/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 00:59:58,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 00:59:58,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 00:59:58,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 00:59:58,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 00:59:58,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 00:59:58,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 00:59:58,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 00:59:58,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 00:59:58,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 00:59:58,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 00:59:58,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 00:59:58,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 00:59:58,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 00:59:58,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 00:59:58,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 00:59:58,694 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 00:59:58,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 00:59:58,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 00:59:58,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 00:59:58,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 00:59:58,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 00:59:58,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 00:59:58,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 00:59:58,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 00:59:58,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 00:59:58,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 00:59:58,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 00:59:58,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 00:59:58,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 00:59:58,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 00:59:58,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 00:59:58,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 00:59:58,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 00:59:58,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 00:59:58,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 00:59:58,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 00:59:58,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 00:59:58,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 00:59:58,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 00:59:58,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 00:59:58,728 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 00:59:58,749 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 00:59:58,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 00:59:58,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 00:59:58,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 00:59:58,752 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 00:59:58,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 00:59:58,753 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 00:59:58,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 00:59:58,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 00:59:58,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 00:59:58,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 00:59:58,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 00:59:58,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 00:59:58,756 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 00:59:58,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 00:59:58,756 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 00:59:58,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 00:59:58,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 00:59:58,757 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 00:59:58,757 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 00:59:58,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 00:59:58,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 00:59:58,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 00:59:58,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 00:59:58,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 00:59:58,758 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 00:59:58,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 00:59:58,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 00:59:58,759 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 00:59:58,759 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 00:59:59,042 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 00:59:59,061 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 00:59:59,064 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 00:59:59,066 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 00:59:59,068 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 00:59:59,068 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product02.cil.c [2020-07-20 00:59:59,134 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa2bbd61b/cdaa3e7e6a51403f9ad08b71ef448a59/FLAG38020b721 [2020-07-20 00:59:59,611 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 00:59:59,612 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product02.cil.c [2020-07-20 00:59:59,624 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa2bbd61b/cdaa3e7e6a51403f9ad08b71ef448a59/FLAG38020b721 [2020-07-20 00:59:59,953 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa2bbd61b/cdaa3e7e6a51403f9ad08b71ef448a59 [2020-07-20 00:59:59,960 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 00:59:59,963 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 00:59:59,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 00:59:59,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 00:59:59,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 00:59:59,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:59:59" (1/1) ... [2020-07-20 00:59:59,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77a550b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:59:59, skipping insertion in model container [2020-07-20 00:59:59,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:59:59" (1/1) ... [2020-07-20 00:59:59,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:00:00,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:00:00,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:00:00,452 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:00:00,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:00:00,582 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:00:00,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:00 WrapperNode [2020-07-20 01:00:00,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:00:00,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:00:00,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:00:00,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:00:00,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:00" (1/1) ... [2020-07-20 01:00:00,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:00" (1/1) ... [2020-07-20 01:00:00,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:00" (1/1) ... [2020-07-20 01:00:00,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:00" (1/1) ... [2020-07-20 01:00:00,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:00" (1/1) ... [2020-07-20 01:00:00,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:00" (1/1) ... [2020-07-20 01:00:00,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:00" (1/1) ... [2020-07-20 01:00:00,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:00:00,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:00:00,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:00:00,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:00:00,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:00:00,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:00:00,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:00:00,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 