/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:00:32,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:00:32,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:00:32,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:00:32,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:00:32,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:00:32,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:00:32,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:00:32,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:00:32,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:00:32,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:00:32,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:00:32,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:00:32,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:00:32,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:00:32,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:00:32,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:00:32,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:00:32,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:00:32,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:00:32,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:00:32,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:00:32,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:00:32,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:00:32,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:00:32,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:00:32,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:00:32,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:00:32,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:00:32,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:00:32,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:00:32,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:00:32,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:00:32,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:00:32,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:00:32,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:00:32,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:00:32,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:00:32,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:00:32,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:00:32,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:00:32,691 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 13:00:32,706 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:00:32,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:00:32,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:00:32,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:00:32,708 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:00:32,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:00:32,709 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:00:32,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:00:32,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:00:32,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:00:32,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:00:32,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:00:32,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:00:32,710 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:00:32,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:00:32,710 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:00:32,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:00:32,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:00:32,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:00:32,711 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:00:32,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:00:32,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:00:32,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:00:32,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:00:32,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:00:32,713 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:00:32,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:00:32,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:00:32,713 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:00:32,713 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 13:00:33,019 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:00:33,033 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:00:33,036 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:00:33,038 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:00:33,038 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:00:33,039 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product19.cil.c [2020-07-20 13:00:33,123 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47143d8b6/687174330729448b9e3aadbdf84f7409/FLAG17546d7de [2020-07-20 13:00:33,659 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:00:33,660 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product19.cil.c [2020-07-20 13:00:33,673 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47143d8b6/687174330729448b9e3aadbdf84f7409/FLAG17546d7de [2020-07-20 13:00:33,969 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47143d8b6/687174330729448b9e3aadbdf84f7409 [2020-07-20 13:00:33,977 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:00:33,981 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:00:33,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:00:33,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:00:33,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:00:33,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:00:33" (1/1) ... [2020-07-20 13:00:33,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5461bb85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:33, skipping insertion in model container [2020-07-20 13:00:33,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:00:33" (1/1) ... [2020-07-20 13:00:33,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:00:34,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:00:34,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:00:34,511 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:00:34,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:00:34,640 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:00:34,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:34 WrapperNode [2020-07-20 13:00:34,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:00:34,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:00:34,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:00:34,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:00:34,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:34" (1/1) ... [2020-07-20 13:00:34,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:34" (1/1) ... [2020-07-20 13:00:34,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:34" (1/1) ... [2020-07-20 13:00:34,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:34" (1/1) ... [2020-07-20 