/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_VARIABLES --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_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 15:40:16,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 15:40:16,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 15:40:16,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 15:40:16,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 15:40:16,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 15:40:16,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 15:40:16,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 15:40:16,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 15:40:16,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 15:40:16,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 15:40:16,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 15:40:16,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 15:40:16,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 15:40:16,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 15:40:16,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 15:40:16,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 15:40:16,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 15:40:16,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 15:40:16,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 15:40:16,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 15:40:16,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 15:40:16,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 15:40:16,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 15:40:16,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 15:40:16,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 15:40:16,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 15:40:16,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 15:40:16,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 15:40:16,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 15:40:16,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 15:40:16,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 15:40:16,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 15:40:16,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 15:40:16,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 15:40:16,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 15:40:16,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 15:40:16,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 15:40:16,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 15:40:16,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 15:40:16,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 15:40:16,661 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 15:40:16,682 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 15:40:16,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 15:40:16,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 15:40:16,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 15:40:16,685 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 15:40:16,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 15:40:16,685 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 15:40:16,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 15:40:16,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 15:40:16,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 15:40:16,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 15:40:16,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 15:40:16,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 15:40:16,688 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 15:40:16,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 15:40:16,688 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 15:40:16,689 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 15:40:16,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 15:40:16,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 15:40:16,689 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 15:40:16,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 15:40:16,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:40:16,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 15:40:16,691 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 15:40:16,691 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 15:40:16,691 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 15:40:16,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:16,692 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 15:40:16,692 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 15:40:16,692 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_VARIABLES 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 15:40:16,968 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 15:40:16,981 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 15:40:16,984 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 15:40:16,986 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 15:40:16,986 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 15:40:16,987 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product17.cil.c [2020-07-21 15:40:17,065 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23423156e/62fc6075c6cb4743ae12c1470c9235bb/FLAG37e9b7a6a [2020-07-21 15:40:17,601 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 15:40:17,602 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product17.cil.c [2020-07-21 15:40:17,621 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23423156e/62fc6075c6cb4743ae12c1470c9235bb/FLAG37e9b7a6a [2020-07-21 15:40:17,892 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23423156e/62fc6075c6cb4743ae12c1470c9235bb [2020-07-21 15:40:17,900 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 15:40:17,903 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 15:40:17,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 15:40:17,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 15:40:17,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 15:40:17,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:40:17" (1/1) ... [2020-07-21 15:40:17,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22c640b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:17, skipping insertion in model container [2020-07-21 15:40:17,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:40:17" (1/1) ... [2020-07-21 15:40:17,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 15:40:17,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 