/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 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 12:51:12,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:51:12,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:51:12,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:51:12,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:51:12,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:51:12,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:51:12,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:51:12,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:51:12,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:51:12,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:51:12,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:51:12,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:51:12,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:51:12,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:51:12,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:51:12,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:51:12,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:51:12,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:51:12,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:51:12,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:51:12,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:51:12,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:51:12,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:51:12,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:51:12,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:51:12,684 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:51:12,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:51:12,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:51:12,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 12:51:12,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 12:51:12,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 12:51:12,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 12:51:12,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 12:51:12,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 12:51:12,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 12:51:12,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 12:51:12,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 12:51:12,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:51:12,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:51:12,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:51:12,697 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 [2020-07-21 12:51:12,740 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:51:12,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:51:12,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:51:12,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:51:12,742 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:51:12,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:51:12,743 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 12:51:12,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:51:12,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 12:51:12,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:51:12,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:51:12,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:51:12,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:51:12,744 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 12:51:12,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:51:12,744 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:51:12,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:51:12,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:51:12,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:51:12,745 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:51:12,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:51:12,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:51:12,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:51:12,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:51:12,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:51:12,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:51:12,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:12,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:51:12,747 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:51:12,747 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 -> 2 [2020-07-21 12:51:13,091 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:51:13,113 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:51:13,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:51:13,117 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:51:13,118 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:51:13,118 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product23.cil.c [2020-07-21 12:51:13,191 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51e98744c/8c5ebd03a3424804919dfef12c1b5f98/FLAG2210108ec [2020-07-21 12:51:13,690 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:51:13,691 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product23.cil.c [2020-07-21 12:51:13,703 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51e98744c/8c5ebd03a3424804919dfef12c1b5f98/FLAG2210108ec [2020-07-21 12:51:13,994 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51e98744c/8c5ebd03a3424804919dfef12c1b5f98 [2020-07-21 12:51:14,003 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:51:14,005 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:51:14,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:51:14,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:51:14,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:51:14,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:51:13" (1/1) ... [2020-07-21 12:51:14,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7011c986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:14, skipping insertion in model container [2020-07-21 12:51:14,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:51:13" (1/1) ... [2020-07-21 12:51:14,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:51:14,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:51:14,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:51:14,506 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:51:14,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:51:14,673 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:51:14,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:14 WrapperNode [2020-07-21 12:51:14,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:51:14,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:51:14,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:51:14,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:51:14,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:14" (1/1) ... [2020-07-21 12:51:14,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:14" (1/1) ... [2020-07-21 12:51:14,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:14" (1/1) ... [2020-07-21 12:51:14,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:14" (1/1) ... [2020-07-21 12:51:14,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:14" (1/1) ... [2020-07-21 