 13:01:30,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 13:01:30,759 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:30,759 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:01:30,973 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:30,973 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:30,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:30,974 INFO L82 PathProgramCache]: Analyzing trace with hash -137557085, now seen corresponding path program 1 times [2020-07-20 13:01:30,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:30,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1172483987] [2020-07-20 13:01:30,976 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:31,423 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:01:31,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:31,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:01:31,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:31,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:01:31,464 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:31,464 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1172483987] [2020-07-20 13:01:31,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:31,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:01:31,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831411863] [2020-07-20 13:01:31,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:01:31,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:31,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:01:31,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:31,468 INFO L87 Difference]: Start difference. First operand 110 states and 130 transitions. Second operand 3 states. [2020-07-20 13:01:31,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:31,487 INFO L93 Difference]: Finished difference Result 159 states and 187 transitions. [2020-07-20 13:01:31,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:01:31,488 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 13:01:31,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:31,492 INFO L225 Difference]: With dead ends: 159 [2020-07-20 13:01:31,493 INFO L226 Difference]: Without dead ends: 101 [2020-07-20 13:01:31,494 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:31,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-07-20 13:01:31,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-07-20 13:01:31,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-07-20 13:01:31,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 118 transitions. [2020-07-20 13:01:31,516 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 118 transitions. Word has length 52 [2020-07-20 13:01:31,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:31,517 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 118 transitions. [2020-07-20 13:01:31,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:01:31,517 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 118 transitions. [2020-07-20 13:01:31,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-20 13:01:31,520 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:31,520 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:01:31,721 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:31,722 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:31,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:31,722 INFO L82 PathProgramCache]: Analyzing trace with hash 734191743, now seen corresponding path program 1 times [2020-07-20 13:01:31,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:31,723 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [49228081] [2020-07-20 13:01:31,724 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:32,111 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:32,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:32,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:01:32,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:32,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:01:32,153 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:32,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [49228081] [2020-07-20 13:01:32,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:32,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:01:32,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057125557] [2020-07-20 13:01:32,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:01:32,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:32,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:01:32,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:32,156 INFO L87 Difference]: Start difference. First operand 101 states and 118 transitions. Second operand 3 states. [2020-07-20 13:01:32,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:32,195 INFO L93 Difference]: Finished difference Result 245 states and 298 transitions. [2020-07-20 13:01:32,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:01:32,197 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-07-20 13:01:32,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:32,201 INFO L225 Difference]: With dead ends: 245 [2020-07-20 13:01:32,204 INFO L226 Difference]: Without dead ends: 172 [2020-07-20 13:01:32,206 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:32,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-07-20 13:01:32,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 