15:40:18,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:40:18,452 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 15:40:18,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:40:18,578 INFO L208 MainTranslator]: Completed translation [2020-07-21 15:40:18,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:18 WrapperNode [2020-07-21 15:40:18,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 15:40:18,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 15:40:18,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 15:40:18,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 15:40:18,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:18" (1/1) ... [2020-07-21 15:40:18,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:18" (1/1) ... [2020-07-21 15:40:18,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:18" (1/1) ... [2020-07-21 15:40:18,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:18" (1/1) ... [2020-07-21 15:40:18,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:18" (1/1) ... [2020-07-21 15:40:18,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:18" (1/1) ... [2020-07-21 15:40:18,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:18" (1/1) ... [2020-07-21 15:40:18,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 15:40:18,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 15:40:18,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 15:40:18,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 15:40:18,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:18" (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 15:40:18,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 15:40:18,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 15:40:18,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 15:40:18,794 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 15:40:18,795 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 15:40:18,795 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 15:40:18,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 15:40:18,796 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 15:40:18,796 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 15:40:18,796 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 15:40:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 15:40:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 15:40:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 15:40:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 15:40:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 15:40:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 15:40:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 15:40:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 15:40:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 15:40:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 15:40:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 15:40:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 15:40:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 15:40:18,801 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 15:40:18,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 15:40:18,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 15:40:18,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 15:40:18,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 15:40:18,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 15:40:18,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 15:40:18,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 15:40:18,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-21 15:40:18,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-21 15:40:18,803 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 15:40:18,804 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 15:40:18,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 15:40:18,804 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 15:40:18,805 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 15:40:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 15:40:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 15:40:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 15:40:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 15:40:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 15:40:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 15:40:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 15:40:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 15:40:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 15:40:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 15:40:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 15:40:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 15:40:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 15:40:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 15:40:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 15:40:18,807 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 15:40:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 15:40:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 15:40:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-21 15:40:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 15:40:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 15:40:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 15:40:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 15:40:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 15:40:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 15:40:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 15:40:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 15:40:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 15:40:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 15:40:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 15:40:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 15:40:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 15:40:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 15:40:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 15:40:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 15:40:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 15:40:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 15:40:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 15:40:18,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 15:40:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 15:40:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 