12:51:14,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:14" (1/1) ... [2020-07-21 12:51:14,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:14" (1/1) ... [2020-07-21 12:51:14,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:51:14,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:51:14,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:51:14,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:51:14,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:14" (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 [2020-07-21 12:51:14,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:51:14,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:51:14,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 12:51:14,882 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 12:51:14,882 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 12:51:14,882 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 12:51:14,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 12:51:14,882 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 12:51:14,882 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 12:51:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 12:51:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-21 12:51:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-21 12:51:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 12:51:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 12:51:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 12:51:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 12:51:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 12:51:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 12:51:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 12:51:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 12:51:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 12:51:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 12:51:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 12:51:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 12:51:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 12:51:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 12:51:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 12:51:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 12:51:14,886 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 12:51:14,886 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 12:51:14,886 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 12:51:14,886 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 12:51:14,886 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 12:51:14,886 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 12:51:14,887 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 12:51:14,887 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 12:51:14,887 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 12:51:14,887 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 12:51:14,887 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 12:51:14,887 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:51:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:51:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 12:51:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 12:51:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 12:51:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 12:51:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 12:51:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 12:51:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 12:51:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 12:51:14,889 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 12:51:14,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:51:14,889 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 12:51:14,889 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 12:51:14,889 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-21 12:51:14,889 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-21 12:51:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 12:51:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:51:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 12:51:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 12:51:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:51:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:51:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:51:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:51:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 12:51:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:51:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 12:51:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 12:51:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:51:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 12:51:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 12:51:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 12:51:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 12:51:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 12:51:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 12:51:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 12:51:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 12:51:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 12:51:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 12:51:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 12:51:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 12:51:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 12:51:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 12:51:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 12:51:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 12:51:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 12:51:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 12:51:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 12:51:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 12:51:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 12:51:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 12:51:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:51:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:51:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 12:51:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:51:15,964 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:51:15,964 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 12:51:15,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:51:15 BoogieIcfgContainer [2020-07-21 12:51:15,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:51:15,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:51:15,974 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:51:15,978 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:51:15,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:51:13" (1/3) ... [2020-07-21 12:51:15,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e0b013c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:51:15, skipping insertion in model container [2020-07-21 12:51:15,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:14" (2/3) ... [2020-07-21 