168. [2020-07-20 13:01:32,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-07-20 13:01:32,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 203 transitions. [2020-07-20 13:01:32,247 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 203 transitions. Word has length 56 [2020-07-20 13:01:32,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:32,248 INFO L479 AbstractCegarLoop]: Abstraction has 168 states and 203 transitions. [2020-07-20 13:01:32,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:01:32,248 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 203 transitions. [2020-07-20 13:01:32,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-20 13:01:32,251 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:32,251 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] [2020-07-20 13:01:32,458 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:32,459 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:32,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:32,460 INFO L82 PathProgramCache]: Analyzing trace with hash -667828357, now seen corresponding path program 1 times [2020-07-20 13:01:32,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:32,461 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2115340714] [2020-07-20 13:01:32,462 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:32,843 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:32,843 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:32,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:01:32,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:32,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:01:32,903 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:32,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2115340714] [2020-07-20 13:01:32,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:32,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:01:32,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417317915] [2020-07-20 13:01:32,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:01:32,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:32,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:01:32,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:01:32,906 INFO L87 Difference]: Start difference. First operand 168 states and 203 transitions. Second operand 6 states. [2020-07-20 13:01:33,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:33,113 INFO L93 Difference]: Finished difference Result 271 states and 338 transitions. [2020-07-20 13:01:33,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:01:33,115 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-07-20 13:01:33,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:33,116 INFO L225 Difference]: With dead ends: 271 [2020-07-20 13:01:33,116 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:01:33,119 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:01:33,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:01:33,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:01:33,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:01:33,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:01:33,121 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2020-07-20 13:01:33,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:33,121 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:01:33,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:01:33,121 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:01:33,121 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:01:33,333 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:33,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:01:33,983 INFO L268 CegarLoopResult]: For program point L474(lines 451 475) no Hoare annotation was computed. [2020-07-20 13:01:33,983 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 427 482) no Hoare annotation was computed. [2020-07-20 13:01:33,983 INFO L268 CegarLoopResult]: For program point L458(lines 458 462) no Hoare annotation was computed. [2020-07-20 13:01:33,983 INFO L268 CegarLoopResult]: For program point L458-1(lines 458 462) no Hoare annotation was computed. [2020-07-20 13:01:33,983 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 427 482) no Hoare annotation was computed. [2020-07-20 13:01:33,984 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-20 13:01:33,984 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 427 482) no Hoare annotation was computed. [2020-07-20 13:01:33,984 INFO L268 CegarLoopResult]: For program point L452-2(lines 452 473) no Hoare annotation was computed. [2020-07-20 13:01:33,984 INFO L268 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-07-20 13:01:33,984 INFO L268 CegarLoopResult]: For program point L509-2(lines 509 534) no Hoare annotation was computed. [2020-07-20 13:01:33,984 INFO L268 CegarLoopResult]: For program point L535(lines 508 536) no Hoare annotation was computed. [2020-07-20 13:01:33,985 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 483 542) no Hoare annotation was computed. [2020-07-20 13:01:33,985 INFO L268 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-07-20 13:01:33,985 INFO L268 CegarLoopResult]: For program point L528-1(line 528) no Hoare annotation was computed. [2020-07-20 13:01:33,985 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 483 542) no Hoare annotation was computed. [2020-07-20 