01:00:00,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 01:00:00,772 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 01:00:00,772 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 01:00:00,772 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 01:00:00,773 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 01:00:00,773 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 01:00:00,774 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 01:00:00,774 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 01:00:00,775 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 01:00:00,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 01:00:00,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 01:00:00,775 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 01:00:00,776 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 01:00:00,776 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 01:00:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 01:00:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 01:00:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 01:00:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 01:00:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 01:00:00,777 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 01:00:00,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 01:00:00,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 01:00:00,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 01:00:00,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 01:00:00,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 01:00:00,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 01:00:00,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 01:00:00,779 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 01:00:00,779 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 01:00:00,779 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 01:00:00,779 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 01:00:00,779 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:00:00,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:00:00,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 01:00:00,780 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 01:00:00,780 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 01:00:00,780 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 01:00:00,780 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 01:00:00,780 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 01:00:00,780 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 01:00:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 01:00:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 01:00:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 01:00:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 01:00:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 01:00:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 01:00:00,781 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 01:00:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 01:00:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 01:00:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 01:00:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 01:00:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 01:00:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 01:00:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 01:00:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 01:00:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 01:00:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 01:00:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 01:00:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 01:00:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 01:00:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 01:00:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 01:00:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 01:00:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 01:00:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 01:00:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 01:00:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 01:00:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 01:00:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 01:00:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 01:00:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 01:00:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 01:00:00,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 01:00:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 01:00:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 01:00:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 01:00:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 01:00:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:00:00,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:00:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 01:00:00,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:00:01,770 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:00:01,771 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 01:00:01,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:00:01 BoogieIcfgContainer [2020-07-20 01:00:01,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:00:01,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:00:01,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:00:01,780 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:00:01,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:59:59" (1/3) ... [2020-07-20 01:00:01,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@365a25ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:00:01, skipping insertion in model container [2020-07-20 01:00:01,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:00" (2/3) ... [2020-07-20 01:00:01,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@365a25ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:00:01, skipping insertion in model container [2020-07-20 01:00:01,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:00:01" (3/3) ... [2020-07-20 01:00:01,784 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product02.cil.c [2020-07-20 01:00:01,794 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:00:01,802 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:00:01,816 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:00:01,840 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:00:01,840 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:00:01,840 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:00:01,840 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:00:01,841 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:00:01,841 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:00:01,841 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:00:01,841 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:00:01,863 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2020-07-20 01:00:01,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 01:00:01,872 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:00:01,873 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:00:01,873 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:00:01,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:00:01,879 INFO L82 PathProgramCache]: Analyzing trace with hash 985009112, now seen corresponding path program 1 times [2020-07-20 01:00:01,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:00:01,889 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568330734] [2020-07-20 01:00:01,890 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e88fce [2020-07-20 