/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 NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:35:22,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:35:22,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:35:22,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:35:22,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:35:22,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:35:22,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:35:22,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:35:22,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:35:22,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:35:22,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:35:22,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:35:22,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:35:22,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:35:22,727 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:35:22,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:35:22,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:35:22,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:35:22,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:35:22,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:35:22,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:35:22,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:35:22,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:35:22,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:35:22,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:35:22,740 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:35:22,740 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:35:22,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:35:22,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:35:22,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:35:22,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:35:22,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:35:22,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:35:22,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:35:22,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:35:22,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:35:22,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:35:22,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:35:22,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:35:22,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:35:22,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:35:22,749 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 10:35:22,763 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:35:22,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:35:22,765 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:35:22,765 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:35:22,765 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:35:22,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:35:22,766 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:35:22,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:35:22,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:35:22,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:35:22,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:35:22,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:35:22,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:35:22,767 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:35:22,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:35:22,767 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:35:22,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:35:22,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:35:22,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:35:22,768 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:35:22,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:35:22,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:35:22,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:35:22,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:35:22,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:35:22,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:35:22,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:22,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:35:22,770 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:35:22,770 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 -> NOT_INCREMENTALLY [2020-07-21 10:35:23,046 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:35:23,063 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:35:23,067 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:35:23,068 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:35:23,069 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:35:23,069 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c [2020-07-21 10:35:23,146 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c9696ad4/7f9eadae3598442886a974cc77eec983/FLAG2dec9e78c [2020-07-21 10:35:23,700 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:35:23,705 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c [2020-07-21 10:35:23,725 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c9696ad4/7f9eadae3598442886a974cc77eec983/FLAG2dec9e78c [2020-07-21 10:35:23,991 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c9696ad4/7f9eadae3598442886a974cc77eec983 [2020-07-21 10:35:23,999 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:35:24,002 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:35:24,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:35:24,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:35:24,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:35:24,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:35:23" (1/1) ... [2020-07-21 10:35:24,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67f6534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:24, skipping insertion in model container [2020-07-21 10:35:24,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:35:23" (1/1) ... [2020-07-21 10:35:24,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:35:24,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:35:24,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:35:24,453 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:35:24,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:35:24,602 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:35:24,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:24 WrapperNode [2020-07-21 10:35:24,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:35:24,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:35:24,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:35:24,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:35:24,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:24" (1/1) ... [2020-07-21 10:35:24,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:24" (1/1) ... [2020-07-21 10:35:24,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:24" (1/1) ... [2020-07-21 10:35:24,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:24" (1/1) ... [2020-07-21 10:35:24,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:24" (1/1) ... [2020-07-21 10:35:24,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:24" (1/1) ... [2020-07-21 10:35:24,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:24" (1/1) ... [2020-07-21 10:35:24,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:35:24,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:35:24,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:35:24,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:35:24,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:24" (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 10:35:24,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:35:24,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:35:24,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:35:24,793 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:35:24,794 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:35:24,794 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:35:24,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:35:24,794 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:35:24,794 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:35:24,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 10:35:24,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:35:24,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-21 10:35:24,795 