13:01:33,985 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 483 542) no Hoare annotation was computed. [2020-07-20 13:01:33,985 INFO L268 CegarLoopResult]: For program point L515(lines 515 519) no Hoare annotation was computed. [2020-07-20 13:01:33,985 INFO L268 CegarLoopResult]: For program point L515-1(lines 515 519) no Hoare annotation was computed. [2020-07-20 13:01:33,986 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 762 768) the Hoare annotation is: true [2020-07-20 13:01:33,986 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 762 768) no Hoare annotation was computed. [2020-07-20 13:01:33,986 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 769 777) no Hoare annotation was computed. [2020-07-20 13:01:33,986 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 769 777) the Hoare annotation is: true [2020-07-20 13:01:33,986 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 769 777) no Hoare annotation was computed. [2020-07-20 13:01:33,986 INFO L264 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:01:33,987 INFO L264 CegarLoopResult]: At program point L897-1(line 897) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:01:33,987 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 891 913) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:01:33,987 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 891 913) no Hoare annotation was computed. [2020-07-20 13:01:33,987 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 891 913) no Hoare annotation was computed. [2020-07-20 13:01:33,987 INFO L264 CegarLoopResult]: At program point L903(line 903) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:01:33,987 INFO L264 CegarLoopResult]: At program point L903-1(line 903) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:01:33,987 INFO L268 CegarLoopResult]: For program point L901(lines 901 908) no Hoare annotation was computed. [2020-07-20 13:01:33,987 INFO L268 CegarLoopResult]: For program point L901-1(lines 901 908) no Hoare annotation was computed. [2020-07-20 13:01:33,988 INFO L268 CegarLoopResult]: For program point L899(line 899) no Hoare annotation was computed. [2020-07-20 13:01:33,988 INFO L264 CegarLoopResult]: At program point L898(line 898) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:01:33,988 INFO L268 CegarLoopResult]: For program point L865(line 865) no Hoare annotation was computed. [2020-07-20 13:01:33,988 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-07-20 13:01:33,988 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 849 872) no Hoare annotation was computed. [2020-07-20 13:01:33,988 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-07-20 13:01:33,988 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-07-20 13:01:33,989 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-07-20 13:01:33,989 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 849 872) no Hoare annotation was computed. [2020-07-20 13:01:33,989 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-07-20 13:01:33,989 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 849 872) no Hoare annotation was computed. [2020-07-20 13:01:33,989 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-07-20 13:01:33,989 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-07-20 13:01:33,989 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-20 13:01:33,990 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-20 13:01:33,990 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-07-20 13:01:33,990 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-07-20 13:01:33,990 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-07-20 13:01:33,990 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-07-20 13:01:33,990 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 77 83) no Hoare annotation was computed. [2020-07-20 13:01:33,990 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 77 83) the Hoare annotation is: true [2020-07-20 13:01:33,991 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 199 213) no Hoare annotation was computed. [2020-07-20 13:01:33,991 INFO L264 CegarLoopResult]: At program point L205(line 205) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-20 13:01:33,991 INFO L268 CegarLoopResult]: For program point L203(lines 203 209) no Hoare annotation was computed. [2020-07-20 13:01:33,991 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 199 213) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))))) [2020-07-20 13:01:33,991 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 199 213) no Hoare annotation was computed. [2020-07-20 13:01:33,991 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 110 117) no Hoare annotation was computed. [2020-07-20 13:01:33,991 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 110 117) no Hoare annotation was computed. [2020-07-20 13:01:33,991 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 110 117) no Hoare annotation was computed. [2020-07-20 13:01:33,992 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 154 162) no Hoare annotation was computed. [2020-07-20 13:01:33,992 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 154 162) the Hoare annotation is: true [2020-07-20 13:01:33,992 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 154 162) no Hoare annotation was computed. [2020-07-20 13:01:33,992 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 13:01:33,992 