15:40:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 15:40:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 15:40:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 15:40:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-21 15:40:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 15:40:18,815 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 15:40:18,816 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 15:40:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 15:40:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 15:40:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 15:40:18,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 15:40:19,925 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 15:40:19,926 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 15:40:19,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:40:19 BoogieIcfgContainer [2020-07-21 15:40:19,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 15:40:19,933 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 15:40:19,933 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 15:40:19,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 15:40:19,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:40:17" (1/3) ... [2020-07-21 15:40:19,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70d36f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:40:19, skipping insertion in model container [2020-07-21 15:40:19,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:18" (2/3) ... [2020-07-21 15:40:19,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70d36f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:40:19, skipping insertion in model container [2020-07-21 15:40:19,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:40:19" (3/3) ... [2020-07-21 15:40:19,940 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product17.cil.c [2020-07-21 15:40:19,951 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 15:40:19,959 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 15:40:19,974 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 15:40:19,999 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 15:40:19,999 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 15:40:19,999 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 15:40:19,999 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 15:40:20,000 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 15:40:20,000 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 15:40:20,000 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 15:40:20,000 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 15:40:20,022 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2020-07-21 15:40:20,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 15:40:20,030 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:20,031 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 15:40:20,032 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:20,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:20,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1676569926, now seen corresponding path program 1 times [2020-07-21 15:40:20,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:20,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1771534996] [2020-07-21 15:40:20,045 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 15:40:20,400 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:20,401 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:20,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 15:40:20,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:20,446 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 15:40:20,446 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:20,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1771534996] [2020-07-21 15:40:20,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:20,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 15:40:20,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047638287] [2020-07-21 15:40:20,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 15:40:20,455 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:20,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 15:40:20,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:40:20,472 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 2 states. [2020-07-21 15:40:20,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:20,511 INFO L93 Difference]: Finished difference Result 214 states and 267 transitions. [2020-07-21 15:40:20,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 15:40:20,512 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-21 15:40:20,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:20,525 INFO L225 Difference]: With dead ends: 214 [2020-07-21 15:40:20,525 INFO L226 Difference]: Without dead ends: 109 [2020-07-21 15:40:20,529 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 15:40:20,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-07-21 15:40:20,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2020-07-21 15:40:20,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-07-21 15:40:20,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2020-07-21 15:40:20,583 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 51 [2020-07-21 15:40:20,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:20,584 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2020-07-21 15:40:20,584 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 15:40:20,584 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2020-07-21 15:40:20,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 15:40:20,588 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:20,588 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 15:40:20,801 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:20,803 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:20,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:20,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1153065381, now seen corresponding path program 1 times [2020-07-21 15:40:20,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:20,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1629698668] [2020-07-21 15:40:20,805 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 15:40:21,117 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:21,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:21,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:40:21,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:21,178 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 