01:00:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:02,523 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:00:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:02,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:00:02,620 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568330734] [2020-07-20 01:00:02,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:00:02,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 01:00:02,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270951933] [2020-07-20 01:00:02,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:00:02,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:00:02,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:00:02,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 01:00:02,650 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 3 states. [2020-07-20 01:00:03,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:00:03,521 INFO L93 Difference]: Finished difference Result 208 states and 280 transitions. [2020-07-20 01:00:03,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:00:03,523 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-20 01:00:03,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:00:03,536 INFO L225 Difference]: With dead ends: 208 [2020-07-20 01:00:03,536 INFO L226 Difference]: Without dead ends: 114 [2020-07-20 01:00:03,540 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 01:00:03,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-07-20 01:00:03,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 85. [2020-07-20 01:00:03,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-07-20 01:00:03,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2020-07-20 01:00:03,609 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46 [2020-07-20 01:00:03,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:00:03,610 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2020-07-20 01:00:03,610 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:00:03,610 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2020-07-20 01:00:03,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 01:00:03,613 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:00:03,613 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:00:03,614 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:00:03,614 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:00:03,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:00:03,614 INFO L82 PathProgramCache]: Analyzing trace with hash -2101459879, now seen corresponding path program 1 times [2020-07-20 01:00:03,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:00:03,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983034194] [2020-07-20 01:00:03,615 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e88fce [2020-07-20 01:00:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:03,912 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:00:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:03,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:00:03,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983034194] [2020-07-20 01:00:03,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:00:03,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 01:00:03,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588670173] [2020-07-20 01:00:03,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 01:00:03,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:00:03,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 01:00:03,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 01:00:03,978 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 4 states. [2020-07-20 01:00:04,406 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:00:04,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:00:04,881 INFO L93 Difference]: Finished difference Result 137 states and 167 transitions. [2020-07-20 01:00:04,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 01:00:04,881 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-20 01:00:04,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:00:04,883 INFO L225 Difference]: With dead ends: 137 [2020-07-20 01:00:04,883 INFO L226 Difference]: Without dead ends: 98 [2020-07-20 01:00:04,885 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:00:04,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-07-20 01:00:04,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2020-07-20 01:00:04,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-07-20 01:00:04,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2020-07-20 01:00:04,912 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47 [2020-07-20 01:00:04,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:00:04,913 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2020-07-20 01:00:04,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 01:00:04,913 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2020-07-20 01:00:04,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 01:00:04,915 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:00:04,915 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:00:04,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 01:00:04,915 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:00:04,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:00:04,916 INFO L82 PathProgramCache]: Analyzing trace with hash -727692587, now seen corresponding path program 1 times [2020-07-20 01:00:04,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:00:04,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162733385] [2020-07-20 01:00:04,917 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e88fce [2020-07-20 01:00:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:05,187 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:00:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:05,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:00:05,275 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162733385] [2020-07-20 01:00:05,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:00:05,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 01:00:05,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175629094] [2020-07-20 01:00:05,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:00:05,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:00:05,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:00:05,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:00:05,278 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 8 states. [2020-07-20 01:00:05,755 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:00:06,065 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:00:06,312 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:00:06,570 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:00:07,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:00:07,238 INFO L93 Difference]: Finished difference Result 150 states and 185 transitions. [2020-07-20 01:00:07,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 01:00:07,239 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-20 01:00:07,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:00:07,241 INFO L225 Difference]: With dead ends: 150 [2020-07-20 01:00:07,241 INFO L226 Difference]: Without dead ends: 98 [2020-07-20 01:00:07,242 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:00:07,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-07-20 01:00:07,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2020-07-20 01:00:07,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-07-20 01:00:07,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2020-07-20 01:00:07,300 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52 [2020-07-20 01:00:07,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:00:07,301 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2020-07-20 01:00:07,301 