12:51:15,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e0b013c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:51:15, skipping insertion in model container [2020-07-21 12:51:15,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:51:15" (3/3) ... [2020-07-21 12:51:15,981 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product23.cil.c [2020-07-21 12:51:15,992 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:51:16,003 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:51:16,019 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:51:16,053 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:51:16,054 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:51:16,054 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:51:16,054 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:51:16,055 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:51:16,055 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:51:16,055 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:51:16,056 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:51:16,086 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-07-21 12:51:16,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 12:51:16,102 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:16,104 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] [2020-07-21 12:51:16,104 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:16,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:16,112 INFO L82 PathProgramCache]: Analyzing trace with hash 2113411810, now seen corresponding path program 1 times [2020-07-21 12:51:16,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:16,122 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [36514271] [2020-07-21 12:51:16,122 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:51:16,553 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:16,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:16,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 12:51:16,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:16,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:16,616 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:16,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [36514271] [2020-07-21 12:51:16,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:16,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 12:51:16,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445475416] [2020-07-21 12:51:16,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 12:51:16,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:16,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 12:51:16,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:51:16,648 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 2 states. [2020-07-21 12:51:16,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:16,742 INFO L93 Difference]: Finished difference Result 256 states and 323 transitions. [2020-07-21 12:51:16,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 12:51:16,746 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-21 12:51:16,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:16,758 INFO L225 Difference]: With dead ends: 256 [2020-07-21 12:51:16,759 INFO L226 Difference]: Without dead ends: 130 [2020-07-21 12:51:16,763 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 [2020-07-21 12:51:16,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-07-21 12:51:16,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2020-07-21 12:51:16,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-21 12:51:16,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 155 transitions. [2020-07-21 12:51:16,822 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 155 transitions. Word has length 51 [2020-07-21 12:51:16,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:16,823 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 155 transitions. [2020-07-21 12:51:16,823 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 12:51:16,823 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 155 transitions. [2020-07-21 12:51:16,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 12:51:16,828 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:16,828 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] [2020-07-21 12:51:17,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:17,044 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:17,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:17,045 INFO L82 PathProgramCache]: Analyzing trace with hash 689903490, now seen corresponding path program 1 times [2020-07-21 12:51:17,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:17,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1973954399] [2020-07-21 12:51:17,046 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:51:17,466 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:17,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:17,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:51:17,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:17,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:17,525 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:17,526 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1973954399] [2020-07-21 12:51:17,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:17,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:17,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90122316] [2020-07-21 12:51:17,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:17,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:17,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:17,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:17,535 INFO L87 Difference]: Start difference. First operand 130 states and 155 transitions. Second operand 3 states. [2020-07-21 12:51:17,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:17,573 INFO L93 Difference]: Finished difference Result 199 states and 237 transitions. [2020-07-21 12:51:17,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:17,575 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 12:51:17,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:17,579 INFO L225 Difference]: With dead ends: 199 [2020-07-21 12:51:17,579 INFO L226 Difference]: Without dead ends: 121 [2020-07-21 12:51:17,583 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 [2020-07-21 12:51:17,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-07-21 12:51:17,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2020-07-21 12:51:17,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-07-21 12:51:17,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 143 transitions. [2020-07-21 12:51:17,609 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 143 transitions. Word has length 52 [2020-07-21 12:51:17,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:17,610 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 143 transitions. [2020-07-21 12:51:17,610 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:17,610 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 143 transitions. [2020-07-21 12:51:17,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-21 12:51:17,617 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:17,618 