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-20 13:01:33,992 INFO L268 CegarLoopResult]: For program point L182(lines 182 190) no Hoare annotation was computed. [2020-07-20 13:01:33,992 INFO L268 CegarLoopResult]: For program point L182-2(lines 182 190) no Hoare annotation was computed. [2020-07-20 13:01:33,992 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 163 198) no Hoare annotation was computed. [2020-07-20 13:01:33,992 INFO L268 CegarLoopResult]: For program point L170(lines 170 178) no Hoare annotation was computed. [2020-07-20 13:01:33,992 INFO L268 CegarLoopResult]: For program point L170-2(lines 170 178) no Hoare annotation was computed. [2020-07-20 13:01:33,992 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 163 198) no Hoare annotation was computed. [2020-07-20 13:01:33,993 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 163 198) no Hoare annotation was computed. [2020-07-20 13:01:33,993 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 755 761) no Hoare annotation was computed. [2020-07-20 13:01:33,993 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 755 761) the Hoare annotation is: true [2020-07-20 13:01:33,993 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 381 426) no Hoare annotation was computed. [2020-07-20 13:01:33,993 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 381 426) no Hoare annotation was computed. [2020-07-20 13:01:33,993 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 381 426) no Hoare annotation was computed. [2020-07-20 13:01:33,993 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 694 739) no Hoare annotation was computed. [2020-07-20 13:01:33,993 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 694 739) no Hoare annotation was computed. [2020-07-20 13:01:33,993 INFO L268 CegarLoopResult]: For program point L714(lines 714 721) no Hoare annotation was computed. [2020-07-20 13:01:33,993 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 694 739) no Hoare annotation was computed. [2020-07-20 13:01:33,993 INFO L268 CegarLoopResult]: For program point L708(lines 708 728) no Hoare annotation was computed. [2020-07-20 13:01:33,994 INFO L268 CegarLoopResult]: For program point L708-1(lines 708 728) no Hoare annotation was computed. [2020-07-20 13:01:33,994 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 880 890) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:01:33,994 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 880 890) no Hoare annotation was computed. [2020-07-20 13:01:33,994 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 880 890) no Hoare annotation was computed. [2020-07-20 13:01:33,994 INFO L264 CegarLoopResult]: At program point L885(line 885) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:01:33,994 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 143 153) the Hoare annotation is: true [2020-07-20 13:01:33,994 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 143 153) no Hoare annotation was computed. [2020-07-20 13:01:33,994 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 143 153) no Hoare annotation was computed. [2020-07-20 13:01:33,994 INFO L271 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: true [2020-07-20 13:01:33,995 INFO L268 CegarLoopResult]: For program point L148-1(line 148) no Hoare annotation was computed. [2020-07-20 13:01:33,995 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 135 142) the Hoare annotation is: true [2020-07-20 13:01:33,995 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 135 142) no Hoare annotation was computed. [2020-07-20 13:01:33,995 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 135 142) no Hoare annotation was computed. [2020-07-20 13:01:33,995 INFO L264 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-20 13:01:33,995 INFO L268 CegarLoopResult]: For program point L93(lines 93 101) no Hoare annotation was computed. [2020-07-20 13:01:33,995 INFO L264 CegarLoopResult]: At program point L91(line 91) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-20 13:01:33,996 INFO L268 CegarLoopResult]: For program point L91-1(line 91) no Hoare annotation was computed. [2020-07-20 13:01:33,996 INFO L268 CegarLoopResult]: For program point L89(lines 89 106) no Hoare annotation was computed. [2020-07-20 13:01:33,996 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 85 109) no Hoare annotation was computed. [2020-07-20 13:01:33,996 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 85 109) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:01:33,996 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:01:33,996 INFO L268 CegarLoopResult]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2020-07-20 13:01:33,997 INFO L264 CegarLoopResult]: At program point L99(line 99) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-20 13:01:33,997 INFO L264 CegarLoopResult]: At program point testENTRY(lines 218 283) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:01:33,997 INFO L264 CegarLoopResult]: At program point L250(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:01:33,997 INFO L268 CegarLoopResult]: For program point L248(lines 248 254) no Hoare annotation was computed. [2020-07-20 13:01:33,997 INFO L268 CegarLoopResult]: For program point L248-1(lines 248 254) no Hoare annotation was computed. [2020-07-20 13:01:33,997 INFO L268 CegarLoopResult]: For program point testFINAL(lines 