15:40:21,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:21,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1629698668] [2020-07-21 15:40:21,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:21,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:40:21,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885310860] [2020-07-21 15:40:21,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:40:21,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:21,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:40:21,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:21,186 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand 3 states. [2020-07-21 15:40:21,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:21,226 INFO L93 Difference]: Finished difference Result 190 states and 229 transitions. [2020-07-21 15:40:21,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:40:21,229 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 15:40:21,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:21,233 INFO L225 Difference]: With dead ends: 190 [2020-07-21 15:40:21,233 INFO L226 Difference]: Without dead ends: 109 [2020-07-21 15:40:21,236 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 15:40:21,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-07-21 15:40:21,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2020-07-21 15:40:21,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-07-21 15:40:21,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 126 transitions. [2020-07-21 15:40:21,265 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 126 transitions. Word has length 52 [2020-07-21 15:40:21,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:21,265 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 126 transitions. [2020-07-21 15:40:21,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:40:21,266 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 126 transitions. [2020-07-21 15:40:21,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-21 15:40:21,272 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:21,273 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:21,485 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:21,486 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:21,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:21,486 INFO L82 PathProgramCache]: Analyzing trace with hash -2135764053, now seen corresponding path program 1 times [2020-07-21 15:40:21,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:21,487 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1079853548] [2020-07-21 15:40:21,488 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 15:40:21,854 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:21,855 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:21,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 15:40:21,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:21,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:40:21,903 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:21,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1079853548] [2020-07-21 15:40:21,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:21,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:40:21,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80088837] [2020-07-21 15:40:21,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:40:21,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:21,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:40:21,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:40:21,906 INFO L87 Difference]: Start difference. First operand 109 states and 126 transitions. Second operand 6 states. [2020-07-21 15:40:22,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:22,075 INFO L93 Difference]: Finished difference Result 166 states and 201 transitions. [2020-07-21 15:40:22,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 15:40:22,075 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2020-07-21 15:40:22,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:22,076 INFO L225 Difference]: With dead ends: 166 [2020-07-21 15:40:22,077 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 15:40:22,078 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 59 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 15:40:22,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 15:40:22,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 15:40:22,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 15:40:22,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 15:40:22,080 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2020-07-21 15:40:22,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:22,080 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 15:40:22,080 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:40:22,080 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 15:40:22,080 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 15:40:22,288 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:22,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 15:40:22,992 INFO L268 CegarLoopResult]: For program point L506(lines 483 507) no Hoare annotation was computed. [2020-07-21 15:40:22,992 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 459 514) no Hoare annotation was computed. [2020-07-21 15:40:22,992 INFO L268 CegarLoopResult]: For program point L490(lines 490 494) no Hoare annotation was computed. [2020-07-21 15:40:22,993 INFO L268 CegarLoopResult]: For program point L490-1(lines 490 494) no Hoare annotation was computed. [2020-07-21 15:40:22,993 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 459 514) no Hoare annotation was computed. [2020-07-21 15:40:22,993 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-21 15:40:22,993 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 459 514) no Hoare annotation was computed. [2020-07-21 15:40:22,993 INFO L268 CegarLoopResult]: For program point L484-2(lines 484 505) no Hoare annotation was computed. [2020-07-21 15:40:22,993 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-21 15:40:22,993 INFO L268 CegarLoopResult]: For program point L541-2(lines 541 566) no Hoare annotation was computed. [2020-07-21 15:40:22,994 INFO L268 CegarLoopResult]: For program point L567(lines 540 568) no Hoare annotation was computed. [2020-07-21 15:40:22,994 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 515 574) no Hoare annotation was computed. [2020-07-21 15:40:22,994 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-21 