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:00:07,301 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2020-07-20 01:00:07,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-20 01:00:07,303 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:00:07,303 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:00:07,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 01:00:07,303 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:00:07,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:00:07,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1037705015, now seen corresponding path program 1 times [2020-07-20 01:00:07,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:00:07,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332522833] [2020-07-20 01:00:07,305 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e88fce [2020-07-20 01:00:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:07,604 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:00:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:07,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:00:07,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332522833] [2020-07-20 01:00:07,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:00:07,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-20 01:00:07,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352739269] [2020-07-20 01:00:07,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 01:00:07,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:00:07,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 01:00:07,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:00:07,692 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 11 states. [2020-07-20 01:00:08,149 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:00:08,488 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:00:08,732 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:00:08,958 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:00:09,429 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:00:09,933 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:00:10,185 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:00:10,454 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:00:10,682 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:00:10,909 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:00:11,174 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:00:11,453 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:00:11,688 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:00:12,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:00:12,130 INFO L93 Difference]: Finished difference Result 234 states and 296 transitions. [2020-07-20 01:00:12,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 01:00:12,131 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 55 [2020-07-20 01:00:12,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:00:12,135 INFO L225 Difference]: With dead ends: 234 [2020-07-20 01:00:12,135 INFO L226 Difference]: Without dead ends: 182 [2020-07-20 01:00:12,136 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2020-07-20 01:00:12,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-07-20 01:00:12,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 165. [2020-07-20 01:00:12,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-07-20 01:00:12,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 193 transitions. [2020-07-20 01:00:12,182 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 193 transitions. Word has length 55 [2020-07-20 01:00:12,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:00:12,182 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 193 transitions. [2020-07-20 01:00:12,182 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 01:00:12,183 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 193 transitions. [2020-07-20 01:00:12,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 01:00:12,185 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:00:12,185 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] [2020-07-20 01:00:12,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 01:00:12,185 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:00:12,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:00:12,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1822718639, now seen corresponding path program 1 times [2020-07-20 01:00:12,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:00:12,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552968658] [2020-07-20 01:00:12,187 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e88fce [2020-07-20 01:00:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:12,411 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:00:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:12,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:00:12,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552968658] [2020-07-20 01:00:12,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:00:12,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 01:00:12,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777757532] [2020-07-20 01:00:12,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:00:12,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:00:12,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:00:12,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:00:12,479 INFO L87 Difference]: Start difference. First operand 165 states and 193 transitions. Second operand 5 states. [2020-07-20 01:00:12,869 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:00:13,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:00:13,312 INFO L93 Difference]: Finished difference Result 263 states and 318 transitions. [2020-07-20 01:00:13,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 01:00:13,312 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-07-20 01:00:13,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:00:13,316 INFO L225 Difference]: With dead ends: 263 [2020-07-20 01:00:13,316 INFO L226 Difference]: Without dead ends: 161 [2020-07-20 01:00:13,317 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:00:13,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-07-20 01:00:13,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 148. [2020-07-20 01:00:13,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-20 01:00:13,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 165 transitions. [2020-07-20 01:00:13,350 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 165 transitions. Word has length 59 [2020-07-20 01:00:13,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:00:13,351 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 165 transitions. [2020-07-20 01:00:13,351 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:00:13,351 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 165 transitions. [2020-07-20 01:00:13,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-07-20 01:00:13,353 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:00:13,353 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-07-20 01:00:13,354 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 01:00:13,354 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:00:13,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:00:13,354 INFO L82 PathProgramCache]: Analyzing trace with hash 337274058, now seen corresponding path program 1 times [2020-07-20 01:00:13,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:00:13,355 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189517602] [2020-07-20 01:00:13,355 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1e88fce [2020-07-20 01:00:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:13,633 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:00:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:13,785 