13:00:34,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:34" (1/1) ... [2020-07-20 13:00:34,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:34" (1/1) ... [2020-07-20 13:00:34,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:34" (1/1) ... [2020-07-20 13:00:34,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:00:34,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:00:34,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:00:34,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:00:34,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:00:34,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:00:34,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:00:34,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:00:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-20 13:00:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:00:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:00:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:00:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:00:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:00:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:00:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:00:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 13:00:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:00:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:00:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:00:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:00:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:00:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:00:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:00:34,830 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:00:34,831 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:00:34,831 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:00:34,831 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:00:34,831 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:00:34,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:00:34,831 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:00:34,832 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:00:34,832 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:00:34,832 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:00:34,832 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:00:34,832 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:00:34,832 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:00:34,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:00:34,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:00:34,833 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:00:34,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 13:00:34,833 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 13:00:34,833 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:00:34,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:00:34,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:00:34,834 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:00:34,834 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:00:34,834 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:00:34,834 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:00:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-20 13:00:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:00:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:00:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:00:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:00:34,835 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:00:34,836 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 13:00:34,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:00:34,836 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:00:34,836 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:00:34,836 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:00:34,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:00:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:00:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:00:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:00:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:00:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:00:34,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:00:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:00:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:00:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:00:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:00:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:00:34,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:00:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:00:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:00:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:00:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:00:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:00:34,839 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:00:34,840 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:00:34,840 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:00:34,840 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:00:34,840 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:00:34,840 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:00:34,840 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:00:34,840 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:00:34,841 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:00:34,841 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 13:00:34,841 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:00:34,841 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:00:34,841 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 13:00:34,841 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:00:34,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:00:34,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:00:34,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:00:35,987 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:00:35,988 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:00:35,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:00:35 BoogieIcfgContainer [2020-07-20 13:00:35,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:00:35,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:00:35,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:00:35,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:00:35,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:00:33" (1/3) ... [2020-07-20 13:00:35,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436fb99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:00:35, skipping insertion in model container [2020-07-20 13:00:36,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:34" (2/3) ... [2020-07-20 13:00:36,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436fb99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:00:36, skipping