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:17,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:17,834 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:17,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:17,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1868242676, now seen corresponding path program 1 times [2020-07-21 12:51:17,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:17,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1881071589] [2020-07-21 12:51:17,836 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:51:18,106 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:18,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:18,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:51:18,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:18,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:18,154 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:18,155 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1881071589] [2020-07-21 12:51:18,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:18,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:18,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627265580] [2020-07-21 12:51:18,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:18,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:18,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:18,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:18,160 INFO L87 Difference]: Start difference. First operand 121 states and 143 transitions. Second operand 3 states. [2020-07-21 12:51:18,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:18,201 INFO L93 Difference]: Finished difference Result 305 states and 373 transitions. [2020-07-21 12:51:18,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:18,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-07-21 12:51:18,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:18,211 INFO L225 Difference]: With dead ends: 305 [2020-07-21 12:51:18,211 INFO L226 Difference]: Without dead ends: 212 [2020-07-21 12:51:18,213 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 [2020-07-21 12:51:18,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-07-21 12:51:18,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 208. [2020-07-21 12:51:18,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-07-21 12:51:18,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 253 transitions. [2020-07-21 12:51:18,253 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 253 transitions. Word has length 56 [2020-07-21 12:51:18,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:18,254 INFO L479 AbstractCegarLoop]: Abstraction has 208 states and 253 transitions. [2020-07-21 12:51:18,254 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:18,254 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 253 transitions. [2020-07-21 12:51:18,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 12:51:18,256 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:18,257 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] [2020-07-21 12:51:18,471 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:18,472 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:18,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:18,473 INFO L82 PathProgramCache]: Analyzing trace with hash -35458838, now seen corresponding path program 1 times [2020-07-21 12:51:18,474 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:18,474 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [82485636] [2020-07-21 12:51:18,475 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:51:18,805 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:18,805 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:18,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:51:18,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:18,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:18,854 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:18,854 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [82485636] [2020-07-21 12:51:18,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:18,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:51:18,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385057800] [2020-07-21 12:51:18,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:51:18,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:18,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:51:18,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:51:18,856 INFO L87 Difference]: Start difference. First operand 208 states and 253 transitions. Second operand 6 states. [2020-07-21 12:51:19,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:19,024 INFO L93 Difference]: Finished difference Result 321 states and 402 transitions. [2020-07-21 12:51:19,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:51:19,025 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-07-21 12:51:19,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:19,026 INFO L225 Difference]: With dead ends: 321 [2020-07-21 12:51:19,026 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:51:19,028 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 [2020-07-21 12:51:19,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:51:19,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:51:19,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:51:19,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:51:19,029 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2020-07-21 12:51:19,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:19,029 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:51:19,029 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:51:19,029 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:51:19,030 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:51:19,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:19,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:51:19,921 INFO L268 CegarLoopResult]: For program point L255(line 255) no Hoare annotation was computed. [2020-07-21 12:51:19,921 INFO L268 CegarLoopResult]: For program point L254-2(lines 254 275) no Hoare annotation was computed. [2020-07-21 12:51:19,921 INFO L268 CegarLoopResult]: For program point L276(lines 253 277) no Hoare annotation was computed. [2020-07-21 12:51:19,921 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 229 284) no Hoare annotation was computed. [2020-07-21 12:51:19,921 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 229 284) no Hoare annotation was computed. [2020-07-21 12:51:19,921 INFO L268 CegarLoopResult]: For program point L260(lines 260 264) no Hoare annotation was computed. [2020-07-21 12:51:19,921 INFO L268 CegarLoopResult]: For program point L260-1(lines 260 264) no Hoare annotation was computed. [2020-07-21 12:51:19,922 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 229 284) no Hoare annotation was computed. [2020-07-21 12:51:19,922 INFO L268 CegarLoopResult]: For program point L317(lines 317 321) no Hoare annotation was computed. [2020-07-21 12:51:19,922 INFO L268 CegarLoopResult]: For program point L317-1(lines 317 321) no Hoare annotation was computed. [2020-07-21 12:51:19,922 INFO L268 CegarLoopResult]: For program point L312(line 312) no Hoare annotation was computed. [2020-07-21 12:51:19,922 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 285 344) no Hoare annotation was computed. [2020-07-21 12:51:19,922 INFO L268 CegarLoopResult]: For program point L311-2(lines 311 336) no Hoare annotation was computed. [2020-07-21 12:51:19,922 INFO L268 CegarLoopResult]: For program point L337(lines 310 338) no Hoare annotation was computed. [2020-07-21 12:51:19,922 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 285 344) no Hoare annotation was computed. [2020-07-21 12:51:19,923 INFO L268 CegarLoopResult]: For program point L330(line 330) no Hoare annotation was computed. [2020-07-21 12:51:19,923 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 285 344) no Hoare annotation was computed. [2020-07-21 12:51:19,923 INFO L268 CegarLoopResult]: For program point L330-1(line 330) no Hoare annotation was computed. [2020-07-21 12:51:19,923 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 839 845) the Hoare annotation is: true [2020-07-21 12:51:19,923 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 839 845) no Hoare annotation was computed. [2020-07-21 12:51:19,923 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 846 854) no Hoare annotation was computed. [2020-07-21 12:51:19,924 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 846 854) the Hoare annotation is: true [2020-07-21 12:51:19,924 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 846 854) no Hoare annotation was computed. [2020-07-21 12:51:19,924 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 929 951) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:19,924 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 929 951) no Hoare annotation was computed. [2020-07-21 12:51:19,924 INFO L264 CegarLoopResult]: At program point L941(line 941) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:19,924 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 929 951) no Hoare annotation was computed. [2020-07-21 12:51:19,924 INFO L264 CegarLoopResult]: At program point L941-1(line 941) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:19,925 INFO L268 CegarLoopResult]: For program point L939(lines 939 946) no Hoare annotation was computed. [2020-07-21 12:51:19,925 INFO L268 CegarLoopResult]: For program point L939-1(lines 939 946) no Hoare annotation was computed. [2020-07-21 12:51:19,925 INFO L268 CegarLoopResult]: For program point L937(line 937) no Hoare annotation was computed. [2020-07-21 12:51:19,925 INFO L264 CegarLoopResult]: At program point L936(line 936) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:19,925 INFO L264 CegarLoopResult]: At program point L935(line 935) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:19,925 INFO L264 CegarLoopResult]: At program point L935-1(line 935) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:19,926 INFO L268 CegarLoopResult]: For program point L897(line 897) no Hoare annotation was computed. [2020-07-21 12:51:19,926 INFO L268 CegarLoopResult]: For program point L896(line 896) no Hoare annotation was computed. [2020-07-21 12:51:19,926 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 887 910) no Hoare annotation was computed. [2020-07-21 12:51:19,926 INFO L268 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-07-21 12:51:19,926 INFO L268 CegarLoopResult]: For program point L894(line 894) no Hoare annotation was computed. [2020-07-21 12:51:19,926 INFO L268 CegarLoopResult]: For program point L893(line 893) no Hoare annotation was computed. [2020-07-21 12:51:19,926 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 887 910) no Hoare annotation was computed. [2020-07-21 12:51:19,926 INFO L268 CegarLoopResult]: For program point L892(line 892) no Hoare annotation was computed. [2020-07-21 12:51:19,927 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 887 910) no Hoare annotation was computed. [2020-07-21 12:51:19,927 INFO L268 CegarLoopResult]: For program point L905(line 905) no Hoare annotation was computed. [2020-07-21 12:51:19,927 INFO L268 CegarLoopResult]: For program point L904(line 904) no Hoare annotation was computed. [2020-07-21 12:51:19,927 INFO L268 CegarLoopResult]: For program point L903(line 903) no Hoare annotation was computed. [2020-07-21 12:51:19,927 INFO L268 CegarLoopResult]: For program point L902(line 902) no Hoare annotation was computed. [2020-07-21 12:51:19,927 INFO L268 CegarLoopResult]: For program point L901(line 901) no Hoare annotation was computed. [2020-07-21 12:51:19,927 INFO L268 CegarLoopResult]: For program point L900(line 900) no Hoare annotation was computed. [2020-07-21 12:51:19,927 INFO L268 CegarLoopResult]: For program point L899(line 899) no Hoare annotation was computed. [2020-07-21 12:51:19,928 INFO L268 CegarLoopResult]: For program point L898(line 898) no Hoare annotation was computed. [2020-07-21 12:51:19,928 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 802 816) no Hoare annotation was computed. [2020-07-21 12:51:19,928 INFO L264 CegarLoopResult]: At program point L808(line 808) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 12:51:19,928 INFO L268 CegarLoopResult]: For program point L806(lines 806 812) no Hoare annotation was computed. [2020-07-21 12:51:19,928 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 802 816) 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)|))))) [2020-07-21 12:51:19,928 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 802 816) no Hoare annotation was computed. [2020-07-21 12:51:19,928 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 738 746) no Hoare annotation was computed. [2020-07-21 12:51:19,928 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 738 746) the Hoare annotation is: true [2020-07-21 12:51:19,929 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 738 746) no Hoare annotation was computed. [2020-07-21 12:51:19,929 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 783 801) the Hoare annotation is: true [2020-07-21 12:51:19,929 INFO L268 CegarLoopResult]: For program point L792(lines 792 796) no Hoare annotation was computed. [2020-07-21 12:51:19,929 INFO L271 CegarLoopResult]: At program point L790(line 790) the Hoare annotation is: true [2020-07-21 12:51:19,929 INFO L268 CegarLoopResult]: For program point L792-2(lines 792 796) no Hoare annotation was computed. [2020-07-21 12:51:19,929 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 783 801) no Hoare annotation was computed. [2020-07-21 12:51:19,929 INFO L268 CegarLoopResult]: For program point L790-1(line 790) no Hoare annotation was computed. [2020-07-21 12:51:19,929 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 783 801) no Hoare annotation was computed. [2020-07-21 12:51:19,930 INFO L268 CegarLoopResult]: For program point L766(lines 766 774) no Hoare annotation was computed. [2020-07-21 12:51:19,930 INFO L268 CegarLoopResult]: For program point L766-2(lines 766 774) no Hoare annotation was computed. [2020-07-21 12:51:19,930 INFO L268 CegarLoopResult]: For program point L754(lines 754 762) no Hoare annotation was computed. [2020-07-21 12:51:19,930 INFO L268 CegarLoopResult]: For program point L754-2(lines 754 762) no Hoare