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-20 01:00:13,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189517602] [2020-07-20 01:00:13,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381147555] [2020-07-20 01:00:13,787 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@675f6cd5 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:00:14,258 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@675f6cd5 issued 4 check-sat command(s) [2020-07-20 01:00:14,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:00:14,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 01:00:14,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:00:14,350 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 01:00:14,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:00:14,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2020-07-20 01:00:14,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142197320] [2020-07-20 01:00:14,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 01:00:14,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:00:14,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 01:00:14,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:00:14,352 INFO L87 Difference]: Start difference. First operand 148 states and 165 transitions. Second operand 10 states. [2020-07-20 01:00:15,092 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-20 01:00:15,617 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:00:16,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:00:16,188 INFO L93 Difference]: Finished difference Result 200 states and 232 transitions. [2020-07-20 01:00:16,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 01:00:16,189 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2020-07-20 01:00:16,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:00:16,190 INFO L225 Difference]: With dead ends: 200 [2020-07-20 01:00:16,190 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:00:16,192 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 117 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-20 01:00:16,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:00:16,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:00:16,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:00:16,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:00:16,194 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 90 [2020-07-20 01:00:16,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:00:16,196 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:00:16,196 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 01:00:16,196 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:00:16,196 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:00:16,404 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-20 01:00:16,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:00:16,755 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 191 [2020-07-20 01:00:18,454 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-07-20 01:00:18,807 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-07-20 01:00:19,281 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-07-20 01:00:19,413 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-20 01:00:19,814 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-07-20 01:00:20,263 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 19 [2020-07-20 01:00:20,731 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 19 [2020-07-20 01:00:21,069 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-07-20 01:00:21,704 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-07-20 01:00:21,902 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:00:22,456 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 20 [2020-07-20 01:00:22,592 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-20 01:00:22,958 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-07-20 01:00:23,586 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-07-20 01:00:23,719 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-20 01:00:24,076 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-07-20 01:00:24,871 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 19 [2020-07-20 01:00:25,056 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-20 01:00:25,494 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-07-20 01:00:25,499 INFO L268 CegarLoopResult]: For program point L472(lines 472 476) no Hoare annotation was computed. [2020-07-20 01:00:25,499 INFO L268 CegarLoopResult]: For program point L472-1(lines 472 476) no Hoare annotation was computed. [2020-07-20 01:00:25,499 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-20 01:00:25,499 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 441 496) no Hoare annotation was computed. [2020-07-20 01:00:25,499 INFO L268 CegarLoopResult]: For program point L466-2(lines 466 487) no Hoare annotation was computed. [2020-07-20 01:00:25,500 INFO L268 CegarLoopResult]: For program point L488(lines 465 489) no Hoare annotation was computed. [2020-07-20 01:00:25,500 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 441 496) no Hoare annotation was computed. [2020-07-20 01:00:25,500 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 441 496) no Hoare annotation was computed. [2020-07-20 01:00:25,500 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-20 01:00:25,500 INFO L268 CegarLoopResult]: For program point L542-1(line 542) no Hoare annotation was computed. [2020-07-20 01:00:25,500 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 497 556) no Hoare annotation was computed. [2020-07-20 01:00:25,500 INFO L268 CegarLoopResult]: For program point L529(lines 529 533) no Hoare annotation was computed. [2020-07-20 01:00:25,500 INFO L268 CegarLoopResult]: For program point L529-1(lines 529 533) no Hoare annotation was computed. [2020-07-20 01:00:25,500 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 497 556) no Hoare annotation was computed. [2020-07-20 01:00:25,500 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-20 01:00:25,501 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 497 556) no Hoare annotation was computed. [2020-07-20 01:00:25,501 INFO L268 CegarLoopResult]: For program point L523-2(lines 523 548) no Hoare annotation was computed. [2020-07-20 01:00:25,501 INFO L268 CegarLoopResult]: For program point L549(lines 522 550) no Hoare annotation was computed. [2020-07-20 01:00:25,501 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2020-07-20 01:00:25,501 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2020-07-20 01:00:25,501 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2020-07-20 01:00:25,501 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2020-07-20 01:00:25,501 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2020-07-20 01:00:25,501 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 363 387) the Hoare annotation is: true [2020-07-20 01:00:25,502 INFO L264 CegarLoopResult]: At program point L377(line 377) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-20 01:00:25,502 INFO L268 CegarLoopResult]: For program point L375(lines 375 381) no Hoare annotation was computed. [2020-07-20 01:00:25,502 INFO L264 CegarLoopResult]: At program point L373(line 373) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-20 01:00:25,502 INFO L268 CegarLoopResult]: For program point L373-1(line 373) no Hoare annotation was computed. [2020-07-20 01:00:25,502 INFO L268 CegarLoopResult]: For program point L371(lines 371 384) no Hoare annotation was computed. [2020-07-20 01:00:25,502 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 363 387) no Hoare annotation was computed. [2020-07-20 01:00:25,502 INFO L268 CegarLoopResult]: For program point L371-1(lines 363 387) no Hoare annotation was computed. [2020-07-20 01:00:25,502 INFO L271 CegarLoopResult]: At program point L369(line 369) the Hoare annotation is: true [2020-07-20 