218 283) no Hoare annotation was computed. [2020-07-20 13:01:33,997 INFO L264 CegarLoopResult]: At program point L273(lines 228 275) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:01:33,998 INFO L264 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:01:33,998 INFO L268 CegarLoopResult]: For program point L238(lines 238 244) no Hoare annotation was computed. [2020-07-20 13:01:33,998 INFO L268 CegarLoopResult]: For program point L238-1(lines 238 244) no Hoare annotation was computed. [2020-07-20 13:01:33,998 INFO L268 CegarLoopResult]: For program point L230(lines 230 234) no Hoare annotation was computed. [2020-07-20 13:01:33,998 INFO L264 CegarLoopResult]: At program point L276(lines 227 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:01:33,998 INFO L264 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:01:33,999 INFO L268 CegarLoopResult]: For program point L264(lines 264 270) no Hoare annotation was computed. [2020-07-20 13:01:33,999 INFO L264 CegarLoopResult]: At program point L264-1(lines 258 271) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:01:33,999 INFO L268 CegarLoopResult]: For program point L229(lines 228 275) no Hoare annotation was computed. [2020-07-20 13:01:33,999 INFO L268 CegarLoopResult]: For program point testEXIT(lines 218 283) no Hoare annotation was computed. [2020-07-20 13:01:33,999 INFO L268 CegarLoopResult]: For program point L258(lines 258 271) no Hoare annotation was computed. [2020-07-20 13:01:33,999 INFO L268 CegarLoopResult]: For program point L668(lines 668 675) no Hoare annotation was computed. [2020-07-20 13:01:33,999 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 648 693) no Hoare annotation was computed. [2020-07-20 13:01:34,000 INFO L268 CegarLoopResult]: For program point L662(lines 662 682) no Hoare annotation was computed. [2020-07-20 13:01:34,000 INFO L268 CegarLoopResult]: For program point L662-1(lines 662 682) no Hoare annotation was computed. [2020-07-20 13:01:34,000 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 648 693) no Hoare annotation was computed. [2020-07-20 13:01:34,000 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 648 693) no Hoare annotation was computed. [2020-07-20 13:01:34,000 INFO L268 CegarLoopResult]: For program point L801(lines 801 807) no Hoare annotation was computed. [2020-07-20 13:01:34,000 INFO L268 CegarLoopResult]: For program point L800(lines 800 810) no Hoare annotation was computed. [2020-07-20 13:01:34,001 INFO L271 CegarLoopResult]: At program point L798(line 798) the Hoare annotation is: true [2020-07-20 13:01:34,001 INFO L268 CegarLoopResult]: For program point L798-1(line 798) no Hoare annotation was computed. [2020-07-20 13:01:34,001 INFO L268 CegarLoopResult]: For program point L796(lines 796 813) no Hoare annotation was computed. [2020-07-20 13:01:34,001 INFO L268 CegarLoopResult]: For program point L796-1(lines 788 816) no Hoare annotation was computed. [2020-07-20 13:01:34,001 INFO L271 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: true [2020-07-20 13:01:34,001 INFO L268 CegarLoopResult]: For program point L794-1(line 794) no Hoare annotation was computed. [2020-07-20 13:01:34,001 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 788 816) the Hoare annotation is: true [2020-07-20 13:01:34,001 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 788 816) no Hoare annotation was computed. [2020-07-20 13:01:34,001 INFO L264 CegarLoopResult]: At program point L803(line 803) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2020-07-20 13:01:34,002 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 333 355) no Hoare annotation was computed. [2020-07-20 13:01:34,002 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 333 355) no Hoare annotation was computed. [2020-07-20 13:01:34,002 INFO L268 CegarLoopResult]: For program point L341(lines 341 349) no Hoare annotation was computed. [2020-07-20 13:01:34,002 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 333 355) no Hoare annotation was computed. [2020-07-20 13:01:34,002 INFO L268 CegarLoopResult]: For program point L341-2(lines 341 349) no Hoare annotation was computed. [2020-07-20 13:01:34,002 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 780 787) the Hoare annotation is: true [2020-07-20 13:01:34,002 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 780 787) no Hoare annotation was computed. [2020-07-20 13:01:34,002 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 780 787) no Hoare annotation was computed. [2020-07-20 13:01:34,002 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 545 647) no Hoare annotation was computed. [2020-07-20 13:01:34,002 INFO L268 CegarLoopResult]: For program point L574(lines 574 590) no Hoare annotation was computed. [2020-07-20 13:01:34,002 INFO L268 CegarLoopResult]: For program point L634(lines 634 641) no Hoare annotation was computed. [2020-07-20 13:01:34,002 INFO L268 CegarLoopResult]: For program point L595(lines 594 614) no Hoare annotation was computed. [2020-07-20 13:01:34,003 INFO L268 CegarLoopResult]: For program point L626(line 626) no Hoare annotation was computed. [2020-07-20 13:01:34,003 INFO L268 CegarLoopResult]: For program point L626-1(line 626) no Hoare annotation was computed. [2020-07-20 13:01:34,003 INFO L268 CegarLoopResult]: For program point L591(lines 591 632) no Hoare annotation was computed. [2020-07-20 