insertion in model container [2020-07-20 13:00:36,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:00:35" (3/3) ... [2020-07-20 13:00:36,002 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product19.cil.c [2020-07-20 13:00:36,011 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:00:36,020 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:00:36,034 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:00:36,063 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:00:36,063 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:00:36,063 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:00:36,064 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:00:36,064 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:00:36,064 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:00:36,064 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:00:36,065 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:00:36,090 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2020-07-20 13:00:36,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 13:00:36,100 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:00:36,102 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:00:36,102 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:00:36,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:00:36,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1656693651, now seen corresponding path program 1 times [2020-07-20 13:00:36,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:00:36,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [265331755] [2020-07-20 13:00:36,120 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:00:36,612 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:00:36,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:00:36,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:00:36,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:00:36,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:00:36,658 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:00:36,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [265331755] [2020-07-20 13:00:36,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:00:36,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:00:36,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529508275] [2020-07-20 13:00:36,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:00:36,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:00:36,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:00:36,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:00:36,685 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 2 states. [2020-07-20 13:00:36,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:00:36,730 INFO L93 Difference]: Finished difference Result 220 states and 275 transitions. [2020-07-20 13:00:36,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:00:36,732 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 13:00:36,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:00:36,748 INFO L225 Difference]: With dead ends: 220 [2020-07-20 13:00:36,748 INFO L226 Difference]: Without dead ends: 110 [2020-07-20 13:00:36,753 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:00:36,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-07-20 13:00:36,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-07-20 13:00:36,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-07-20 13:00:36,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2020-07-20 13:00:36,816 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2020-07-20 13:00:36,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:00:36,817 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2020-07-20 13:00:36,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:00:36,817 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2020-07-20 13:00:36,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 13:00:36,821 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:00:36,822 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:00:37,034 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:00:37,035 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:00:37,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:00:37,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1393271361, now seen corresponding path program 1 times [2020-07-20 13:00:37,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:00:37,037 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1493118314] [2020-07-20 13:00:37,037 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:00:37,441 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:00:37,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:00:37,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:00:37,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:00:37,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:00:37,494 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:00:37,494 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1493118314] [2020-07-20 13:00:37,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:00:37,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:00:37,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139246899] [2020-07-20 13:00:37,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:00:37,497 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:00:37,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:00:37,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:00:37,498 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 3 states. [2020-07-20 13:00:37,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:00:37,518 INFO L93 Difference]: Finished difference Result 163 states and 189 transitions. [2020-07-20 13:00:37,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:00:37,518 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 13:00:37,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:00:37,521 INFO L225 Difference]: With dead ends: 163 [2020-07-20 13:00:37,521 INFO L226 Difference]: Without dead ends: 101 [2020-07-20 13:00:37,522 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:00:37,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-07-20 13:00:37,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-07-20 13:00:37,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-07-20 13:00:37,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2020-07-20 13:00:37,537 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2020-07-20 13:00:37,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:00:37,537 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2020-07-20 13:00:37,537 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:00:37,537 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2020-07-20 13:00:37,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 13:00:37,540 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:00:37,540 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:00:37,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:00:37,755 