15:40:22,994 INFO L268 CegarLoopResult]: For program point L560-1(line 560) no Hoare annotation was computed. [2020-07-21 15:40:22,994 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 515 574) no Hoare annotation was computed. [2020-07-21 15:40:22,994 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 515 574) no Hoare annotation was computed. [2020-07-21 15:40:22,994 INFO L268 CegarLoopResult]: For program point L547(lines 547 551) no Hoare annotation was computed. [2020-07-21 15:40:22,995 INFO L268 CegarLoopResult]: For program point L547-1(lines 547 551) no Hoare annotation was computed. [2020-07-21 15:40:22,995 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 381 387) the Hoare annotation is: true [2020-07-21 15:40:22,995 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 381 387) no Hoare annotation was computed. [2020-07-21 15:40:22,998 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 388 396) no Hoare annotation was computed. [2020-07-21 15:40:22,998 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 388 396) the Hoare annotation is: true [2020-07-21 15:40:22,998 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 388 396) no Hoare annotation was computed. [2020-07-21 15:40:22,998 INFO L264 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:22,998 INFO L264 CegarLoopResult]: At program point L897-1(line 897) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:22,999 INFO L268 CegarLoopResult]: For program point L895(lines 895 902) no Hoare annotation was computed. [2020-07-21 15:40:22,999 INFO L268 CegarLoopResult]: For program point L895-1(lines 895 902) no Hoare annotation was computed. [2020-07-21 15:40:22,999 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 885 907) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:23,000 INFO L268 CegarLoopResult]: For program point L893(line 893) no Hoare annotation was computed. [2020-07-21 15:40:23,000 INFO L264 CegarLoopResult]: At program point L892(line 892) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:23,000 INFO L264 CegarLoopResult]: At program point L891(line 891) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:23,000 INFO L264 CegarLoopResult]: At program point L891-1(line 891) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:23,001 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 885 907) no Hoare annotation was computed. [2020-07-21 15:40:23,001 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 885 907) no Hoare annotation was computed. [2020-07-21 15:40:23,001 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 843 866) no Hoare annotation was computed. [2020-07-21 15:40:23,001 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-07-21 15:40:23,001 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 843 866) no Hoare annotation was computed. [2020-07-21 15:40:23,001 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-07-21 15:40:23,001 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 843 866) no Hoare annotation was computed. [2020-07-21 15:40:23,002 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-07-21 15:40:23,002 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-07-21 15:40:23,002 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-21 15:40:23,002 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-21 15:40:23,002 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-07-21 15:40:23,002 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-07-21 15:40:23,002 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-07-21 15:40:23,002 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-07-21 15:40:23,003 INFO L268 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-07-21 15:40:23,003 INFO L268 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-07-21 15:40:23,003 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-07-21 15:40:23,003 INFO L268 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-07-21 15:40:23,003 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 295 303) no Hoare annotation was computed. [2020-07-21 15:40:23,003 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 295 303) the Hoare annotation is: true [2020-07-21 15:40:23,003 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 295 303) no Hoare annotation was computed. [2020-07-21 15:40:23,004 INFO L268 CegarLoopResult]: For program point L349(lines 349 353) no Hoare annotation was computed. [2020-07-21 15:40:23,004 INFO L271 CegarLoopResult]: At program point L347(line 347) the Hoare annotation is: true [2020-07-21 15:40:23,004 INFO L268 CegarLoopResult]: For program point L349-2(lines 349 353) no Hoare annotation was computed. [2020-07-21 15:40:23,004 INFO L268 CegarLoopResult]: For program point L347-1(line 347) no Hoare annotation was computed. [2020-07-21 15:40:23,004 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 340 358) the Hoare annotation is: true [2020-07-21 15:40:23,004 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 340 358) no Hoare annotation was computed. [2020-07-21 15:40:23,004 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 340 358) no Hoare annotation was computed. [2020-07-21 15:40:23,005 INFO L268 CegarLoopResult]: For program point L323-2(lines 323 331) no Hoare annotation was computed. [2020-07-21 15:40:23,005 INFO L268 CegarLoopResult]: For program point L311(lines 311 319) no Hoare annotation was computed. [2020-07-21 15:40:23,005 INFO L268 CegarLoopResult]: For program point L311-2(lines 311 319) no Hoare annotation was computed. [2020-07-21 15:40:23,005 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 304 339) no Hoare annotation was computed. [2020-07-21 15:40:23,005 INFO L268 CegarLoopResult]: For program point L334(line 334) no Hoare annotation was computed. [2020-07-21 15:40:23,005 INFO L268 CegarLoopResult]: For program point L334-1(line 334) no Hoare annotation was computed. [2020-07-21 15:40:23,005 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 304 339) no Hoare annotation was computed. [2020-07-21 15:40:23,006 INFO L268 CegarLoopResult]: For program point L323(lines 323 331) no Hoare annotation was computed. [2020-07-21 15:40:23,006 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 304 339) no Hoare annotation was computed. [2020-07-21 15:40:23,006 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 374 380) no Hoare annotation was computed. [2020-07-21 15:40:23,006 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 374 380) the Hoare annotation is: true [2020-07-21 15:40:23,006 