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:35:24,795 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:35:24,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:35:24,795 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:35:24,795 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:35:24,796 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:35:24,796 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:35:24,796 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:35:24,796 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:35:24,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:35:24,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:35:24,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:35:24,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:35:24,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:35:24,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:35:24,797 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:35:24,797 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:35:24,797 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:35:24,798 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 10:35:24,798 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:35:24,798 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-21 10:35:24,798 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:35:24,798 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:35:24,798 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:35:24,799 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:35:24,799 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:35:24,799 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 10:35:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:35:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:35:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:35:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:35:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:35:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:35:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:35:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:35:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:35:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 10:35:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:35:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:35:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:35:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-21 10:35:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:35:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:35:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:35:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:35:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:35:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:35:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:35:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:35:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:35:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:35:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:35:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:35:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:35:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:35:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:35:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:35:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:35:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:35:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:35:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:35:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:35:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:35:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:35:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:35:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:35:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:35:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:35:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:35:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:35:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:35:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:35:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:35:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 10:35:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 10:35:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:35:24,806 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-21 10:35:24,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:35:24,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:35:24,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:35:25,940 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:35:25,941 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:35:25,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:35:25 BoogieIcfgContainer [2020-07-21 10:35:25,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:35:25,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:35:25,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:35:25,951 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:35:25,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:35:23" (1/3) ... [2020-07-21 10:35:25,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66297db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:35:25, skipping insertion in model container [2020-07-21 10:35:25,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:24" (2/3) ... [2020-07-21 10:35:25,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66297db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:35:25, skipping insertion in model container [2020-07-21 10:35:25,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:35:25" (3/3) ... [2020-07-21 10:35:25,955 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product45.cil.c [2020-07-21 10:35:25,966 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:35:25,975 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:35:25,989 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:35:26,015 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:35:26,016 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:35:26,016 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:35:26,016 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:35:26,017 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:35:26,017 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:35:26,017 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:35:26,017 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:35:26,041 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-07-21 10:35:26,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 10:35:26,051 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:26,053 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] [2020-07-21 10:35:26,053 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:26,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:26,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1763081390, now seen corresponding path program 1 times [2020-07-21 10:35:26,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:26,070 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095137441] [2020-07-21 10:35:26,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:35:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:26,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:35:26,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:26,354 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 10:35:26,354 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:26,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1095137441] [2020-07-21 10:35:26,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:26,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:35:26,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119648631] [2020-07-21 10:35:26,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:35:26,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:26,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:35:26,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:35:26,379 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 2 states. [2020-07-21 10:35:26,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:26,422 INFO L93 Difference]: Finished difference Result 260 states and 325 transitions. [2020-07-21 10:35:26,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:35:26,424 