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:00:37,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:00:37,756 INFO L82 PathProgramCache]: Analyzing trace with hash -618356964, now seen corresponding path program 1 times [2020-07-20 13:00:37,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:00:37,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1599067318] [2020-07-20 13:00:37,757 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:00:38,196 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:00:38,197 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:00:38,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:00:38,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:00:38,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:00:38,238 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:00:38,239 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1599067318] [2020-07-20 13:00:38,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:00:38,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:00:38,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280802047] [2020-07-20 13:00:38,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:00:38,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:00:38,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:00:38,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:00:38,241 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 3 states. [2020-07-20 13:00:38,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:00:38,268 INFO L93 Difference]: Finished difference Result 253 states and 303 transitions. [2020-07-20 13:00:38,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:00:38,268 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-20 13:00:38,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:00:38,272 INFO L225 Difference]: With dead ends: 253 [2020-07-20 13:00:38,272 INFO L226 Difference]: Without dead ends: 176 [2020-07-20 13:00:38,274 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:00:38,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-07-20 13:00:38,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 172. [2020-07-20 13:00:38,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-07-20 13:00:38,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 205 transitions. [2020-07-20 13:00:38,299 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 205 transitions. Word has length 51 [2020-07-20 13:00:38,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:00:38,299 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 205 transitions. [2020-07-20 13:00:38,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:00:38,300 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 205 transitions. [2020-07-20 13:00:38,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 13:00:38,302 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:00:38,303 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] [2020-07-20 13:00:38,515 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:00:38,516 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:00:38,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:00:38,517 INFO L82 PathProgramCache]: Analyzing trace with hash -984041994, now seen corresponding path program 1 times [2020-07-20 13:00:38,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:00:38,518 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [597516438] [2020-07-20 13:00:38,519 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:00:38,935 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:00:38,935 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:00:38,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:00:38,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:00:38,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:00:38,996 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:00:38,996 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [597516438] [2020-07-20 13:00:38,996 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:00:38,996 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:00:38,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680786543] [2020-07-20 13:00:38,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:00:38,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:00:38,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:00:38,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:00:38,998 INFO L87 Difference]: Start difference. First operand 172 states and 205 transitions. Second operand 6 states. [2020-07-20 13:00:39,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:00:39,233 INFO L93 Difference]: Finished difference Result 275 states and 338 transitions. [2020-07-20 13:00:39,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:00:39,234 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-07-20 13:00:39,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:00:39,234 INFO L225 Difference]: With dead ends: 275 [2020-07-20 13:00:39,235 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:00:39,237 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:00:39,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:00:39,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:00:39,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:00:39,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:00:39,238 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2020-07-20 13:00:39,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:00:39,238 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:00:39,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:00:39,238 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:00:39,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:00:39,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:00:39,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:00:39,950 INFO L268 CegarLoopResult]: For program point L256(lines 256 260) no Hoare annotation was computed. [2020-07-20 13:00:39,950 INFO L268 CegarLoopResult]: For program point L256-1(lines 256 260) no Hoare annotation was computed. [2020-07-20 13:00:39,950 INFO L268 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed. [2020-07-20 13:00:39,951 INFO L268 CegarLoopResult]: For program point L250-2(lines 250 271) no Hoare annotation was computed. [2020-07-20 13:00:39,951 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 225 280) no Hoare annotation was computed. [2020-07-20 13:00:39,951 INFO L268 CegarLoopResult]: For program point L272(lines 249 273) no Hoare annotation was computed. [2020-07-20 13:00:39,951 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 225 280) no Hoare annotation was computed. [2020-07-20 13:00:39,951 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 225 280) no Hoare annotation was computed. [2020-07-20 13:00:39,951 INFO L268 CegarLoopResult]: For program point L313(lines 313 317) no Hoare annotation was computed. [2020-07-20 13:00:39,951 INFO L268 CegarLoopResult]: For