01:00:25,502 INFO L268 CegarLoopResult]: For program point L369-1(line 369) no Hoare annotation was computed. [2020-07-20 01:00:25,503 INFO L264 CegarLoopResult]: At program point L833(line 833) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:00:25,503 INFO L264 CegarLoopResult]: At program point L833-1(line 833) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:00:25,503 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 827 849) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:00:25,503 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 827 849) no Hoare annotation was computed. [2020-07-20 01:00:25,503 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 827 849) no Hoare annotation was computed. [2020-07-20 01:00:25,503 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (or (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~5 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:00:25,503 INFO L264 CegarLoopResult]: At program point L839-1(line 839) the Hoare annotation is: (or (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~5 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:00:25,503 INFO L268 CegarLoopResult]: For program point L837(lines 837 844) no Hoare annotation was computed. [2020-07-20 01:00:25,503 INFO L268 CegarLoopResult]: For program point L837-1(lines 837 844) no Hoare annotation was computed. [2020-07-20 01:00:25,504 INFO L268 CegarLoopResult]: For program point L835(line 835) no Hoare annotation was computed. [2020-07-20 01:00:25,504 INFO L264 CegarLoopResult]: At program point L834(line 834) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:00:25,504 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-07-20 01:00:25,504 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-07-20 01:00:25,504 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 786 809) no Hoare annotation was computed. [2020-07-20 01:00:25,504 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-07-20 01:00:25,504 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-07-20 01:00:25,504 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-07-20 01:00:25,505 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 786 809) no Hoare annotation was computed. [2020-07-20 01:00:25,505 INFO L268 CegarLoopResult]: For program point L796(line 796) no Hoare annotation was computed. [2020-07-20 01:00:25,505 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 786 809) no Hoare annotation was computed. [2020-07-20 01:00:25,505 INFO L268 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2020-07-20 01:00:25,505 INFO L268 CegarLoopResult]: For program point L794(line 794) no Hoare annotation was computed. [2020-07-20 01:00:25,505 INFO L268 CegarLoopResult]: For program point L793(line 793) no Hoare annotation was computed. [2020-07-20 01:00:25,505 INFO L268 CegarLoopResult]: For program point L792(line 792) no Hoare annotation was computed. [2020-07-20 01:00:25,505 INFO L268 CegarLoopResult]: For program point L791(line 791) no Hoare annotation was computed. [2020-07-20 01:00:25,505 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-07-20 01:00:25,505 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-07-20 01:00:25,505 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-07-20 01:00:25,506 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 158 166) no Hoare annotation was computed. [2020-07-20 01:00:25,506 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 158 166) the Hoare annotation is: true [2020-07-20 01:00:25,506 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 158 166) no Hoare annotation was computed. [2020-07-20 01:00:25,506 INFO L268 CegarLoopResult]: For program point L186(lines 186 194) no Hoare annotation was computed. [2020-07-20 01:00:25,506 INFO L268 CegarLoopResult]: For program point L186-2(lines 186 194) no Hoare annotation was computed. [2020-07-20 01:00:25,506 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 167 202) no Hoare annotation was computed. [2020-07-20 01:00:25,506 INFO L268 CegarLoopResult]: For program point L174(lines 174 182) no Hoare annotation was computed. [2020-07-20 01:00:25,506 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 182) no Hoare annotation was computed. [2020-07-20 01:00:25,506 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 167 202) no Hoare annotation was computed. [2020-07-20 01:00:25,507 INFO L268 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-07-20 01:00:25,507 INFO L268 CegarLoopResult]: For program point L197-1(line 197) no Hoare annotation was computed. [2020-07-20 01:00:25,507 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 167 202) no Hoare annotation was computed. [2020-07-20 01:00:25,507 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2020-07-20 01:00:25,507 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2020-07-20 01:00:25,507 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 395 440) no Hoare annotation was computed. [2020-07-20 01:00:25,507 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 395 440) no Hoare annotation was computed. [2020-07-20 01:00:25,507 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 395 440) no Hoare annotation was computed. [2020-07-20 01:00:25,507 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 708 753) no Hoare annotation was computed. [2020-07-20 01:00:25,507 INFO L268 CegarLoopResult]: For program point L728(lines 728 735) no Hoare annotation was computed. [2020-07-20 01:00:25,507 INFO L268 CegarLoopResult]: For program point L722(lines 722 742) no Hoare annotation was computed. [2020-07-20 01:00:25,507 INFO L268 CegarLoopResult]: For program point L722-1(lines 722 742) no Hoare annotation was computed. [2020-07-20 01:00:25,508 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 708 753) no Hoare annotation was computed. [2020-07-20 01:00:25,508 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 708 753) no Hoare annotation was computed. [2020-07-20 01:00:25,508 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 817 826) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:00:25,508 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 817 826) no Hoare annotation was computed. [2020-07-20 01:00:25,508 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 817 826) no Hoare annotation was computed. [2020-07-20 01:00:25,508 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 147 157) no Hoare annotation was computed. [2020-07-20 01:00:25,508 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 147 157) no Hoare annotation was computed. [2020-07-20 01:00:25,509 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-07-20 01:00:25,509 INFO L268 CegarLoopResult]: For program point L152-1(line 152) no Hoare annotation was computed. [2020-07-20 01:00:25,509 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 147 157) no Hoare annotation was computed. [2020-07-20 01:00:25,509 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 139 146) no Hoare annotation was computed. [2020-07-20 01:00:25,509 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 139 146) no Hoare annotation was computed. [2020-07-20 01:00:25,509 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 139 146) no Hoare annotation was computed. [2020-07-20 01:00:25,509 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 124 130) no Hoare annotation was computed. [2020-07-20 01:00:25,509 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 124 130) the Hoare annotation is: true [2020-07-20 01:00:25,509 INFO L264 CegarLoopResult]: At program point testENTRY(lines 215 280) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:00:25,509 INFO L268 CegarLoopResult]: For program point testFINAL(lines 215 280) no Hoare annotation was computed. [2020-07-20 01:00:25,510 INFO L264 CegarLoopResult]: At program point L273(lines 224 274) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:00:25,510 