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-21 10:35:26,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:26,436 INFO L225 Difference]: With dead ends: 260 [2020-07-21 10:35:26,437 INFO L226 Difference]: Without dead ends: 130 [2020-07-21 10:35:26,441 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 [2020-07-21 10:35:26,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-07-21 10:35:26,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2020-07-21 10:35:26,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-21 10:35:26,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 154 transitions. [2020-07-21 10:35:26,496 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 154 transitions. Word has length 46 [2020-07-21 10:35:26,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:26,497 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 154 transitions. [2020-07-21 10:35:26,497 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:35:26,497 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 154 transitions. [2020-07-21 10:35:26,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 10:35:26,501 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:26,501 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] [2020-07-21 10:35:26,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:26,710 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:26,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:26,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1948835968, now seen corresponding path program 1 times [2020-07-21 10:35:26,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:26,712 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1004714387] [2020-07-21 10:35:26,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:35:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:26,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:35:26,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:27,014 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 10:35:27,015 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:27,015 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1004714387] [2020-07-21 10:35:27,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:27,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:35:27,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057301581] [2020-07-21 10:35:27,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:35:27,018 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:27,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:35:27,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:27,019 INFO L87 Difference]: Start difference. First operand 130 states and 154 transitions. Second operand 3 states. [2020-07-21 10:35:27,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:27,045 INFO L93 Difference]: Finished difference Result 236 states and 287 transitions. [2020-07-21 10:35:27,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:35:27,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 10:35:27,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:27,048 INFO L225 Difference]: With dead ends: 236 [2020-07-21 10:35:27,049 INFO L226 Difference]: Without dead ends: 130 [2020-07-21 10:35:27,051 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 [2020-07-21 10:35:27,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-07-21 10:35:27,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2020-07-21 10:35:27,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-21 10:35:27,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 153 transitions. [2020-07-21 10:35:27,068 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 153 transitions. Word has length 47 [2020-07-21 10:35:27,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:27,068 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 153 transitions. [2020-07-21 10:35:27,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:35:27,069 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 153 transitions. [2020-07-21 10:35:27,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-21 10:35:27,072 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:27,072 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 10:35:27,286 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:27,287 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:27,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:27,288 INFO L82 PathProgramCache]: Analyzing trace with hash 137025886, now seen corresponding path program 1 times [2020-07-21 10:35:27,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:27,290 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1112395644] [2020-07-21 10:35:27,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:35:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:27,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 10:35:27,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:27,577 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 10:35:27,578 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:27,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1112395644] [2020-07-21 10:35:27,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:27,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-21 10:35:27,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157856813] [2020-07-21 10:35:27,581 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 10:35:27,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:27,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 10:35:27,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:35:27,582 INFO L87 Difference]: Start difference. First operand 130 states and 153 transitions. Second operand 7 states. [2020-07-21 10:35:28,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:28,378 INFO L93 Difference]: Finished difference Result 342 states and 445 transitions. [2020-07-21 10:35:28,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 10:35:28,378 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2020-07-21 10:35:28,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:28,383 INFO L225 Difference]: With dead ends: 342 [2020-07-21 10:35:28,383 INFO L226 Difference]: Without dead ends: 236 [2020-07-21 10:35:28,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-21 10:35:28,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-07-21 10:35:28,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 207. [2020-07-21 10:35:28,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-07-21 10:35:28,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 254 transitions. [2020-07-21 10:35:28,417 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 254 transitions. Word has length 64 [2020-07-21 10:35:28,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:28,418 INFO L479 AbstractCegarLoop]: Abstraction has 207 states and 254 transitions. [2020-07-21 10:35:28,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 10:35:28,418 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 254 transitions. [2020-07-21 10:35:28,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-21 10:35:28,422 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:28,422 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:35:28,637 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:28,638 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:28,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:28,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1945522677, now seen corresponding path program 1 times [2020-07-21 10:35:28,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:28,640 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1677470658] [2020-07-21 10:35:28,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:28,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-21 10:35:28,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:28,879 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-21 10:35:28,880 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:28,881 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1677470658] [2020-07-21 10:35:28,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:28,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:35:28,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862872184] [2020-07-21 10:35:28,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:35:28,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:28,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:35:28,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:35:28,884 INFO