program point L313-1(lines 313 317) no Hoare annotation was computed. [2020-07-20 13:00:39,952 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 281 340) no Hoare annotation was computed. [2020-07-20 13:00:39,952 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-07-20 13:00:39,952 INFO L268 CegarLoopResult]: For program point L307-2(lines 307 332) no Hoare annotation was computed. [2020-07-20 13:00:39,952 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 281 340) no Hoare annotation was computed. [2020-07-20 13:00:39,952 INFO L268 CegarLoopResult]: For program point L333(lines 306 334) no Hoare annotation was computed. [2020-07-20 13:00:39,952 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 281 340) no Hoare annotation was computed. [2020-07-20 13:00:39,952 INFO L268 CegarLoopResult]: For program point L326(line 326) no Hoare annotation was computed. [2020-07-20 13:00:39,953 INFO L268 CegarLoopResult]: For program point L326-1(line 326) no Hoare annotation was computed. [2020-07-20 13:00:39,953 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 560 566) the Hoare annotation is: true [2020-07-20 13:00:39,953 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 560 566) no Hoare annotation was computed. [2020-07-20 13:00:39,953 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 567 575) no Hoare annotation was computed. [2020-07-20 13:00:39,953 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 567 575) the Hoare annotation is: true [2020-07-20 13:00:39,953 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 567 575) no Hoare annotation was computed. [2020-07-20 13:00:39,954 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 652 674) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:00:39,954 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 652 674) no Hoare annotation was computed. [2020-07-20 13:00:39,954 INFO L264 CegarLoopResult]: At program point L664(line 664) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:00:39,954 INFO L264 CegarLoopResult]: At program point L664-1(line 664) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:00:39,954 INFO L268 CegarLoopResult]: For program point L662(lines 662 669) no Hoare annotation was computed. [2020-07-20 13:00:39,954 INFO L268 CegarLoopResult]: For program point L662-1(lines 662 669) no Hoare annotation was computed. [2020-07-20 13:00:39,954 INFO L268 CegarLoopResult]: For program point L660(line 660) no Hoare annotation was computed. [2020-07-20 13:00:39,955 INFO L264 CegarLoopResult]: At program point L659(line 659) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:00:39,955 INFO L264 CegarLoopResult]: At program point L658(line 658) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:00:39,955 INFO L264 CegarLoopResult]: At program point L658-1(line 658) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:00:39,955 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 652 674) no Hoare annotation was computed. [2020-07-20 13:00:39,955 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 610 633) no Hoare annotation was computed. [2020-07-20 13:00:39,955 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 610 633) no Hoare annotation was computed. [2020-07-20 13:00:39,955 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 610 633) no Hoare annotation was computed. [2020-07-20 13:00:39,956 INFO L268 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-07-20 13:00:39,956 INFO L268 CegarLoopResult]: For program point L627(line 627) no Hoare annotation was computed. [2020-07-20 13:00:39,956 INFO L268 CegarLoopResult]: For program point L626(line 626) no Hoare annotation was computed. [2020-07-20 13:00:39,956 INFO L268 CegarLoopResult]: For program point L625(line 625) no Hoare annotation was computed. [2020-07-20 13:00:39,956 INFO L268 CegarLoopResult]: For program point L624(line 624) no Hoare annotation was computed. [2020-07-20 13:00:39,956 INFO L268 CegarLoopResult]: For program point L623(line 623) no Hoare annotation was computed. [2020-07-20 13:00:39,956 INFO L268 CegarLoopResult]: For program point L622(line 622) no Hoare annotation was computed. [2020-07-20 13:00:39,956 INFO L268 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-07-20 13:00:39,957 INFO L268 CegarLoopResult]: For program point L620(line 620) no Hoare annotation was computed. [2020-07-20 13:00:39,957 INFO L268 CegarLoopResult]: For program point L619(line 619) no Hoare annotation was computed. [2020-07-20 13:00:39,957 INFO L268 CegarLoopResult]: For program point L618(line 618) no Hoare annotation was computed. [2020-07-20 13:00:39,957 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-07-20 13:00:39,957 INFO L268 CegarLoopResult]: For program point L616(line 616) no Hoare annotation was computed. [2020-07-20 13:00:39,957 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-07-20 13:00:39,957 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 830 844) no Hoare annotation was computed. [2020-07-20 13:00:39,958 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 830 844) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))))) [2020-07-20 13:00:39,958 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 830 844) no Hoare annotation was computed. [2020-07-20 13:00:39,958 INFO L264 CegarLoopResult]: At program point L836(line 836) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-20 13:00:39,958 INFO L268 CegarLoopResult]: For program point L834(lines 834 840) no Hoare annotation was computed. [2020-07-20 13:00:39,958 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 766 774) no Hoare annotation was computed. [2020-07-20 13:00:39,958 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 766 774) the Hoare annotation is: true [2020-07-20 13:00:39,958 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 766 774) no Hoare annotation was computed. [2020-07-20 13:00:39,959 INFO L268 CegarLoopResult]: For program point L818-1(line 818) no Hoare annotation was computed. [2020-07-20 13:00:39,959 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 811 829) the Hoare annotation is: true [2020-07-20 13:00:39,959 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 811 829) no Hoare annotation was computed. [2020-07-20 13:00:39,959 INFO L268 CegarLoopResult]: For program point L820(lines 820 824) no Hoare annotation was computed. [2020-07-20 13:00:39,959 INFO L271 CegarLoopResult]: At program point L818(line 818) the Hoare annotation is: true [2020-07-20 13:00:39,959 INFO L268 CegarLoopResult]: For program point L820-2(lines 820 824) no Hoare annotation was computed. [2020-07-20 13:00:39,959 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 811 829) no Hoare annotation was computed. [2020-07-20 13:00:39,959 INFO L268 CegarLoopResult]: For program point L794(lines 794 802) no Hoare annotation was computed. [2020-07-20 13:00:39,960 INFO L268 CegarLoopResult]: For program point L794-2(lines 794 802) no Hoare annotation was computed. [2020-07-20 13:00:39,960 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 