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 413 458) no Hoare annotation was computed. [2020-07-21 15:40:23,006 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 413 458) no Hoare annotation was computed. [2020-07-21 15:40:23,006 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 413 458) no Hoare annotation was computed. [2020-07-21 15:40:23,006 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 726 771) no Hoare annotation was computed. [2020-07-21 15:40:23,007 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 726 771) no Hoare annotation was computed. [2020-07-21 15:40:23,007 INFO L268 CegarLoopResult]: For program point L746(lines 746 753) no Hoare annotation was computed. [2020-07-21 15:40:23,007 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 726 771) no Hoare annotation was computed. [2020-07-21 15:40:23,007 INFO L268 CegarLoopResult]: For program point L740(lines 740 760) no Hoare annotation was computed. [2020-07-21 15:40:23,007 INFO L268 CegarLoopResult]: For program point L740-1(lines 740 760) no Hoare annotation was computed. [2020-07-21 15:40:23,007 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 874 884) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:23,010 INFO L264 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:23,010 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 874 884) no Hoare annotation was computed. [2020-07-21 15:40:23,011 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 874 884) no Hoare annotation was computed. [2020-07-21 15:40:23,011 INFO L268 CegarLoopResult]: For program point L289(line 289) no Hoare annotation was computed. [2020-07-21 15:40:23,011 INFO L268 CegarLoopResult]: For program point L289-1(line 289) no Hoare annotation was computed. [2020-07-21 15:40:23,011 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 284 294) no Hoare annotation was computed. [2020-07-21 15:40:23,011 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 284 294) no Hoare annotation was computed. [2020-07-21 15:40:23,011 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 284 294) no Hoare annotation was computed. [2020-07-21 15:40:23,011 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 276 283) the Hoare annotation is: true [2020-07-21 15:40:23,011 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 276 283) no Hoare annotation was computed. [2020-07-21 15:40:23,011 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 276 283) no Hoare annotation was computed. [2020-07-21 15:40:23,012 INFO L264 CegarLoopResult]: At program point L257(line 257) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:40:23,012 INFO L264 CegarLoopResult]: At program point L253(line 253) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:40:23,012 INFO L268 CegarLoopResult]: For program point L251(lines 251 259) no Hoare annotation was computed. [2020-07-21 15:40:23,012 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:40:23,012 INFO L268 CegarLoopResult]: For program point L249-1(line 249) no Hoare annotation was computed. [2020-07-21 15:40:23,012 INFO L268 CegarLoopResult]: For program point L247(lines 247 264) no Hoare annotation was computed. [2020-07-21 15:40:23,012 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 243 267) no Hoare annotation was computed. [2020-07-21 15:40:23,012 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 243 267) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:23,013 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:23,013 INFO L268 CegarLoopResult]: For program point L262-1(lines 243 267) no Hoare annotation was computed. [2020-07-21 15:40:23,013 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 235 241) no Hoare annotation was computed. [2020-07-21 15:40:23,013 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 235 241) the Hoare annotation is: true [2020-07-21 15:40:23,013 INFO L264 CegarLoopResult]: At program point testENTRY(lines 138 201) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:23,013 INFO L268 CegarLoopResult]: For program point L184(lines 184 188) no Hoare annotation was computed. [2020-07-21 15:40:23,013 INFO L268 CegarLoopResult]: For program point testFINAL(lines 138 201) no Hoare annotation was computed. [2020-07-21 15:40:23,014 INFO L264 CegarLoopResult]: At program point L184-2(lines 178 189) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:23,014 INFO L268 CegarLoopResult]: For program point L149(lines 148 193) no Hoare annotation was computed. [2020-07-21 15:40:23,014 INFO L268 CegarLoopResult]: For program point L178(lines 178 189) no Hoare annotation was computed. [2020-07-21 15:40:23,014 INFO L264 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:23,014 INFO L268 CegarLoopResult]: For program point L168(lines 168 174) no Hoare annotation was computed. [2020-07-21 15:40:23,014 INFO L268 CegarLoopResult]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2020-07-21 15:40:23,014 INFO L264 CegarLoopResult]: At program point L160(line 160) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:23,015 INFO L264 CegarLoopResult]: At program point L191(lines 148 193) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:23,015 INFO L268 CegarLoopResult]: For program point L158(lines 158 164) no Hoare annotation was computed. [2020-07-21 15:40:23,015 INFO L268 CegarLoopResult]: For program point L158-1(lines 158 164) no Hoare annotation was computed. [2020-07-21 15:40:23,015 INFO L268 CegarLoopResult]: For program point L150(lines 150 154) no Hoare annotation was computed. [2020-07-21 15:40:23,015 INFO L268 CegarLoopResult]: For program point testEXIT(lines 138 201) no Hoare annotation was computed. [2020-07-21 15:40:23,015 INFO L264 CegarLoopResult]: At program point L194(lines 147 195) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:23,015 INFO L268 CegarLoopResult]: For program point L700(lines 700 707) no Hoare annotation was computed. [2020-07-21 15:40:23,016 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 680 725) no Hoare annotation was computed. [2020-07-21 15:40:23,016 INFO L268 CegarLoopResult]: For program point L694(lines 694 714) no Hoare annotation was computed. [2020-07-21 15:40:23,016 INFO L268 CegarLoopResult]: For program point L694-1(lines 694 714) no Hoare annotation was computed. [2020-07-21 15:40:23,016 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 680 725) no Hoare annotation was computed. [2020-07-21 15:40:23,016 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 680 725) no Hoare annotation was