L87 Difference]: Start difference. First operand 207 states and 254 transitions. Second operand 6 states. [2020-07-21 10:35:29,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:29,157 INFO L93 Difference]: Finished difference Result 562 states and 731 transitions. [2020-07-21 10:35:29,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 10:35:29,158 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2020-07-21 10:35:29,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:29,168 INFO L225 Difference]: With dead ends: 562 [2020-07-21 10:35:29,169 INFO L226 Difference]: Without dead ends: 361 [2020-07-21 10:35:29,171 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 89 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 10:35:29,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2020-07-21 10:35:29,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 357. [2020-07-21 10:35:29,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-07-21 10:35:29,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 435 transitions. [2020-07-21 10:35:29,244 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 435 transitions. Word has length 94 [2020-07-21 10:35:29,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:29,245 INFO L479 AbstractCegarLoop]: Abstraction has 357 states and 435 transitions. [2020-07-21 10:35:29,245 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:35:29,246 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 435 transitions. [2020-07-21 10:35:29,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-21 10:35:29,254 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:29,254 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:35:29,470 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:29,471 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:29,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:29,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1913348729, now seen corresponding path program 1 times [2020-07-21 10:35:29,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:29,473 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [105015486] [2020-07-21 10:35:29,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:29,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 10:35:29,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:29,714 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:35:29,715 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:29,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [105015486] [2020-07-21 10:35:29,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:29,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 10:35:29,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541908672] [2020-07-21 10:35:29,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 10:35:29,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:29,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 10:35:29,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:35:29,717 INFO L87 Difference]: Start difference. First operand 357 states and 435 transitions. Second operand 8 states. [2020-07-21 10:35:30,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:30,065 INFO L93 Difference]: Finished difference Result 677 states and 836 transitions. [2020-07-21 10:35:30,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 10:35:30,067 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-07-21 10:35:30,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:30,072 INFO L225 Difference]: With dead ends: 677 [2020-07-21 10:35:30,072 INFO L226 Difference]: Without dead ends: 335 [2020-07-21 10:35:30,074 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:35:30,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2020-07-21 10:35:30,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2020-07-21 10:35:30,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-07-21 10:35:30,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 393 transitions. [2020-07-21 10:35:30,119 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 393 transitions. Word has length 98 [2020-07-21 10:35:30,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:30,122 INFO L479 AbstractCegarLoop]: Abstraction has 335 states and 393 transitions. [2020-07-21 10:35:30,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 10:35:30,123 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 393 transitions. [2020-07-21 10:35:30,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-21 10:35:30,132 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:30,132 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:35:30,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:30,347 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:30,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:30,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1989653921, now seen corresponding path program 1 times [2020-07-21 10:35:30,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:30,349 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1504909377] [2020-07-21 10:35:30,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:30,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:30,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 868 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-21 10:35:30,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:30,623 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-21 10:35:30,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 10:35:30,794 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 10:35:30,830 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 10:35:30,957 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-21 10:35:30,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1504909377] [2020-07-21 10:35:30,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 10:35:30,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2020-07-21 10:35:30,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514182747] [2020-07-21 10:35:30,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 10:35:30,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:30,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 10:35:30,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:35:30,960 INFO L87 Difference]: Start difference. First operand 335 states and 393 transitions. Second operand 5 states. [2020-07-21 10:35:31,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:31,463 INFO L93 Difference]: Finished difference Result 905 states and 1126 transitions. [2020-07-21 10:35:31,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:35:31,463 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-07-21 10:35:31,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:31,467 INFO L225 Difference]: With dead ends: 905 [2020-07-21 10:35:31,468 INFO L226 Difference]: Without dead ends: 594 [2020-07-21 10:35:31,469 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 285 SyntacticMatches, 7 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:35:31,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-07-21 10:35:31,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 570. [2020-07-21 10:35:31,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2020-07-21 10:35:31,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 711 transitions. [2020-07-21 10:35:31,507 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 711 transitions. Word has length 149 [2020-07-21 10:35:31,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:31,507 INFO L479 AbstractCegarLoop]: Abstraction has 570 states and 711 transitions. [2020-07-21 10:35:31,508 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 10:35:31,508 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 711 transitions. [2020-07-21 10:35:31,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-21 10:35:31,511 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:31,511 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:35:31,726 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:31,727 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:31,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:31,727 INFO L82 PathProgramCache]: Analyzing trace with hash 59733921, now seen corresponding path program 1 times [2020-07-21 10:35:31,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:31,728 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1335717019] [2020-07-21 10:35:31,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:31,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 