annotation was computed. [2020-07-21 12:51:19,930 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 747 782) no Hoare annotation was computed. [2020-07-21 12:51:19,930 INFO L268 CegarLoopResult]: For program point L777(line 777) no Hoare annotation was computed. [2020-07-21 12:51:19,930 INFO L268 CegarLoopResult]: For program point L777-1(line 777) no Hoare annotation was computed. [2020-07-21 12:51:19,930 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 747 782) no Hoare annotation was computed. [2020-07-21 12:51:19,931 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 747 782) no Hoare annotation was computed. [2020-07-21 12:51:19,931 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 832 838) no Hoare annotation was computed. [2020-07-21 12:51:19,931 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 832 838) the Hoare annotation is: true [2020-07-21 12:51:19,931 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 183 228) no Hoare annotation was computed. [2020-07-21 12:51:19,931 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 183 228) no Hoare annotation was computed. [2020-07-21 12:51:19,931 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 183 228) no Hoare annotation was computed. [2020-07-21 12:51:19,931 INFO L268 CegarLoopResult]: For program point L510(lines 510 530) no Hoare annotation was computed. [2020-07-21 12:51:19,931 INFO L268 CegarLoopResult]: For program point L510-1(lines 510 530) no Hoare annotation was computed. [2020-07-21 12:51:19,931 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 496 541) no Hoare annotation was computed. [2020-07-21 12:51:19,932 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 496 541) no Hoare annotation was computed. [2020-07-21 12:51:19,932 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 496 541) no Hoare annotation was computed. [2020-07-21 12:51:19,932 INFO L268 CegarLoopResult]: For program point L516(lines 516 523) no Hoare annotation was computed. [2020-07-21 12:51:19,932 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 918 928) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:19,932 INFO L264 CegarLoopResult]: At program point L923(line 923) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:19,932 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 918 928) no Hoare annotation was computed. [2020-07-21 12:51:19,933 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 918 928) no Hoare annotation was computed. [2020-07-21 12:51:19,933 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 727 737) the Hoare annotation is: true [2020-07-21 12:51:19,933 INFO L271 CegarLoopResult]: At program point L732(line 732) the Hoare annotation is: true [2020-07-21 12:51:19,933 INFO L268 CegarLoopResult]: For program point L732-1(line 732) no Hoare annotation was computed. [2020-07-21 12:51:19,933 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 727 737) no Hoare annotation was computed. [2020-07-21 12:51:19,933 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 727 737) no Hoare annotation was computed. [2020-07-21 12:51:19,933 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 719 726) the Hoare annotation is: true [2020-07-21 12:51:19,934 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 719 726) no Hoare annotation was computed. [2020-07-21 12:51:19,934 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 719 726) no Hoare annotation was computed. [2020-07-21 12:51:19,934 INFO L264 CegarLoopResult]: At program point L705(line 705) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 12:51:19,934 INFO L268 CegarLoopResult]: For program point L705-1(lines 686 710) no Hoare annotation was computed. [2020-07-21 12:51:19,934 INFO L264 CegarLoopResult]: At program point L700(line 700) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 12:51:19,934 INFO L264 CegarLoopResult]: At program point L696(line 696) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 12:51:19,934 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 686 710) no Hoare annotation was computed. [2020-07-21 12:51:19,934 INFO L268 CegarLoopResult]: For program point L694(lines 694 702) no Hoare annotation was computed. [2020-07-21 12:51:19,935 INFO L264 CegarLoopResult]: At program point L692(line 692) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 12:51:19,935 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 686 710) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 12:51:19,935 INFO L268 CegarLoopResult]: For program point L692-1(line 692) no Hoare annotation was computed. [2020-07-21 12:51:19,935 INFO L268 CegarLoopResult]: For program point L690(lines 690 707) no Hoare annotation was computed. [2020-07-21 12:51:19,935 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 652 658) no Hoare annotation was computed. [2020-07-21 12:51:19,935 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 652 658) the Hoare annotation is: true [2020-07-21 12:51:19,935 INFO L264 CegarLoopResult]: At program point testENTRY(lines 555 620) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:19,936 INFO L264 CegarLoopResult]: At program point L603(line 603) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:19,936 INFO L268 CegarLoopResult]: For program point L601(lines 601 607) no Hoare annotation was computed. [2020-07-21 12:51:19,936 INFO L264 CegarLoopResult]: At program point L601-1(lines 595 608) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:19,936 INFO L268 CegarLoopResult]: For program point testFINAL(lines 555 620) no Hoare annotation was computed. [2020-07-21 12:51:19,936 INFO L268 CegarLoopResult]: For program point L566(lines 565 612) no Hoare annotation was computed. [2020-07-21 12:51:19,936 INFO L268 CegarLoopResult]: For program point L595(lines 595 608) no Hoare annotation was computed. [2020-07-21 12:51:19,937 INFO L264 CegarLoopResult]: At program point L587(line 587) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:19,937 INFO L268 CegarLoopResult]: For program point L585(lines 585 591) no Hoare annotation was computed. [2020-07-21 12:51:19,937 INFO L268 CegarLoopResult]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2020-07-21 12:51:19,937 INFO L264 CegarLoopResult]: At program point L610(lines 565 612) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:19,937 INFO L264 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:19,937 INFO L268 CegarLoopResult]: For program point L575(lines 575 581) no Hoare annotation was computed. [2020-07-21 12:51:19,937 INFO L268 CegarLoopResult]: For program point L575-1(lines 575 581) no Hoare annotation was computed. [2020-07-21 12:51:19,937 INFO L268 CegarLoopResult]: For program point L567(lines 567 571) no Hoare annotation was computed. [2020-07-21 12:51:19,938 INFO L264 CegarLoopResult]: At program point L613(lines 564 614) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:19,938 INFO L268 CegarLoopResult]: For program point testEXIT(lines 555 620) no Hoare annotation was computed. [2020-07-21 12:51:19,938 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 450 495) no Hoare annotation was computed. [2020-07-21 12:51:19,938 INFO L268 CegarLoopResult]: For program point L470(lines 470 477) no Hoare annotation was