13:01:34,003 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 545 647) no Hoare annotation was computed. [2020-07-20 13:01:34,003 INFO L268 CegarLoopResult]: For program point L610(line 610) no Hoare annotation was computed. [2020-07-20 13:01:34,003 INFO L268 CegarLoopResult]: For program point L610-1(line 610) no Hoare annotation was computed. [2020-07-20 13:01:34,003 INFO L268 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2020-07-20 13:01:34,003 INFO L268 CegarLoopResult]: For program point L633(lines 633 644) no Hoare annotation was computed. [2020-07-20 13:01:34,003 INFO L268 CegarLoopResult]: For program point L596(lines 596 600) no Hoare annotation was computed. [2020-07-20 13:01:34,003 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 545 647) no Hoare annotation was computed. [2020-07-20 13:01:34,003 INFO L268 CegarLoopResult]: For program point L594-2(lines 594 614) no Hoare annotation was computed. [2020-07-20 13:01:34,003 INFO L268 CegarLoopResult]: For program point L615(lines 593 616) no Hoare annotation was computed. [2020-07-20 13:01:34,003 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 745 754) no Hoare annotation was computed. [2020-07-20 13:01:34,004 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 745 754) no Hoare annotation was computed. [2020-07-20 13:01:34,004 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 745 754) no Hoare annotation was computed. [2020-07-20 13:01:34,004 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:01:34,004 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:01:34,004 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:01:34,004 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-07-20 13:01:34,004 INFO L268 CegarLoopResult]: For program point L129-1(lines 118 134) no Hoare annotation was computed. [2020-07-20 13:01:34,004 INFO L268 CegarLoopResult]: For program point L125(lines 125 131) no Hoare annotation was computed. [2020-07-20 13:01:34,004 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 118 134) no Hoare annotation was computed. [2020-07-20 13:01:34,004 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-07-20 13:01:34,004 INFO L268 CegarLoopResult]: For program point L123-1(line 123) no Hoare annotation was computed. [2020-07-20 13:01:34,005 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 118 134) no Hoare annotation was computed. [2020-07-20 13:01:34,005 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 356 364) no Hoare annotation was computed. [2020-07-20 13:01:34,005 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 356 364) no Hoare annotation was computed. [2020-07-20 13:01:34,005 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 356 364) no Hoare annotation was computed. [2020-07-20 13:01:34,005 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 312 323) the Hoare annotation is: true [2020-07-20 13:01:34,005 INFO L268 CegarLoopResult]: For program point L316-1(lines 312 323) no Hoare annotation was computed. [2020-07-20 13:01:34,005 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 312 323) no Hoare annotation was computed. [2020-07-20 13:01:34,005 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:01:34,005 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:01:34,005 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:01:34,005 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 324 332) the Hoare annotation is: true [2020-07-20 13:01:34,006 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 324 332) no Hoare annotation was computed. [2020-07-20 13:01:34,006 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 324 332) no Hoare annotation was computed. [2020-07-20 13:01:34,006 INFO L264 CegarLoopResult]: At program point L64(lines 64 70) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:01:34,006 INFO L264 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-20 13:01:34,006 INFO L268 CegarLoopResult]: For program point L57(lines 56 75) no Hoare annotation was computed. [2020-07-20 13:01:34,006 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:01:34,006 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2020-07-20 13:01:34,006 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2020-07-20 13:01:34,006 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:01:34,006 INFO L268 CegarLoopResult]: For program point L833(lines 833 837) no Hoare annotation was computed. [2020-07-20 13:01:34,006 INFO L271 CegarLoopResult]: At program point L833-1(lines 833 837) the Hoare annotation is: true [2020-07-20 13:01:34,007 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 819 848) no Hoare annotation was computed. [2020-07-20 13:01:34,007 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-07-20 13:01:34,007 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 819 848) the Hoare annotation is: true [2020-07-20 13:01:34,007 INFO L271 CegarLoopResult]: At program point L829-2(lines 829 843) the Hoare annotation is: true [2020-07-20 13:01:34,007 INFO L271 CegarLoopResult]: At program point L825(line 825) the Hoare annotation is: true [2020-07-20 13:01:34,007 INFO L268 CegarLoopResult]: For program point L825-1(line 825) no Hoare annotation was computed. [2020-07-20 13:01:34,007 INFO L271 CegarLoopResult]: At program point L844(lines 819 848) the Hoare annotation is: true [2020-07-20 13:01:34,007 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-07-20 