870 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 10:35:31,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:31,991 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-21 10:35:31,991 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:31,991 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1335717019] [2020-07-21 10:35:31,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:31,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 10:35:31,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205321189] [2020-07-21 10:35:31,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 10:35:31,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:31,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 10:35:31,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:35:31,993 INFO L87 Difference]: Start difference. First operand 570 states and 711 transitions. Second operand 8 states. [2020-07-21 10:35:32,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:32,229 INFO L93 Difference]: Finished difference Result 1054 states and 1334 transitions. [2020-07-21 10:35:32,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 10:35:32,229 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 149 [2020-07-21 10:35:32,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:32,230 INFO L225 Difference]: With dead ends: 1054 [2020-07-21 10:35:32,231 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:35:32,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:35:32,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:35:32,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:35:32,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:35:32,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:35:32,235 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2020-07-21 10:35:32,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:32,236 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:35:32,236 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 10:35:32,236 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:35:32,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:35:32,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:32,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:35:33,688 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 23 [2020-07-21 10:35:34,485 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 24 [2020-07-21 10:35:35,291 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 27 [2020-07-21 10:35:35,654 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 20 [2020-07-21 10:35:35,891 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 28 [2020-07-21 10:35:35,896 INFO L268 CegarLoopResult]: For program point L413(lines 390 414) no Hoare annotation was computed. [2020-07-21 10:35:35,897 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 366 421) no Hoare annotation was computed. [2020-07-21 10:35:35,897 INFO L268 CegarLoopResult]: For program point L397(lines 397 401) no Hoare annotation was computed. [2020-07-21 10:35:35,897 INFO L268 CegarLoopResult]: For program point L397-1(lines 397 401) no Hoare annotation was computed. [2020-07-21 10:35:35,897 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-21 10:35:35,897 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 366 421) no Hoare annotation was computed. [2020-07-21 10:35:35,897 INFO L268 CegarLoopResult]: For program point L391-2(lines 391 412) no Hoare annotation was computed. [2020-07-21 10:35:35,898 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 366 421) no Hoare annotation was computed. [2020-07-21 10:35:35,898 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-21 10:35:35,898 INFO L268 CegarLoopResult]: For program point L448-2(lines 448 473) no Hoare annotation was computed. [2020-07-21 10:35:35,898 INFO L268 CegarLoopResult]: For program point L474(lines 447 475) no Hoare annotation was computed. [2020-07-21 10:35:35,898 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 422 481) no Hoare annotation was computed. [2020-07-21 10:35:35,898 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-21 10:35:35,898 INFO L268 CegarLoopResult]: For program point L467-1(line 467) no Hoare annotation was computed. [2020-07-21 10:35:35,898 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 422 481) no Hoare annotation was computed. [2020-07-21 10:35:35,898 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 422 481) no Hoare annotation was computed. [2020-07-21 10:35:35,899 INFO L268 CegarLoopResult]: For program point L454(lines 454 458) no Hoare annotation was computed. [2020-07-21 10:35:35,899 INFO L268 CegarLoopResult]: For program point L454-1(lines 454 458) no Hoare annotation was computed. [2020-07-21 10:35:35,899 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 297 303) the Hoare annotation is: true [2020-07-21 10:35:35,899 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 297 303) no Hoare annotation was computed. [2020-07-21 10:35:35,899 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 304 312) no Hoare annotation was computed. [2020-07-21 10:35:35,899 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 304 312) the Hoare annotation is: true [2020-07-21 10:35:35,899 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 304 312) no Hoare annotation was computed. [2020-07-21 10:35:35,900 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 255 277) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:35:35,900 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 255 277) no Hoare annotation was computed. [2020-07-21 10:35:35,900 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 255 277) no Hoare annotation was computed. [2020-07-21 10:35:35,900 INFO L264 CegarLoopResult]: At program point L267(line 267) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:35:35,900 INFO L264 CegarLoopResult]: At program point L267-1(line 267) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:35:35,900 INFO L268 CegarLoopResult]: For program point L265(lines 265 272) no Hoare annotation was computed. [2020-07-21 10:35:35,900 INFO L268 CegarLoopResult]: For program point L265-1(lines 265 272) no Hoare annotation was computed. [2020-07-21 10:35:35,901 INFO L268 CegarLoopResult]: For program point L263(line 263) no Hoare annotation was computed. [2020-07-21 10:35:35,901 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:35:35,901 INFO L264 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:35:35,901 INFO L264 CegarLoopResult]: At program point L261-1(line 261) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:35:35,901 INFO L268 CegarLoopResult]: For program point L225(line 225) no Hoare annotation was computed. [2020-07-21 10:35:35,902 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-07-21 10:35:35,902 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 210 233) no Hoare annotation was computed. [2020-07-21 10:35:35,902 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-07-21 10:35:35,902 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-07-21 10:35:35,902 INFO L268 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed. [2020-07-21 10:35:35,902 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 210 233) no Hoare annotation was computed. [2020-07-21 10:35:35,902 INFO L268 CegarLoopResult]: For program point L220(line 220) no Hoare annotation was computed. [2020-07-21 10:35:35,902 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 210 233) no Hoare annotation was computed. [2020-07-21 10:35:35,903 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-07-21 10:35:35,903 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-07-21 10:35:35,903 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-07-21 10:35:35,903 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-07-21 10:35:35,903 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-07-21 10:35:35,903 INFO L268 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed. [2020-07-21 10:35:35,903 INFO L268 CegarLoopResult]: For program point L227(line 227) no Hoare annotation was computed. [2020-07-21 10:35:35,903 INFO L268 CegarLoopResult]: For program point L226(line 226) no Hoare annotation was computed. [2020-07-21 10:35:35,904 INFO L264 CegarLoopResult]: At program point L801(line 801) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse2 .cse1))) [2020-07-21 10:35:35,904 INFO L268 CegarLoopResult]: For program point L801-1(lines 782 806) no Hoare annotation was computed. [2020-07-21 10:35:35,904 INFO L264 CegarLoopResult]: At program point L796(line 796) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= 0 ~methaneLevelCritical~0))))) [2020-07-21 10:35:35,904 INFO L264 CegarLoopResult]: At program point L792(line 792) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= 0 ~methaneLevelCritical~0))))) [2020-07-21 10:35:35,904 INFO L268 CegarLoopResult]: For program point L790(lines 790 798) no Hoare annotation was computed. [2020-07-21 10:35:35,904 INFO L264 CegarLoopResult]: At program point L788(line 788) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= 0 ~methaneLevelCritical~0))))) [2020-07-21 10:35:35,904 INFO L268 CegarLoopResult]: For program point L788-1(line 788) no Hoare annotation was computed. [2020-07-21 10:35:35,904 INFO L268 CegarLoopResult]: For program point L786(lines 786 803) no Hoare annotation was computed. [2020-07-21 10:35:35,905 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 782 806) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:35:35,905 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 782 806) no Hoare annotation was computed. [2020-07-21 10:35:35,905 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 877 885) no Hoare annotation was computed. [2020-07-21 10:35:35,905 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 877 885) the Hoare annotation is: true [2020-07-21 10:35:35,905 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 877 885) no Hoare annotation was computed. [2020-07-21 10:35:35,905 INFO L268 CegarLoopResult]: For program point L893(lines 893 901) no Hoare annotation was computed. [2020-07-21 10:35:35,905 INFO L268 CegarLoopResult]: For program point L893-2(lines 893 901) no Hoare annotation was computed. [2020-07-21 10:35:35,905 INFO L268 CegarLoopResult]: For program point L916(line 916) no Hoare annotation was computed. [2020-07-21 10:35:35,905 INFO L268 CegarLoopResult]: For program point L916-1(line 916) no Hoare annotation was computed. [2020-07-21 10:35:35,906 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 886 921) no Hoare annotation was computed. [2020-07-21 10:35:35,906 INFO L268 CegarLoopResult]: For program point L905(lines 905 913) no Hoare annotation was computed. [2020-07-21 10:35:35,906 INFO L268 CegarLoopResult]: For program point L905-2(lines 905 913) no Hoare annotation was computed. [2020-07-21 10:35:35,906 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 886 921) no Hoare annotation was computed. [2020-07-21 10:35:35,906 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 886 921) no Hoare annotation was computed. [2020-07-21 10:35:35,906 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 290 296) no Hoare annotation was computed. [2020-07-21 10:35:35,906 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 290 296) the Hoare annotation is: true [2020-07-21 10:35:35,906 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 320 365) no Hoare annotation was computed. [2020-07-21 10:35:35,907 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 320 365) no Hoare annotation was computed. [2020-07-21 10:35:35,907 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 320 365) no Hoare annotation was computed. [2020-07-21 10:35:35,907 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 633 678) no Hoare annotation was computed. [2020-07-21 10:35:35,907 INFO L268 CegarLoopResult]: For program point L653(lines 653 660) no Hoare annotation was computed. [2020-07-21 10:35:35,907 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 633 678) no Hoare annotation was computed. [2020-07-21 10:35:35,907 INFO L268 CegarLoopResult]: For program point L647(lines 647 667) no Hoare annotation was computed. [2020-07-21 10:35:35,907 INFO L268 CegarLoopResult]: For program point L647-1(lines 647 667) no Hoare annotation was computed. [2020-07-21 10:35:35,907 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 633 678) no Hoare annotation was computed. [2020-07-21 10:35:35,908 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 242 251) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:35:35,908 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 242 251) no Hoare annotation was computed. [2020-07-21 10:35:35,908 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 242 251) no Hoare annotation was computed. [2020-07-21 10:35:35,908 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 866 876) the Hoare annotation is: true [2020-07-21 10:35:35,908 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 866 876) no Hoare annotation was computed. [2020-07-21 10:35:35,908 INFO L271 CegarLoopResult]: At program point L871(line 871) the Hoare annotation is: true [2020-07-21 10:35:35,908 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 866 876) no Hoare annotation was computed. [2020-07-21 10:35:35,908 INFO L268 CegarLoopResult]: For program point L871-1(line 871) no Hoare annotation was computed. [2020-07-21 10:35:35,908 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 858 865) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-21 10:35:35,909 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 858 865) no Hoare annotation was computed. [2020-07-21 10:35:35,909 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 858 865) no Hoare annotation was computed. [2020-07-21 10:35:35,909 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2020-07-21 10:35:35,909 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2020-07-21 10:35:35,909 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-07-21 10:35:35,909 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2020-07-21 10:35:35,909 INFO L264 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-21 10:35:35,909 INFO L268 CegarLoopResult]: For program point L827-1(lines 808 832) no Hoare annotation was computed. [2020-07-21 10:35:35,909 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 808 832) no Hoare annotation was computed. [2020-07-21 10:35:35,909 INFO L264 CegarLoopResult]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-21 10:35:35,909 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 808 832) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-21 10:35:35,910 INFO L264 CegarLoopResult]: At program point L818(line 818) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse0 .cse4 .cse2) (or .cse0 .cse3 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~7) .cse1)))) [2020-07-21 10:35:35,910 INFO L268 CegarLoopResult]: For program point L816(lines 816 824) no Hoare annotation was computed. [2020-07-21 10:35:35,910 INFO L264 CegarLoopResult]: At program point L814(line 814) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse0 .cse4 .cse2) (or .cse0 .cse3 .cse1))) [2020-07-21 10:35:35,910 INFO L268 CegarLoopResult]: For program point L814-1(line 814) no Hoare annotation was computed. [2020-07-21 10:35:35,910 INFO L268 CegarLoopResult]: For program point L812(lines 812 829) no Hoare annotation was computed. [2020-07-21 10:35:35,910 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 774 780) no Hoare annotation was computed. [2020-07-21 10:35:35,910 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 774 780) the Hoare annotation is: true [2020-07-21 10:35:35,910 INFO L264 CegarLoopResult]: At program point testENTRY(lines 680 743) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:35:35,910 INFO L264 CegarLoopResult]: At program point L702(line 702) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methaneLevelCritical~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:35:35,911 INFO L264 CegarLoopResult]: At program point L733(lines 690 735) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methaneLevelCritical~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:35:35,911 INFO L268 CegarLoopResult]: For program point L700(lines 700 706) no Hoare annotation was computed. [2020-07-21 10:35:35,911 INFO L268 CegarLoopResult]: For program point L700-1(lines 700 706) no Hoare annotation was computed. [2020-07-21 10:35:35,911 INFO L268 CegarLoopResult]: For program point testFINAL(lines 680 743) no Hoare annotation was computed. [2020-07-21 10:35:35,911 INFO L268 CegarLoopResult]: For program point L692(lines 692 696) no Hoare annotation was computed. [2020-07-21 10:35:35,911 INFO L264 CegarLoopResult]: At program point L736(lines 689 737) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methaneLevelCritical~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:35:35,911 INFO L268 CegarLoopResult]: For program point L726(lines 726 730) no Hoare annotation was computed. [2020-07-21 10:35:35,912 INFO L264 CegarLoopResult]: At