775 810) no Hoare annotation was computed. [2020-07-20 13:00:39,960 INFO L268 CegarLoopResult]: For program point L782(lines 782 790) no Hoare annotation was computed. [2020-07-20 13:00:39,960 INFO L268 CegarLoopResult]: For program point L782-2(lines 782 790) no Hoare annotation was computed. [2020-07-20 13:00:39,960 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 775 810) no Hoare annotation was computed. [2020-07-20 13:00:39,960 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-07-20 13:00:39,960 INFO L268 CegarLoopResult]: For program point L805-1(line 805) no Hoare annotation was computed. [2020-07-20 13:00:39,960 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 775 810) no Hoare annotation was computed. [2020-07-20 13:00:39,961 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 553 559) no Hoare annotation was computed. [2020-07-20 13:00:39,961 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 553 559) the Hoare annotation is: true [2020-07-20 13:00:39,961 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 179 224) no Hoare annotation was computed. [2020-07-20 13:00:39,961 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 179 224) no Hoare annotation was computed. [2020-07-20 13:00:39,961 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 179 224) no Hoare annotation was computed. [2020-07-20 13:00:39,961 INFO L268 CegarLoopResult]: For program point L512(lines 512 519) no Hoare annotation was computed. [2020-07-20 13:00:39,961 INFO L268 CegarLoopResult]: For program point L506(lines 506 526) no Hoare annotation was computed. [2020-07-20 13:00:39,961 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 492 537) no Hoare annotation was computed. [2020-07-20 13:00:39,962 INFO L268 CegarLoopResult]: For program point L506-1(lines 506 526) no Hoare annotation was computed. [2020-07-20 13:00:39,962 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 492 537) no Hoare annotation was computed. [2020-07-20 13:00:39,962 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 492 537) no Hoare annotation was computed. [2020-07-20 13:00:39,962 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 642 651) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:00:39,962 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 642 651) no Hoare annotation was computed. [2020-07-20 13:00:39,962 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 642 651) no Hoare annotation was computed. [2020-07-20 13:00:39,962 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 755 765) no Hoare annotation was computed. [2020-07-20 13:00:39,962 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 755 765) no Hoare annotation was computed. [2020-07-20 13:00:39,963 INFO L268 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-07-20 13:00:39,963 INFO L268 CegarLoopResult]: For program point L760-1(line 760) no Hoare annotation was computed. [2020-07-20 13:00:39,963 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 755 765) no Hoare annotation was computed. [2020-07-20 13:00:39,963 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 747 754) the Hoare annotation is: true [2020-07-20 13:00:39,963 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 747 754) no Hoare annotation was computed. [2020-07-20 13:00:39,963 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 747 754) no Hoare annotation was computed. [2020-07-20 13:00:39,963 INFO L264 CegarLoopResult]: At program point L733(line 733) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:00:39,964 INFO L268 CegarLoopResult]: For program point L733-1(lines 714 738) no Hoare annotation was computed. [2020-07-20 13:00:39,964 INFO L264 CegarLoopResult]: At program point L728(line 728) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-20 13:00:39,964 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 714 738) no Hoare annotation was computed. [2020-07-20 13:00:39,964 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-20 13:00:39,964 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 714 738) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:00:39,964 INFO L268 CegarLoopResult]: For program point L722(lines 722 730) no Hoare annotation was computed. [2020-07-20 13:00:39,964 INFO L264 CegarLoopResult]: At program point L720(line 720) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-20 13:00:39,964 INFO L268 CegarLoopResult]: For program point L720-1(line 720) no Hoare annotation was computed. [2020-07-20 13:00:39,965 INFO L268 CegarLoopResult]: For program point L718(lines 718 735) no Hoare annotation was computed. [2020-07-20 13:00:39,965 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 706 712) no Hoare annotation was computed. [2020-07-20 13:00:39,965 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 706 712) the Hoare annotation is: true [2020-07-20 13:00:39,965 INFO L264 CegarLoopResult]: At program point testENTRY(lines 846 911) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:00:39,965 INFO L264 CegarLoopResult]: At program point L894(line 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:00:39,965 INFO L268 CegarLoopResult]: For program point L892(lines 892 898) no Hoare annotation was computed. [2020-07-20 13:00:39,965 INFO L264 CegarLoopResult]: At program point L892-1(lines 886 899) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:00:39,966 INFO L268 CegarLoopResult]: For program point L857(lines 856 903) no Hoare annotation was computed. [2020-07-20 13:00:39,966 INFO L268 CegarLoopResult]: For program point testFINAL(lines 846 911) no Hoare annotation was computed. [2020-07-20 13:00:39,966 INFO L268 CegarLoopResult]: For program point L886(lines 886 899) no Hoare annotation was computed. [2020-07-20 13:00:39,966 INFO L264 CegarLoopResult]: At program point L878(line 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:00:39,966 INFO L268 CegarLoopResult]: For program point L876(lines 876 882) no Hoare annotation was computed. [2020-07-20 13:00:39,966 INFO L268 CegarLoopResult]: For program point L876-1(lines 876 882) no Hoare annotation was computed. [2020-07-20 13:00:39,967 INFO L264 CegarLoopResult]: At program point L901(lines 856 903) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:00:39,967 INFO L264 CegarLoopResult]: At program point L868(line 868) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:00:39,967 INFO L268 CegarLoopResult]: For program point L866(lines 866 872) no Hoare annotation was computed. [2020-07-20 13:00:39,967 INFO L268 CegarLoopResult]: For program point L866-1(lines 866 872) no Hoare annotation was computed. [2020-07-20 13:00:39,967 INFO L268 CegarLoopResult]: For program point L858(lines 858 862) no Hoare annotation was computed. [2020-07-20 13:00:39,967 INFO L264 CegarLoopResult]: At program point L904(lines 855 905) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:00:39,967 INFO L268 CegarLoopResult]: For program point testEXIT(lines 846 911) no Hoare annotation was computed. [2020-07-20 13:00:39,968 