computed. [2020-07-21 12:51:19,938 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 450 495) no Hoare annotation was computed. [2020-07-21 12:51:19,938 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 450 495) no Hoare annotation was computed. [2020-07-21 12:51:19,938 INFO L268 CegarLoopResult]: For program point L464(lines 464 484) no Hoare annotation was computed. [2020-07-21 12:51:19,938 INFO L268 CegarLoopResult]: For program point L464-1(lines 464 484) no Hoare annotation was computed. [2020-07-21 12:51:19,939 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2020-07-21 12:51:19,939 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2020-07-21 12:51:19,939 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2020-07-21 12:51:19,939 INFO L268 CegarLoopResult]: For program point L160(lines 160 166) no Hoare annotation was computed. [2020-07-21 12:51:19,939 INFO L268 CegarLoopResult]: For program point L159(lines 159 169) no Hoare annotation was computed. [2020-07-21 12:51:19,939 INFO L271 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: true [2020-07-21 12:51:19,939 INFO L268 CegarLoopResult]: For program point L157-1(line 157) no Hoare annotation was computed. [2020-07-21 12:51:19,939 INFO L268 CegarLoopResult]: For program point L155(lines 155 172) no Hoare annotation was computed. [2020-07-21 12:51:19,940 INFO L268 CegarLoopResult]: For program point L155-1(lines 147 175) no Hoare annotation was computed. [2020-07-21 12:51:19,940 INFO L271 CegarLoopResult]: At program point L153(line 153) the Hoare annotation is: true [2020-07-21 12:51:19,940 INFO L268 CegarLoopResult]: For program point L153-1(line 153) no Hoare annotation was computed. [2020-07-21 12:51:19,940 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 147 175) the Hoare annotation is: true [2020-07-21 12:51:19,940 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 147 175) no Hoare annotation was computed. [2020-07-21 12:51:19,940 INFO L264 CegarLoopResult]: At program point L162(line 162) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2020-07-21 12:51:19,940 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-21 12:51:19,941 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-21 12:51:19,941 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-21 12:51:19,941 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-21 12:51:19,941 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-21 12:51:19,941 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 139 146) the Hoare annotation is: true [2020-07-21 12:51:19,941 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 139 146) no Hoare annotation was computed. [2020-07-21 12:51:19,941 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 139 146) no Hoare annotation was computed. [2020-07-21 12:51:19,941 INFO L268 CegarLoopResult]: For program point L417(lines 395 418) no Hoare annotation was computed. [2020-07-21 12:51:19,942 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 347 449) no Hoare annotation was computed. [2020-07-21 12:51:19,942 INFO L268 CegarLoopResult]: For program point L376(lines 376 392) no Hoare annotation was computed. [2020-07-21 12:51:19,942 INFO L268 CegarLoopResult]: For program point L436(lines 436 443) no Hoare annotation was computed. [2020-07-21 12:51:19,942 INFO L268 CegarLoopResult]: For program point L397(lines 396 416) no Hoare annotation was computed. [2020-07-21 12:51:19,942 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-21 12:51:19,942 INFO L268 CegarLoopResult]: For program point L428-1(line 428) no Hoare annotation was computed. [2020-07-21 12:51:19,942 INFO L268 CegarLoopResult]: For program point L393(lines 393 434) no Hoare annotation was computed. [2020-07-21 12:51:19,942 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 347 449) no Hoare annotation was computed. [2020-07-21 12:51:19,942 INFO L268 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-07-21 12:51:19,943 INFO L268 CegarLoopResult]: For program point L412-1(line 412) no Hoare annotation was computed. [2020-07-21 12:51:19,943 INFO L268 CegarLoopResult]: For program point L371(lines 371 375) no Hoare annotation was computed. [2020-07-21 12:51:19,943 INFO L268 CegarLoopResult]: For program point L435(lines 435 446) no Hoare annotation was computed. [2020-07-21 12:51:19,943 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 347 449) no Hoare annotation was computed. [2020-07-21 12:51:19,943 INFO L268 CegarLoopResult]: For program point L398(lines 398 402) no Hoare annotation was computed. [2020-07-21 12:51:19,943 INFO L268 CegarLoopResult]: For program point L396-2(lines 396 416) no Hoare annotation was computed. [2020-07-21 12:51:19,943 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 822 831) no Hoare annotation was computed. [2020-07-21 12:51:19,944 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 822 831) no Hoare annotation was computed. [2020-07-21 12:51:19,944 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 822 831) no Hoare annotation was computed. [2020-07-21 12:51:19,944 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:51:19,944 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:51:19,944 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:51:19,944 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 711 718) no Hoare annotation was computed. [2020-07-21 12:51:19,944 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 711 718) no Hoare annotation was computed. [2020-07-21 12:51:19,944 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 711 718) no Hoare annotation was computed. [2020-07-21 12:51:19,945 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2020-07-21 12:51:19,945 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-21 12:51:19,945 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-21 12:51:19,945 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-21 12:51:19,945 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2020-07-21 12:51:19,945 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-21 12:51:19,945 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:51:19,945 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 12:51:19,946 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:51:19,946 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-21 12:51:19,946 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-21 12:51:19,946 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-21 12:51:19,946 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 12:51:19,946 INFO L264 CegarLoopResult]: At program point L639(lines 639 645) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 12:51:19,946 INFO L264 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 12:51:19,947 INFO L268 CegarLoopResult]: For program point L632(lines 631 650) no Hoare annotation was computed. [2020-07-21 12:51:19,947 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 628 651) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 12:51:19,947 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 628 651) no Hoare annotation was computed. [2020-07-21 12:51:19,947 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 628 651) no Hoare annotation was computed. [2020-07-21 