program point L726-2(lines 720 731) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methaneLevelCritical~0) (<= 1 ~methaneLevelCritical~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:35:35,912 INFO L268 CegarLoopResult]: For program point L691(lines 690 735) no Hoare annotation was computed. [2020-07-21 10:35:35,912 INFO L268 CegarLoopResult]: For program point L720(lines 720 731) no Hoare annotation was computed. [2020-07-21 10:35:35,912 INFO L264 CegarLoopResult]: At program point L712(line 712) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methaneLevelCritical~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 10:35:35,912 INFO L268 CegarLoopResult]: For program point L710(lines 710 716) no Hoare annotation was computed. [2020-07-21 10:35:35,912 INFO L268 CegarLoopResult]: For program point L710-1(lines 710 716) no Hoare annotation was computed. [2020-07-21 10:35:35,912 INFO L268 CegarLoopResult]: For program point testEXIT(lines 680 743) no Hoare annotation was computed. [2020-07-21 10:35:35,913 INFO L268 CegarLoopResult]: For program point L607(lines 607 614) no Hoare annotation was computed. [2020-07-21 10:35:35,913 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 587 632) no Hoare annotation was computed. [2020-07-21 10:35:35,913 INFO L268 CegarLoopResult]: For program point L601(lines 601 621) no Hoare annotation was computed. [2020-07-21 10:35:35,913 INFO L268 CegarLoopResult]: For program point L601-1(lines 601 621) no Hoare annotation was computed. [2020-07-21 10:35:35,913 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 587 632) no Hoare annotation was computed. [2020-07-21 10:35:35,913 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 587 632) no Hoare annotation was computed. [2020-07-21 10:35:35,913 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 833 840) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:35,914 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 833 840) no Hoare annotation was computed. [2020-07-21 10:35:35,914 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 833 840) no Hoare annotation was computed. [2020-07-21 10:35:35,914 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-21 10:35:35,914 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-21 10:35:35,914 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-21 10:35:35,914 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-21 10:35:35,914 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-21 10:35:35,914 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 280 289) no Hoare annotation was computed. [2020-07-21 10:35:35,914 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 280 289) no Hoare annotation was computed. [2020-07-21 10:35:35,914 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 280 289) no Hoare annotation was computed. [2020-07-21 10:35:35,914 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 484 586) no Hoare annotation was computed. [2020-07-21 10:35:35,914 INFO L268 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2020-07-21 10:35:35,914 INFO L268 CegarLoopResult]: For program point L572(lines 572 583) no Hoare annotation was computed. [2020-07-21 10:35:35,915 INFO L268 CegarLoopResult]: For program point L535(lines 535 539) no Hoare annotation was computed. [2020-07-21 10:35:35,915 INFO L268 CegarLoopResult]: For program point L533-2(lines 533 553) no Hoare annotation was computed. [2020-07-21 10:35:35,915 INFO L268 CegarLoopResult]: For program point L554(lines 532 555) no Hoare annotation was computed. [2020-07-21 10:35:35,915 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 484 586) no Hoare annotation was computed. [2020-07-21 10:35:35,915 INFO L268 CegarLoopResult]: For program point L513(lines 513 529) no Hoare annotation was computed. [2020-07-21 10:35:35,915 INFO L268 CegarLoopResult]: For program point L573(lines 573 580) no Hoare annotation was computed. [2020-07-21 10:35:35,915 INFO L268 CegarLoopResult]: For program point L534(lines 533 553) no Hoare annotation was computed. [2020-07-21 10:35:35,915 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-21 10:35:35,916 INFO L268 CegarLoopResult]: For program point L565-1(line 565) no Hoare annotation was computed. [2020-07-21 10:35:35,916 INFO L268 CegarLoopResult]: For program point L530(lines 530 571) no Hoare annotation was computed. [2020-07-21 10:35:35,916 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 484 586) no Hoare annotation was computed. [2020-07-21 10:35:35,916 INFO L268 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-07-21 10:35:35,916 INFO L268 CegarLoopResult]: For program point L549-1(line 549) no Hoare annotation was computed. [2020-07-21 10:35:35,916 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:35,916 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1))) [2020-07-21 10:35:35,916 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:35,916 INFO L268 CegarLoopResult]: For program point L848(lines 848 854) no Hoare annotation was computed. [2020-07-21 10:35:35,916 INFO L264 CegarLoopResult]: At program point L846(line 846) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-21 10:35:35,917 INFO L268 CegarLoopResult]: For program point L846-1(line 846) no Hoare annotation was computed. [2020-07-21 10:35:35,917 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 841 857) no Hoare annotation was computed. [2020-07-21 10:35:35,917 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 841 857) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-21 10:35:35,917 INFO L264 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:35:35,917 INFO L268 CegarLoopResult]: For program point L852-1(lines 841 857) no Hoare annotation was computed. [2020-07-21 10:35:35,917 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2020-07-21 10:35:35,917 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-21 10:35:35,917 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-21 10:35:35,917 INFO L271 CegarLoopResult]: At program point L929(line 929) the Hoare annotation is: true [2020-07-21 10:35:35,918 INFO L268 CegarLoopResult]: For program point L931-2(lines 931 935) no Hoare annotation was computed. [2020-07-21 10:35:35,918 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 922 940) no Hoare annotation was computed. [2020-07-21 10:35:35,918 INFO L268 CegarLoopResult]: For program point L929-1(line 929) no Hoare annotation was computed. [2020-07-21 10:35:35,918 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 922 940) the Hoare annotation is: true [2020-07-21 10:35:35,918 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 922 940) no Hoare annotation was computed. [2020-07-21 10:35:35,918 INFO L268 CegarLoopResult]: For program point L931(lines 931 935) no Hoare annotation was computed. [2020-07-21 10:35:35,918 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-21 10:35:35,918 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (<= 1 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~methaneLevelCritical~0)|))) (or .cse0 (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))))) [2020-07-21 10:35:35,918 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-21 10:35:35,918 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:35,918 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:35:35,919 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:35,919 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-21 10:35:35,919 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-21 10:35:35,919 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-21 10:35:35,919 INFO L264 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1) (or .cse0 .cse3 (< 0 ~waterLevel~0) .cse4 (< |old(~waterLevel~0)| 1)) (or .cse0 .cse4 .cse2 (<= 1 ~waterLevel~0) (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-21 10:35:35,919 INFO L264 CegarLoopResult]: At program point L761(lines 761 767) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (< 0 ~waterLevel~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< |old(~waterLevel~0)| 1))) (and (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (not (= 0 ~methaneLevelCritical~0)) .cse4))) [2020-07-21 10:35:35,919 INFO L264 CegarLoopResult]: At program point L756(line 756) the Hoare annotation is: (let ((.cse2 (<= 1 ~waterLevel~0)) (.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5) (or .cse0 .cse1 .cse6) (or .cse0 .cse5 .cse2 .cse3) (or .cse0 .cse6 .cse5) (or .cse0 .cse1 .cse4))) [2020-07-21 10:35:35,919 INFO L268 CegarLoopResult]: For program point L754(lines 753 772) no Hoare annotation was computed. [2020-07-21 10:35:35,919 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 750 773) the Hoare annotation is: (let ((.