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 446 491) no Hoare annotation was computed. [2020-07-20 13:00:39,968 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 446 491) no Hoare annotation was computed. [2020-07-20 13:00:39,968 INFO L268 CegarLoopResult]: For program point L466(lines 466 473) no Hoare annotation was computed. [2020-07-20 13:00:39,968 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 446 491) no Hoare annotation was computed. [2020-07-20 13:00:39,968 INFO L268 CegarLoopResult]: For program point L460(lines 460 480) no Hoare annotation was computed. [2020-07-20 13:00:39,968 INFO L268 CegarLoopResult]: For program point L460-1(lines 460 480) no Hoare annotation was computed. [2020-07-20 13:00:39,968 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 163 171) no Hoare annotation was computed. [2020-07-20 13:00:39,968 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 163 171) the Hoare annotation is: true [2020-07-20 13:00:39,969 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 163 171) no Hoare annotation was computed. [2020-07-20 13:00:39,969 INFO L268 CegarLoopResult]: For program point L139(lines 139 147) no Hoare annotation was computed. [2020-07-20 13:00:39,969 INFO L268 CegarLoopResult]: For program point L139-2(lines 139 147) no Hoare annotation was computed. [2020-07-20 13:00:39,969 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 131 153) no Hoare annotation was computed. [2020-07-20 13:00:39,969 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 131 153) no Hoare annotation was computed. [2020-07-20 13:00:39,969 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 131 153) no Hoare annotation was computed. [2020-07-20 13:00:39,969 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 343 445) no Hoare annotation was computed. [2020-07-20 13:00:39,969 INFO L268 CegarLoopResult]: For program point L413(lines 391 414) no Hoare annotation was computed. [2020-07-20 13:00:39,970 INFO L268 CegarLoopResult]: For program point L372(lines 372 388) no Hoare annotation was computed. [2020-07-20 13:00:39,970 INFO L268 CegarLoopResult]: For program point L432(lines 432 439) no Hoare annotation was computed. [2020-07-20 13:00:39,970 INFO L268 CegarLoopResult]: For program point L393(lines 392 412) no Hoare annotation was computed. [2020-07-20 13:00:39,970 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-20 13:00:39,970 INFO L268 CegarLoopResult]: For program point L424-1(line 424) no Hoare annotation was computed. [2020-07-20 13:00:39,970 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 343 445) no Hoare annotation was computed. [2020-07-20 13:00:39,970 INFO L268 CegarLoopResult]: For program point L389(lines 389 430) no Hoare annotation was computed. [2020-07-20 13:00:39,970 INFO L268 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-07-20 13:00:39,970 INFO L268 CegarLoopResult]: For program point L408-1(line 408) no Hoare annotation was computed. [2020-07-20 13:00:39,971 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 343 445) no Hoare annotation was computed. [2020-07-20 13:00:39,971 INFO L268 CegarLoopResult]: For program point L367(lines 367 371) no Hoare annotation was computed. [2020-07-20 13:00:39,971 INFO L268 CegarLoopResult]: For program point L431(lines 431 442) no Hoare annotation was computed. [2020-07-20 13:00:39,971 INFO L268 CegarLoopResult]: For program point L394(lines 394 398) no Hoare annotation was computed. [2020-07-20 13:00:39,971 INFO L268 CegarLoopResult]: For program point L392-2(lines 392 412) no Hoare annotation was computed. [2020-07-20 13:00:39,971 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 543 552) no Hoare annotation was computed. [2020-07-20 13:00:39,971 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 543 552) no Hoare annotation was computed. [2020-07-20 13:00:39,971 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 543 552) no Hoare annotation was computed. [2020-07-20 13:00:39,971 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:00:39,972 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:00:39,972 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:00:39,972 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 739 746) no Hoare annotation was computed. [2020-07-20 13:00:39,972 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 739 746) no Hoare annotation was computed. [2020-07-20 13:00:39,972 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 739 746) no Hoare annotation was computed. [2020-07-20 13:00:39,972 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 154 162) no Hoare annotation was computed. [2020-07-20 13:00:39,972 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 154 162) no Hoare annotation was computed. [2020-07-20 13:00:39,972 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 154 162) no Hoare annotation was computed. [2020-07-20 13:00:39,972 INFO L268 CegarLoopResult]: For program point L114-1(lines 110 121) no Hoare annotation was computed. [2020-07-20 13:00:39,973 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 110 121) the Hoare annotation is: true [2020-07-20 13:00:39,973 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 110 121) no Hoare annotation was computed. [2020-07-20 13:00:39,973 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:00:39,973 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:00:39,973 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:00:39,973 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 122 130) the Hoare annotation is: true [2020-07-20 13:00:39,973 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 122 130) no Hoare annotation was computed. [2020-07-20 13:00:39,973 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 122 130) no Hoare annotation was computed. [2020-07-20 13:00:39,974 INFO L264 CegarLoopResult]: At program point L695(line 695) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:00:39,974 INFO L264 CegarLoopResult]: At program point L693(lines 693 699) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:00:39,974 INFO L264 CegarLoopResult]: At program point L688(line 688) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-20 13:00:39,974 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 682 705) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:00:39,974 INFO L268 CegarLoopResult]: For program point L686(lines 685 704) no Hoare annotation was computed. [2020-07-20 13:00:39,974 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 682 705) no Hoare annotation was computed. [2020-07-20 13:00:39,974 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 682 705) no Hoare annotation was computed. [2020-07-20 13:00:39,974 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 579 608) no Hoare annotation was computed. [2020-07-20 13:00:39,975 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 579 608) the Hoare annotation is: true [2020-07-20 13:00:39,975 INFO L271 CegarLoopResult]: At program point L604(lines 579 608) the