computed. [2020-07-21 15:40:23,016 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2020-07-21 15:40:23,016 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2020-07-21 15:40:23,016 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2020-07-21 15:40:23,017 INFO L264 CegarLoopResult]: At program point L797(line 797) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:40:23,017 INFO L268 CegarLoopResult]: For program point L795(lines 795 801) no Hoare annotation was computed. [2020-07-21 15:40:23,017 INFO L268 CegarLoopResult]: For program point L794(lines 794 804) no Hoare annotation was computed. [2020-07-21 15:40:23,017 INFO L271 CegarLoopResult]: At program point L792(line 792) the Hoare annotation is: true [2020-07-21 15:40:23,017 INFO L268 CegarLoopResult]: For program point L792-1(line 792) no Hoare annotation was computed. [2020-07-21 15:40:23,017 INFO L268 CegarLoopResult]: For program point L790(lines 790 807) no Hoare annotation was computed. [2020-07-21 15:40:23,017 INFO L268 CegarLoopResult]: For program point L790-1(lines 782 810) no Hoare annotation was computed. [2020-07-21 15:40:23,018 INFO L271 CegarLoopResult]: At program point L788(line 788) the Hoare annotation is: true [2020-07-21 15:40:23,018 INFO L268 CegarLoopResult]: For program point L788-1(line 788) no Hoare annotation was computed. [2020-07-21 15:40:23,018 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 782 810) the Hoare annotation is: true [2020-07-21 15:40:23,018 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 782 810) no Hoare annotation was computed. [2020-07-21 15:40:23,018 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-21 15:40:23,018 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-21 15:40:23,018 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-21 15:40:23,018 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-21 15:40:23,019 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-21 15:40:23,019 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 774 781) the Hoare annotation is: true [2020-07-21 15:40:23,019 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 774 781) no Hoare annotation was computed. [2020-07-21 15:40:23,019 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 774 781) no Hoare annotation was computed. [2020-07-21 15:40:23,019 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 364 373) no Hoare annotation was computed. [2020-07-21 15:40:23,019 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 364 373) no Hoare annotation was computed. [2020-07-21 15:40:23,019 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 364 373) no Hoare annotation was computed. [2020-07-21 15:40:23,020 INFO L268 CegarLoopResult]: For program point L642-1(line 642) no Hoare annotation was computed. [2020-07-21 15:40:23,020 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 577 679) no Hoare annotation was computed. [2020-07-21 15:40:23,020 INFO L268 CegarLoopResult]: For program point L601(lines 601 605) no Hoare annotation was computed. [2020-07-21 15:40:23,020 INFO L268 CegarLoopResult]: For program point L665(lines 665 676) no Hoare annotation was computed. [2020-07-21 15:40:23,020 INFO L268 CegarLoopResult]: For program point L628(lines 628 632) no Hoare annotation was computed. [2020-07-21 15:40:23,020 INFO L268 CegarLoopResult]: For program point L626-2(lines 626 646) no Hoare annotation was computed. [2020-07-21 15:40:23,020 INFO L268 CegarLoopResult]: For program point L647(lines 625 648) no Hoare annotation was computed. [2020-07-21 15:40:23,021 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 577 679) no Hoare annotation was computed. [2020-07-21 15:40:23,021 INFO L268 CegarLoopResult]: For program point L606(lines 606 622) no Hoare annotation was computed. [2020-07-21 15:40:23,021 INFO L268 CegarLoopResult]: For program point L666(lines 666 673) no Hoare annotation was computed. [2020-07-21 15:40:23,021 INFO L268 CegarLoopResult]: For program point L627(lines 626 646) no Hoare annotation was computed. [2020-07-21 15:40:23,021 INFO L268 CegarLoopResult]: For program point L658(line 658) no Hoare annotation was computed. [2020-07-21 15:40:23,021 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 577 679) no Hoare annotation was computed. [2020-07-21 15:40:23,021 INFO L268 CegarLoopResult]: For program point L658-1(line 658) no Hoare annotation was computed. [2020-07-21 15:40:23,021 INFO L268 CegarLoopResult]: For program point L623(lines 623 664) no Hoare annotation was computed. [2020-07-21 15:40:23,022 INFO L268 CegarLoopResult]: For program point L642(line 642) no Hoare annotation was computed. [2020-07-21 15:40:23,022 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:40:23,022 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:40:23,022 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:40:23,022 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 268 275) no Hoare annotation was computed. [2020-07-21 15:40:23,022 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 268 275) no Hoare annotation was computed. [2020-07-21 15:40:23,022 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 268 275) no Hoare annotation was computed. [2020-07-21 15:40:23,023 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2020-07-21 15:40:23,023 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-21 15:40:23,023 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-21 15:40:23,023 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-21 15:40:23,023 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2020-07-21 15:40:23,023 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-21 15:40:23,023 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:40:23,023 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 15:40:23,023 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:40:23,024 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-21 15:40:23,024 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-21 15:40:23,024 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-21 15:40:23,024 INFO L264 CegarLoopResult]: At program point L224(line 224) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:23,024 INFO L264 CegarLoopResult]: At program point L222(lines 222 228) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:23,024 INFO L264 CegarLoopResult]: At program point L217(line 217) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:40:23,024 INFO L268 CegarLoopResult]: For program point L215(lines 214 233) no Hoare annotation was computed. [2020-07-21 