INFO L268 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-07-20 01:00:25,510 INFO L264 CegarLoopResult]: At program point L263-2(lines 255 268) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 1 ~waterLevel~0) .cse1) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:00:25,510 INFO L268 CegarLoopResult]: For program point L226(lines 225 272) no Hoare annotation was computed. [2020-07-20 01:00:25,510 INFO L264 CegarLoopResult]: At program point L257(line 257) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 1 ~waterLevel~0) .cse1) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:00:25,510 INFO L268 CegarLoopResult]: For program point L255(lines 255 268) no Hoare annotation was computed. [2020-07-20 01:00:25,510 INFO L264 CegarLoopResult]: At program point L247(line 247) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 1 ~waterLevel~0) .cse1) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:00:25,510 INFO L268 CegarLoopResult]: For program point L245(lines 245 251) no Hoare annotation was computed. [2020-07-20 01:00:25,510 INFO L268 CegarLoopResult]: For program point L245-1(lines 245 251) no Hoare annotation was computed. [2020-07-20 01:00:25,511 INFO L264 CegarLoopResult]: At program point L270(lines 225 272) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 1 ~waterLevel~0) .cse1) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:00:25,511 INFO L264 CegarLoopResult]: At program point L237(line 237) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 1 ~waterLevel~0) .cse1) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:00:25,511 INFO L268 CegarLoopResult]: For program point L235(lines 235 241) no Hoare annotation was computed. [2020-07-20 01:00:25,511 INFO L268 CegarLoopResult]: For program point L235-1(lines 235 241) no Hoare annotation was computed. [2020-07-20 01:00:25,511 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-07-20 01:00:25,511 INFO L268 CegarLoopResult]: For program point testEXIT(lines 215 280) no Hoare annotation was computed. [2020-07-20 01:00:25,511 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 662 707) no Hoare annotation was computed. [2020-07-20 01:00:25,511 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 662 707) no Hoare annotation was computed. [2020-07-20 01:00:25,511 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 662 707) no Hoare annotation was computed. [2020-07-20 01:00:25,511 INFO L268 CegarLoopResult]: For program point L682(lines 682 689) no Hoare annotation was computed. [2020-07-20 01:00:25,512 INFO L268 CegarLoopResult]: For program point L676(lines 676 696) no Hoare annotation was computed. [2020-07-20 01:00:25,512 INFO L268 CegarLoopResult]: For program point L676-1(lines 676 696) no Hoare annotation was computed. [2020-07-20 01:00:25,512 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 346) no Hoare annotation was computed. [2020-07-20 01:00:25,512 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 330 352) no Hoare annotation was computed. [2020-07-20 01:00:25,512 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 330 352) no Hoare annotation was computed. [2020-07-20 01:00:25,512 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 330 352) no Hoare annotation was computed. [2020-07-20 01:00:25,512 INFO L268 CegarLoopResult]: For program point L338(lines 338 346) no Hoare annotation was computed. [2020-07-20 01:00:25,512 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2020-07-20 01:00:25,512 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2020-07-20 01:00:25,512 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2020-07-20 01:00:25,512 INFO L268 CegarLoopResult]: For program point L609(lines 608 628) no Hoare annotation was computed. [2020-07-20 01:00:25,512 INFO L268 CegarLoopResult]: For program point L640(line 640) no Hoare annotation was computed. [2020-07-20 01:00:25,512 INFO L268 CegarLoopResult]: For program point L640-1(line 640) no Hoare annotation was computed. [2020-07-20 01:00:25,512 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 559 661) no Hoare annotation was computed. [2020-07-20 01:00:25,513 INFO L268 CegarLoopResult]: For program point L605(lines 605 646) no Hoare annotation was computed. [2020-07-20 01:00:25,513 INFO L268 CegarLoopResult]: For program point L624(line 624) no Hoare annotation was computed. [2020-07-20 01:00:25,513 INFO L268 CegarLoopResult]: For program point L624-1(line 624) no Hoare annotation was computed. [2020-07-20 01:00:25,513 INFO L268 CegarLoopResult]: For program point L583(lines 583 587) no Hoare annotation was computed. [2020-07-20 01:00:25,513 INFO L268 CegarLoopResult]: For program point L647(lines 647 658) no Hoare annotation was computed. [2020-07-20 01:00:25,513 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 559 661) no Hoare annotation was computed. [2020-07-20 01:00:25,513 INFO L268 CegarLoopResult]: For program point L610(lines 610 614) no Hoare annotation was computed. [2020-07-20 01:00:25,513 INFO L268 CegarLoopResult]: For program point L608-2(lines 608 628) no Hoare annotation was computed. [2020-07-20 01:00:25,513 INFO L268 CegarLoopResult]: For program point L629(lines 607 630) no Hoare annotation was computed. [2020-07-20 01:00:25,513 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 559 661) no Hoare annotation was computed. [2020-07-20 01:00:25,513 INFO L268 CegarLoopResult]: For program point L588(lines 588 604) no Hoare annotation was computed. [2020-07-20 01:00:25,513 INFO L268 CegarLoopResult]: For program point L648(lines 648 655) no Hoare annotation was computed. [2020-07-20 01:00:25,514 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:00:25,514 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-20 01:00:25,514 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:00:25,514 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 131 138) no Hoare annotation was computed. [2020-07-20 01:00:25,514 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 131 138) no Hoare annotation was computed. [2020-07-20 01:00:25,514 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 131 138) no Hoare annotation was computed. [2020-07-20 01:00:25,515 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 353 361) the Hoare annotation is: true [2020-07-20 01:00:25,515 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 353 361) no Hoare annotation was computed. [2020-07-20 01:00:25,515 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 353 361) no Hoare annotation was computed. [2020-07-20 01:00:25,515 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 309 320) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2))) [2020-07-20 01:00:25,515 INFO L268 CegarLoopResult]: For program point L313-1(lines 309 320) no Hoare annotation was computed. [2020-07-20 01:00:25,515 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 309 320) no Hoare annotation was computed. [2020-07-20 01:00:25,515 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:00:25,515 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 01:00:25,515 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:00:25,516 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 321 329) no Hoare annotation was computed. [2020-07-20 01:00:25,516 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 321 329) no Hoare annotation was computed. [2020-07-20 01:00:25,516 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 321 329) no Hoare annotation was computed. [2020-07-20 01:00:25,516 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2))) [2020-07-20 01:00:25,516 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 100 123) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2))) [2020-07-20 01:00:25,516 INFO L264 CegarLoopResult]: At program point L111(lines 111 117) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2))) [2020-07-20 01:00:25,516 