Hoare annotation is: true [2020-07-20 13:00:39,975 INFO L268 CegarLoopResult]: For program point L600(line 600) no Hoare annotation was computed. [2020-07-20 13:00:39,975 INFO L268 CegarLoopResult]: For program point L593(lines 593 597) no Hoare annotation was computed. [2020-07-20 13:00:39,975 INFO L271 CegarLoopResult]: At program point L593-1(lines 593 597) the Hoare annotation is: true [2020-07-20 13:00:39,975 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-07-20 13:00:39,975 INFO L271 CegarLoopResult]: At program point L589-2(lines 589 603) the Hoare annotation is: true [2020-07-20 13:00:39,975 INFO L271 CegarLoopResult]: At program point L585(line 585) the Hoare annotation is: true [2020-07-20 13:00:39,975 INFO L268 CegarLoopResult]: For program point L585-1(line 585) no Hoare annotation was computed. [2020-07-20 13:00:39,976 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 86 97) the Hoare annotation is: true [2020-07-20 13:00:39,976 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 86 97) no Hoare annotation was computed. [2020-07-20 13:00:39,976 INFO L268 CegarLoopResult]: For program point L90-1(lines 86 97) no Hoare annotation was computed. [2020-07-20 13:00:39,976 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 634 640) no Hoare annotation was computed. [2020-07-20 13:00:39,976 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 634 640) the Hoare annotation is: true [2020-07-20 13:00:39,976 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:00:39,976 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 13:00:39,976 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:00:39,977 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:00:39,977 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 98 109) no Hoare annotation was computed. [2020-07-20 13:00:39,977 INFO L268 CegarLoopResult]: For program point L102-1(lines 98 109) no Hoare annotation was computed. [2020-07-20 13:00:39,977 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 98 109) the Hoare annotation is: true [2020-07-20 13:00:39,977 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 69 76) no Hoare annotation was computed. [2020-07-20 13:00:39,977 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2020-07-20 13:00:39,977 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 69 76) the Hoare annotation is: true [2020-07-20 13:00:39,978 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 69 76) no Hoare annotation was computed. [2020-07-20 13:00:39,978 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-07-20 13:00:39,978 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2020-07-20 13:00:39,978 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-07-20 13:00:39,978 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-07-20 13:00:39,978 INFO L271 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: true [2020-07-20 13:00:39,978 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-07-20 13:00:39,978 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-07-20 13:00:39,979 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-07-20 13:00:39,979 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-07-20 13:00:39,979 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-07-20 13:00:39,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:00:39 BoogieIcfgContainer [2020-07-20 13:00:39,994 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:00:39,997 INFO L168 Benchmark]: Toolchain (without parser) took 6016.62 ms. Allocated memory was 143.1 MB in the beginning and 253.2 MB in the end (delta: 110.1 MB). Free memory was 100.1 MB in the beginning and 112.0 MB in the end (delta: -11.9 MB). Peak memory consumption was 98.2 MB. Max. memory is 7.1 GB. [2020-07-20 13:00:39,997 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 143.1 MB. Free memory is still 119.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 13:00:39,998 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.40 ms. Allocated memory was 143.1 MB in the beginning and 200.8 MB in the end (delta: 57.7 MB). Free memory was 99.7 MB in the beginning and 170.7 MB in the end (delta: -71.1 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-07-20 13:00:39,999 INFO L168 Benchmark]: Boogie Preprocessor took 108.59 ms. Allocated memory is still 200.8 MB. Free memory was 170.7 MB in the beginning and 166.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-20 13:00:40,000 INFO L168 Benchmark]: RCFGBuilder took 1231.26 ms. Allocated memory was 200.8 MB in the beginning and 230.2 MB in the end (delta: 29.4 MB). Free memory was 166.6 MB in the beginning and 199.1 MB in the end (delta: -32.5 MB). Peak memory consumption was 89.3 MB. Max. memory is 7.1 GB. [2020-07-20 13:00:40,001 INFO L168 Benchmark]: TraceAbstraction took 3999.18 ms. Allocated memory was 230.2 MB in the beginning and 253.2 MB in the end (delta: 23.1 MB). Free memory was 197.3 MB in the beginning and 112.0 MB in the end (delta: 85.3 MB). Peak memory consumption was 108.4 MB. Max. memory is 7.1 GB. [2020-07-20 13:00:40,005 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 143.1 MB. Free memory is still 119.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 659.40 ms. Allocated memory was 143.1 MB in the beginning and 200.8 MB in the end (delta: 57.7 MB). Free memory was 99.7 MB in the beginning and 170.7 MB in the end (delta: -71.1 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.59 ms. Allocated memory is still 200.8 MB. Free memory was 170.7 MB in the beginning and 166.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1231.26 ms. Allocated memory was 200.8 MB in the beginning and 230.2 MB in the end (delta: 29.4 MB). Free memory was 166.6 MB in the beginning and 199.1 MB in the end (delta: -32.5 MB). Peak memory consumption was 89.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3999.18 ms. Allocated memory was 230.2 MB in the beginning and 253.2 MB in the end (delta: 23.1 MB). Free memory was 197.3 MB in the beginning and 112.0 MB in the end (delta: 85.3 MB). Peak memory consumption was 108.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: 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: 589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter <= 0)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 220 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 485 SDtfs, 161 SDslu, 392 SDs, 0 SdLazy, 59 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 199 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=172occurred 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 217 PreInvPairs, 232 NumberOfFragments, 334 HoareAnnotationTreeSize, 217 FomulaSimplifications, 55 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 401 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 201 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 197 ConstructedInterpolants, 0 QuantifiedInterpolants, 15389 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2588 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...