13:01:34,007 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 288 299) the Hoare annotation is: true [2020-07-20 13:01:34,008 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 288 299) no Hoare annotation was computed. [2020-07-20 13:01:34,008 INFO L268 CegarLoopResult]: For program point L292-1(lines 288 299) no Hoare annotation was computed. [2020-07-20 13:01:34,008 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 873 879) no Hoare annotation was computed. [2020-07-20 13:01:34,008 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 873 879) the Hoare annotation is: true [2020-07-20 13:01:34,008 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:01:34,008 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 13:01:34,008 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:01:34,009 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:01:34,009 INFO L268 CegarLoopResult]: For program point L304-1(lines 300 311) no Hoare annotation was computed. [2020-07-20 13:01:34,009 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 300 311) no Hoare annotation was computed. [2020-07-20 13:01:34,009 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 300 311) the Hoare annotation is: true [2020-07-20 13:01:34,009 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 366 373) no Hoare annotation was computed. [2020-07-20 13:01:34,009 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 370) no Hoare annotation was computed. [2020-07-20 13:01:34,010 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 366 373) the Hoare annotation is: true [2020-07-20 13:01:34,010 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 366 373) no Hoare annotation was computed. [2020-07-20 13:01:34,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:01:34 BoogieIcfgContainer [2020-07-20 13:01:34,025 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:01:34,028 INFO L168 Benchmark]: Toolchain (without parser) took 5960.60 ms. Allocated memory was 143.1 MB in the beginning and 255.3 MB in the end (delta: 112.2 MB). Free memory was 100.0 MB in the beginning and 106.3 MB in the end (delta: -6.3 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. [2020-07-20 13:01:34,029 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 143.1 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 13:01:34,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.49 ms. Allocated memory was 143.1 MB in the beginning and 199.8 MB in the end (delta: 56.6 MB). Free memory was 99.6 MB in the beginning and 168.5 MB in the end (delta: -68.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2020-07-20 13:01:34,031 INFO L168 Benchmark]: Boogie Preprocessor took 97.99 ms. Allocated memory is still 199.8 MB. Free memory was 168.5 MB in the beginning and 164.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-20 13:01:34,032 INFO L168 Benchmark]: RCFGBuilder took 1078.48 ms. Allocated memory was 199.8 MB in the beginning and 228.6 MB in the end (delta: 28.8 MB). Free memory was 164.1 MB in the beginning and 196.7 MB in the end (delta: -32.6 MB). Peak memory consumption was 88.3 MB. Max. memory is 7.1 GB. [2020-07-20 13:01:34,033 INFO L168 Benchmark]: TraceAbstraction took 4104.52 ms. Allocated memory was 228.6 MB in the beginning and 255.3 MB in the end (delta: 26.7 MB). Free memory was 195.2 MB in the beginning and 106.3 MB in the end (delta: 88.9 MB). Peak memory consumption was 115.7 MB. Max. memory is 7.1 GB. [2020-07-20 13:01:34,037 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 143.1 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 673.49 ms. Allocated memory was 143.1 MB in the beginning and 199.8 MB in the end (delta: 56.6 MB). Free memory was 99.6 MB in the beginning and 168.5 MB in the end (delta: -68.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.99 ms. Allocated memory is still 199.8 MB. Free memory was 168.5 MB in the beginning and 164.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1078.48 ms. Allocated memory was 199.8 MB in the beginning and 228.6 MB in the end (delta: 28.8 MB). Free memory was 164.1 MB in the beginning and 196.7 MB in the end (delta: -32.6 MB). Peak memory consumption was 88.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4104.52 ms. Allocated memory was 228.6 MB in the beginning and 255.3 MB in the end (delta: 26.7 MB). Free memory was 195.2 MB in the beginning and 106.3 MB in the end (delta: 88.9 MB). Peak memory consumption was 115.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 370]: 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: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter <= 0)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 222 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 492 SDtfs, 162 SDslu, 400 SDs, 0 SdLazy, 61 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 219 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 219 PreInvPairs, 234 NumberOfFragments, 350 HoareAnnotationTreeSize, 219 FomulaSimplifications, 55 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 53 FomulaSimplificationsInter, 416 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 221 NumberOfCodeBlocks, 196 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 217 ConstructedInterpolants, 0 QuantifiedInterpolants, 18439 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2709 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...