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 100 123) no Hoare annotation was computed. [2020-07-20 01:00:25,517 INFO L264 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 1 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2020-07-20 01:00:25,517 INFO L268 CegarLoopResult]: For program point L104(lines 103 122) no Hoare annotation was computed. [2020-07-20 01:00:25,517 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 100 123) no Hoare annotation was computed. [2020-07-20 01:00:25,517 INFO L271 CegarLoopResult]: At program point L770-1(lines 770 774) the Hoare annotation is: true [2020-07-20 01:00:25,517 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 756 785) no Hoare annotation was computed. [2020-07-20 01:00:25,517 INFO L268 CegarLoopResult]: For program point L767(line 767) no Hoare annotation was computed. [2020-07-20 01:00:25,517 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 756 785) the Hoare annotation is: true [2020-07-20 01:00:25,517 INFO L271 CegarLoopResult]: At program point L766-2(lines 766 780) the Hoare annotation is: true [2020-07-20 01:00:25,518 INFO L271 CegarLoopResult]: At program point L762(line 762) the Hoare annotation is: true [2020-07-20 01:00:25,518 INFO L268 CegarLoopResult]: For program point L762-1(line 762) no Hoare annotation was computed. [2020-07-20 01:00:25,518 INFO L271 CegarLoopResult]: At program point L781(lines 756 785) the Hoare annotation is: true [2020-07-20 01:00:25,518 INFO L268 CegarLoopResult]: For program point L777(line 777) no Hoare annotation was computed. [2020-07-20 01:00:25,518 INFO L268 CegarLoopResult]: For program point L770(lines 770 774) no Hoare annotation was computed. [2020-07-20 01:00:25,518 INFO L268 CegarLoopResult]: For program point L289-1(lines 285 296) no Hoare annotation was computed. [2020-07-20 01:00:25,518 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 285 296) the Hoare annotation is: true [2020-07-20 01:00:25,518 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 285 296) no Hoare annotation was computed. [2020-07-20 01:00:25,518 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 810 816) no Hoare annotation was computed. [2020-07-20 01:00:25,518 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 810 816) the Hoare annotation is: true [2020-07-20 01:00:25,519 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:00:25,519 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-20 01:00:25,519 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:00:25,519 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:00:25,519 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 203 210) no Hoare annotation was computed. [2020-07-20 01:00:25,519 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 203 210) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= 1 |old(~systemActive~0)|))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-20 01:00:25,519 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 203 210) no Hoare annotation was computed. [2020-07-20 01:00:25,520 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 297 308) no Hoare annotation was computed. [2020-07-20 01:00:25,520 INFO L268 CegarLoopResult]: For program point L301-1(lines 297 308) no Hoare annotation was computed. [2020-07-20 01:00:25,520 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 297 308) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2))) [2020-07-20 01:00:25,520 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 01:00:25,520 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 01:00:25,520 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 01:00:25,520 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 01:00:25,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:00:25 BoogieIcfgContainer [2020-07-20 01:00:25,537 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:00:25,539 INFO L168 Benchmark]: Toolchain (without parser) took 25577.31 ms. Allocated memory was 148.9 MB in the beginning and 554.7 MB in the end (delta: 405.8 MB). Free memory was 105.1 MB in the beginning and 430.1 MB in the end (delta: -325.0 MB). Peak memory consumption was 420.4 MB. Max. memory is 7.1 GB. [2020-07-20 01:00:25,539 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 148.9 MB. Free memory is still 124.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 01:00:25,540 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.36 ms. Allocated memory was 148.9 MB in the beginning and 205.0 MB in the end (delta: 56.1 MB). Free memory was 104.7 MB in the beginning and 174.7 MB in the end (delta: -70.0 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2020-07-20 01:00:25,541 INFO L168 Benchmark]: Boogie Preprocessor took 108.93 ms. Allocated memory is still 205.0 MB. Free memory was 174.7 MB in the beginning and 170.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-07-20 01:00:25,542 INFO L168 Benchmark]: RCFGBuilder took 1083.25 ms. Allocated memory was 205.0 MB in the beginning and 231.2 MB in the end (delta: 26.2 MB). Free memory was 170.1 MB in the beginning and 193.1 MB in the end (delta: -22.9 MB). Peak memory consumption was 77.5 MB. Max. memory is 7.1 GB. [2020-07-20 01:00:25,543 INFO L168 Benchmark]: TraceAbstraction took 23760.23 ms. Allocated memory was 231.2 MB in the beginning and 554.7 MB in the end (delta: 323.5 MB). Free memory was 193.1 MB in the beginning and 430.1 MB in the end (delta: -237.1 MB). Peak memory consumption was 426.0 MB. Max. memory is 7.1 GB. [2020-07-20 01:00:25,546 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 148.9 MB. Free memory is still 124.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 619.36 ms. Allocated memory was 148.9 MB in the beginning and 205.0 MB in the end (delta: 56.1 MB). Free memory was 104.7 MB in the beginning and 174.7 MB in the end (delta: -70.0 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.93 ms. Allocated memory is still 205.0 MB. Free memory was 174.7 MB in the beginning and 170.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1083.25 ms. Allocated memory was 205.0 MB in the beginning and 231.2 MB in the end (delta: 26.2 MB). Free memory was 170.1 MB in the beginning and 193.1 MB in the end (delta: -22.9 MB). Peak memory consumption was 77.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23760.23 ms. Allocated memory was 231.2 MB in the beginning and 554.7 MB in the end (delta: 323.5 MB). Free memory was 193.1 MB in the beginning and 430.1 MB in the end (delta: -237.1 MB). Peak memory consumption was 426.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 766]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && 1 == waterLevel) && 1 == systemActive) || !(1 == \old(systemActive))) || ((2 <= waterLevel && 0 == splverifierCounter) && 1 == systemActive)) || !(0 == pumpRunning)) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.5s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 10.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 434 SDtfs, 738 SDslu, 333 SDs, 0 SdLazy, 1597 SolverSat, 486 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 257 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred in iteration=4, 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, 6 MinimizatonAttempts, 103 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 199 PreInvPairs, 222 NumberOfFragments, 858 HoareAnnotationTreeSize, 199 FomulaSimplifications, 34006 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 42 FomulaSimplificationsInter, 9020 FormulaSimplificationTreeSizeReductionInter, 7.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 439 NumberOfCodeBlocks, 439 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 432 ConstructedInterpolants, 0 QuantifiedInterpolants, 121005 SizeOfPredicates, 3 NumberOfNonLiveVariables, 730 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 45/54 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...