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5) (or .cse0 .cse5 .cse2 .cse3) (or .cse0 .cse1 .cse4))) [2020-07-21 10:35:35,919 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 750 773) no Hoare annotation was computed. [2020-07-21 10:35:35,920 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 750 773) no Hoare annotation was computed. [2020-07-21 10:35:35,920 INFO L268 CegarLoopResult]: For program point L193(lines 193 197) no Hoare annotation was computed. [2020-07-21 10:35:35,920 INFO L264 CegarLoopResult]: At program point L193-1(lines 193 197) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:35,920 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 179 208) no Hoare annotation was computed. [2020-07-21 10:35:35,920 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-21 10:35:35,920 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 179 208) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:35:35,920 INFO L264 CegarLoopResult]: At program point L189-2(lines 189 203) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:35,921 INFO L264 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:35:35,921 INFO L268 CegarLoopResult]: For program point L185-1(line 185) no Hoare annotation was computed. [2020-07-21 10:35:35,921 INFO L271 CegarLoopResult]: At program point L204(lines 179 208) the Hoare annotation is: true [2020-07-21 10:35:35,921 INFO L268 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-07-21 10:35:35,921 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2))) [2020-07-21 10:35:35,921 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-21 10:35:35,921 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-21 10:35:35,921 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 234 240) no Hoare annotation was computed. [2020-07-21 10:35:35,921 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 234 240) the Hoare annotation is: true [2020-07-21 10:35:35,921 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:35,922 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 10:35:35,922 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:35:35,922 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:35,922 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-21 10:35:35,922 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-21 10:35:35,922 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) (<= 1 ~waterLevel~0) (not (<= 1 |old(~waterLevel~0)|))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1) (not (= 0 ~pumpRunning~0))))) [2020-07-21 10:35:35,922 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 141 148) no Hoare annotation was computed. [2020-07-21 10:35:35,923 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2020-07-21 10:35:35,923 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 141 148) the Hoare annotation is: true [2020-07-21 10:35:35,923 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 141 148) no Hoare annotation was computed. [2020-07-21 10:35:35,923 INFO L264 CegarLoopResult]: At program point L161(line 161) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~methaneLevelCritical~0))) [2020-07-21 10:35:35,923 INFO L268 CegarLoopResult]: For program point L161-1(line 161) no Hoare annotation was computed. [2020-07-21 10:35:35,923 INFO L268 CegarLoopResult]: For program point L159(lines 159 172) no Hoare annotation was computed. [2020-07-21 10:35:35,923 INFO L268 CegarLoopResult]: For program point L159-1(lines 151 175) no Hoare annotation was computed. [2020-07-21 10:35:35,923 INFO L271 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: true [2020-07-21 10:35:35,923 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 151 175) the Hoare annotation is: true [2020-07-21 10:35:35,923 INFO L268 CegarLoopResult]: For program point L157-1(line 157) no Hoare annotation was computed. [2020-07-21 10:35:35,923 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 151 175) no Hoare annotation was computed. [2020-07-21 10:35:35,924 INFO L264 CegarLoopResult]: At program point L165(line 165) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0))) (or .cse0 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-21 10:35:35,924 INFO L268 CegarLoopResult]: For program point L163(lines 163 169) no Hoare annotation was computed. [2020-07-21 10:35:35,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:35:35 BoogieIcfgContainer [2020-07-21 10:35:35,941 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:35:35,942 INFO L168 Benchmark]: Toolchain (without parser) took 11941.58 ms. Allocated memory was 144.7 MB in the beginning and 360.7 MB in the end (delta: 216.0 MB). Free memory was 101.6 MB in the beginning and 272.0 MB in the end (delta: -170.4 MB). Peak memory consumption was 231.1 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:35,943 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-21 10:35:35,944 INFO L168 Benchmark]: CACSL2BoogieTranslator took 600.92 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 101.2 MB in the beginning and 171.1 MB in the end (delta: -69.9 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:35,945 INFO L168 Benchmark]: Boogie Preprocessor took 108.51 ms. Allocated memory is still 202.9 MB. Free memory was 171.1 MB in the beginning and 166.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:35,945 INFO L168 Benchmark]: RCFGBuilder took 1234.11 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 166.9 MB in the beginning and 197.5 MB in the end (delta: -30.6 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:35,946 INFO L168 Benchmark]: TraceAbstraction took 9992.94 ms. Allocated memory was 235.4 MB in the beginning and 360.7 MB in the end (delta: 125.3 MB). Free memory was 196.0 MB in the beginning and 272.0 MB in the end (delta: -76.0 MB). Peak memory consumption was 234.8 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:35,950 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 600.92 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 101.2 MB in the beginning and 171.1 MB in the end (delta: -69.9 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.51 ms. Allocated memory is still 202.9 MB. Free memory was 171.1 MB in the beginning and 166.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1234.11 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 166.9 MB in the beginning and 197.5 MB in the end (delta: -30.6 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9992.94 ms. Allocated memory was 235.4 MB in the beginning and 360.7 MB in the end (delta: 125.3 MB). Free memory was 196.0 MB in the beginning and 272.0 MB in the end (delta: -76.0 MB). Peak memory consumption was 234.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 189]: Loop Invariant Derived loop invariant: ((!(1 <= systemActive) || !(1 <= methaneLevelCritical)) || !(0 == \old(pumpRunning))) || 0 == pumpRunning - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: ((((!(1 <= systemActive) || 0 == methaneLevelCritical) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (1 <= methaneLevelCritical && 0 == pumpRunning)) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: ((((!(1 <= systemActive) || 0 == methaneLevelCritical) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (1 <= methaneLevelCritical && 0 == pumpRunning)) || !(1 <= \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 232 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.4s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1290 SDtfs, 793 SDslu, 2086 SDs, 0 SdLazy, 1261 SolverSat, 207 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 798 GetRequests, 754 SyntacticMatches, 9 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=570occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 57 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 1131 PreInvPairs, 1277 NumberOfFragments, 1366 HoareAnnotationTreeSize, 1131 FomulaSimplifications, 1513 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 60 FomulaSimplificationsInter, 5813 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 647 NumberOfCodeBlocks, 647 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 788 ConstructedInterpolants, 0 QuantifiedInterpolants, 170548 SizeOfPredicates, 19 NumberOfNonLiveVariables, 5176 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 149/150 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...