12:51:19,947 INFO L271 CegarLoopResult]: At program point L867-2(lines 867 881) the Hoare annotation is: true [2020-07-21 12:51:19,947 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 857 886) no Hoare annotation was computed. [2020-07-21 12:51:19,947 INFO L271 CegarLoopResult]: At program point L863(line 863) the Hoare annotation is: true [2020-07-21 12:51:19,948 INFO L268 CegarLoopResult]: For program point L863-1(line 863) no Hoare annotation was computed. [2020-07-21 12:51:19,948 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 857 886) the Hoare annotation is: true [2020-07-21 12:51:19,948 INFO L271 CegarLoopResult]: At program point L882(lines 857 886) the Hoare annotation is: true [2020-07-21 12:51:19,948 INFO L268 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-07-21 12:51:19,948 INFO L268 CegarLoopResult]: For program point L871(lines 871 875) no Hoare annotation was computed. [2020-07-21 12:51:19,948 INFO L271 CegarLoopResult]: At program point L871-1(lines 871 875) the Hoare annotation is: true [2020-07-21 12:51:19,948 INFO L268 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2020-07-21 12:51:19,949 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-07-21 12:51:19,949 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-21 12:51:19,949 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-21 12:51:19,949 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 911 917) no Hoare annotation was computed. [2020-07-21 12:51:19,949 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 911 917) the Hoare annotation is: true [2020-07-21 12:51:19,949 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:51:19,949 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 12:51:19,950 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:51:19,950 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:51:19,950 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-21 12:51:19,950 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-21 12:51:19,950 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2020-07-21 12:51:19,950 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 543 550) no Hoare annotation was computed. [2020-07-21 12:51:19,950 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 547) no Hoare annotation was computed. [2020-07-21 12:51:19,951 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 543 550) the Hoare annotation is: true [2020-07-21 12:51:19,951 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 543 550) no Hoare annotation was computed. [2020-07-21 12:51:19,951 INFO L264 CegarLoopResult]: At program point L670(line 670) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 12:51:19,951 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 660 684) no Hoare annotation was computed. [2020-07-21 12:51:19,951 INFO L268 CegarLoopResult]: For program point L668(lines 668 676) no Hoare annotation was computed. [2020-07-21 12:51:19,951 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 660 684) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 12:51:19,951 INFO L264 CegarLoopResult]: At program point L666(line 666) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 12:51:19,951 INFO L268 CegarLoopResult]: For program point L666-1(line 666) no Hoare annotation was computed. [2020-07-21 12:51:19,952 INFO L268 CegarLoopResult]: For program point L664(lines 664 681) no Hoare annotation was computed. [2020-07-21 12:51:19,952 INFO L264 CegarLoopResult]: At program point L679(line 679) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 12:51:19,952 INFO L268 CegarLoopResult]: For program point L679-1(lines 660 684) no Hoare annotation was computed. [2020-07-21 12:51:19,952 INFO L264 CegarLoopResult]: At program point L674(line 674) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 12:51:19,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:51:19 BoogieIcfgContainer [2020-07-21 12:51:19,969 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:51:19,972 INFO L168 Benchmark]: Toolchain (without parser) took 5966.02 ms. Allocated memory was 138.9 MB in the beginning and 284.7 MB in the end (delta: 145.8 MB). Free memory was 101.8 MB in the beginning and 228.5 MB in the end (delta: -126.7 MB). Peak memory consumption was 121.2 MB. Max. memory is 7.1 GB. [2020-07-21 12:51:19,973 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 12:51:19,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.93 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 101.4 MB in the beginning and 171.0 MB in the end (delta: -69.6 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. [2020-07-21 12:51:19,975 INFO L168 Benchmark]: Boogie Preprocessor took 126.80 ms. Allocated memory is still 201.3 MB. Free memory was 171.0 MB in the beginning and 166.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-21 12:51:19,976 INFO L168 Benchmark]: RCFGBuilder took 1171.30 ms. Allocated memory was 201.3 MB in the beginning and 235.4 MB in the end (delta: 34.1 MB). Free memory was 166.3 MB in the beginning and 196.2 MB in the end (delta: -29.9 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2020-07-21 12:51:19,977 INFO L168 Benchmark]: TraceAbstraction took 3994.39 ms. Allocated memory was 235.4 MB in the beginning and 284.7 MB in the end (delta: 49.3 MB). Free memory was 196.2 MB in the beginning and 228.5 MB in the end (delta: -32.4 MB). Peak memory consumption was 119.1 MB. Max. memory is 7.1 GB. [2020-07-21 12:51:19,981 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 138.9 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 667.93 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 101.4 MB in the beginning and 171.0 MB in the end (delta: -69.6 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.80 ms. Allocated memory is still 201.3 MB. Free memory was 171.0 MB in the beginning and 166.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1171.30 ms. Allocated memory was 201.3 MB in the beginning and 235.4 MB in the end (delta: 34.1 MB). Free memory was 166.3 MB in the beginning and 196.2 MB in the end (delta: -29.9 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3994.39 ms. Allocated memory was 235.4 MB in the beginning and 284.7 MB in the end (delta: 49.3 MB). Free memory was 196.2 MB in the beginning and 228.5 MB in the end (delta: -32.4 MB). Peak memory consumption was 119.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 547]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter <= 0)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 576 SDtfs, 192 SDslu, 460 SDs, 0 SdLazy, 67 SolverSat, 6 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=208occurred 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, 61 LocationsWithAnnotation, 299 PreInvPairs, 314 NumberOfFragments, 381 HoareAnnotationTreeSize, 299 FomulaSimplifications, 55 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 61 FomulaSimplificationsInter, 480 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 221 NumberOfCodeBlocks, 221 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 217 ConstructedInterpolants, 0 QuantifiedInterpolants, 18439 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2774 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...