15:40:23,025 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 211 234) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:23,025 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 211 234) no Hoare annotation was computed. [2020-07-21 15:40:23,025 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 211 234) no Hoare annotation was computed. [2020-07-21 15:40:23,025 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 813 842) no Hoare annotation was computed. [2020-07-21 15:40:23,025 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 813 842) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:23,025 INFO L268 CegarLoopResult]: For program point L827(lines 827 831) no Hoare annotation was computed. [2020-07-21 15:40:23,026 INFO L264 CegarLoopResult]: At program point L827-1(lines 827 831) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:23,026 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-07-21 15:40:23,026 INFO L264 CegarLoopResult]: At program point L823-2(lines 823 837) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:23,026 INFO L264 CegarLoopResult]: At program point L819(line 819) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:23,026 INFO L268 CegarLoopResult]: For program point L819-1(line 819) no Hoare annotation was computed. [2020-07-21 15:40:23,026 INFO L271 CegarLoopResult]: At program point L838(lines 813 842) the Hoare annotation is: true [2020-07-21 15:40:23,026 INFO L268 CegarLoopResult]: For program point L834(line 834) no Hoare annotation was computed. [2020-07-21 15:40:23,026 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-07-21 15:40:23,027 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-21 15:40:23,027 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-21 15:40:23,027 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 867 873) no Hoare annotation was computed. [2020-07-21 15:40:23,027 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 867 873) the Hoare annotation is: true [2020-07-21 15:40:23,027 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:40:23,027 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 15:40:23,027 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:40:23,027 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:40:23,028 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-21 15:40:23,028 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-21 15:40:23,028 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2020-07-21 15:40:23,028 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 398 405) no Hoare annotation was computed. [2020-07-21 15:40:23,028 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 402) no Hoare annotation was computed. [2020-07-21 15:40:23,028 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 398 405) the Hoare annotation is: true [2020-07-21 15:40:23,028 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 398 405) no Hoare annotation was computed. [2020-07-21 15:40:23,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 03:40:23 BoogieIcfgContainer [2020-07-21 15:40:23,054 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 15:40:23,057 INFO L168 Benchmark]: Toolchain (without parser) took 5154.17 ms. Allocated memory was 145.8 MB in the beginning and 246.9 MB in the end (delta: 101.2 MB). Free memory was 102.0 MB in the beginning and 134.2 MB in the end (delta: -32.2 MB). Peak memory consumption was 113.6 MB. Max. memory is 7.1 GB. [2020-07-21 15:40:23,058 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 145.8 MB. Free memory is still 121.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 15:40:23,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.94 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 101.6 MB in the beginning and 172.8 MB in the end (delta: -71.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2020-07-21 15:40:23,060 INFO L168 Benchmark]: Boogie Preprocessor took 130.59 ms. Allocated memory is still 203.9 MB. Free memory was 172.8 MB in the beginning and 167.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-21 15:40:23,061 INFO L168 Benchmark]: RCFGBuilder took 1220.87 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 167.9 MB in the beginning and 198.5 MB in the end (delta: -30.6 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2020-07-21 15:40:23,062 INFO L168 Benchmark]: TraceAbstraction took 3121.47 ms. Allocated memory was 236.5 MB in the beginning and 246.9 MB in the end (delta: 10.5 MB). Free memory was 198.5 MB in the beginning and 134.2 MB in the end (delta: 64.3 MB). Peak memory consumption was 119.4 MB. Max. memory is 7.1 GB. [2020-07-21 15:40:23,066 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 145.8 MB. Free memory is still 121.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 674.94 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 101.6 MB in the beginning and 172.8 MB in the end (delta: -71.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.59 ms. Allocated memory is still 203.9 MB. Free memory was 172.8 MB in the beginning and 167.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1220.87 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 167.9 MB in the beginning and 198.5 MB in the end (delta: -30.6 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3121.47 ms. Allocated memory was 236.5 MB in the beginning and 246.9 MB in the end (delta: 10.5 MB). Free memory was 198.5 MB in the beginning and 134.2 MB in the end (delta: 64.3 MB). Peak memory consumption was 119.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 402]: 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: 813]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(0 == \old(pumpRunning))) || 0 == pumpRunning - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(0 == \old(pumpRunning))) || 0 == pumpRunning - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(0 == \old(pumpRunning))) || 0 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 354 SDtfs, 168 SDslu, 231 SDs, 0 SdLazy, 56 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 166 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 167 PreInvPairs, 183 NumberOfFragments, 350 HoareAnnotationTreeSize, 167 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 51 FomulaSimplificationsInter, 287 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 167 NumberOfCodeBlocks, 167 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 15334 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2041 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...