/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:40:07,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:40:07,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:40:07,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:40:07,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:40:07,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:40:07,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:40:07,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:40:07,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:40:07,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:40:07,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:40:07,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:40:07,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:40:07,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:40:07,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:40:07,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:40:07,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:40:07,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:40:07,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:40:07,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:40:07,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:40:07,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:40:07,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:40:07,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:40:07,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:40:07,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:40:07,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:40:07,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:40:07,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:40:07,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:40:07,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:40:07,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:40:07,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:40:07,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:40:07,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:40:07,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:40:07,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:40:07,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:40:07,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:40:07,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:40:07,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:40:07,617 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 10:40:07,652 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:40:07,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:40:07,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:40:07,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:40:07,655 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:40:07,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:40:07,659 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:40:07,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:40:07,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:40:07,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:40:07,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:40:07,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:40:07,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:40:07,661 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:40:07,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:40:07,661 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:40:07,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:40:07,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:40:07,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:40:07,662 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:40:07,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:40:07,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:40:07,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:40:07,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:40:07,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:40:07,663 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:40:07,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:07,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:40:07,665 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:40:07,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 10:40:07,955 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:40:07,974 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:40:07,978 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:40:07,979 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:40:07,982 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:40:07,983 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product03.cil.c [2020-07-20 10:40:08,060 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62027959c/090bb9b1963043d6a2601f537a5b1b62/FLAG09592c6b3 [2020-07-20 10:40:08,582 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:40:08,583 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product03.cil.c [2020-07-20 10:40:08,601 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62027959c/090bb9b1963043d6a2601f537a5b1b62/FLAG09592c6b3 [2020-07-20 10:40:08,910 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62027959c/090bb9b1963043d6a2601f537a5b1b62 [2020-07-20 10:40:08,919 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:40:08,922 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:40:08,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:40:08,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:40:08,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:40:08,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:40:08" (1/1) ... [2020-07-20 10:40:08,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@550e9810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:08, skipping insertion in model container [2020-07-20 10:40:08,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:40:08" (1/1) ... [2020-07-20 10:40:08,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:40:09,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:40:09,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:40:09,435 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:40:09,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:40:09,560 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:40:09,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:09 WrapperNode [2020-07-20 10:40:09,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:40:09,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:40:09,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:40:09,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:40:09,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:09" (1/1) ... [2020-07-20 10:40:09,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:09" (1/1) ... [2020-07-20 10:40:09,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:09" (1/1) ... [2020-07-20 10:40:09,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:09" (1/1) ... [2020-07-20 10:40:09,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:09" (1/1) ... [2020-07-20 10:40:09,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:09" (1/1) ... [2020-07-20 10:40:09,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:09" (1/1) ... [2020-07-20 10:40:09,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:40:09,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:40:09,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:40:09,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:40:09,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:09" (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 10:40:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:40:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:40:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:40:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:40:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:40:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:40:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:40:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:40:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:40:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:40:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:40:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:40:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:40:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:40:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:40:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 10:40:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:40:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:40:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:40:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:40:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:40:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:40:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:40:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:40:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:40:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:40:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:40:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:40:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-20 10:40:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:40:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:40:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:40:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:40:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:40:09,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:40:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:40:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:40:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:40:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:40:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:40:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 10:40:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:40:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:40:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:40:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:40:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:40:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:40:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:40:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:40:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:40:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:40:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:40:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:40:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:40:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:40:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-20 10:40:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:40:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:40:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:40:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:40:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:40:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:40:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:40:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:40:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:40:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:40:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:40:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:40:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:40:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:40:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:40:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:40:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:40:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:40:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:40:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:40:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:40:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:40:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:40:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:40:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:40:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:40:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:40:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:40:10,880 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:40:10,880 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:40:10,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:40:10 BoogieIcfgContainer [2020-07-20 10:40:10,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:40:10,890 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:40:10,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:40:10,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:40:10,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:40:08" (1/3) ... [2020-07-20 10:40:10,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22edf83b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:40:10, skipping insertion in model container [2020-07-20 10:40:10,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:09" (2/3) ... [2020-07-20 10:40:10,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22edf83b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:40:10, skipping insertion in model container [2020-07-20 10:40:10,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:40:10" (3/3) ... [2020-07-20 10:40:10,899 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product03.cil.c [2020-07-20 10:40:10,911 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:40:10,921 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:40:10,936 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:40:10,966 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:40:10,967 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:40:10,967 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:40:10,967 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:40:10,967 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:40:10,967 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:40:10,968 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:40:10,968 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:40:10,990 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2020-07-20 10:40:10,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 10:40:10,999 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:40:11,000 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 10:40:11,001 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:40:11,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:40:11,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1488417234, now seen corresponding path program 1 times [2020-07-20 10:40:11,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:40:11,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1698595976] [2020-07-20 10:40:11,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:40:11,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:40:11,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:40:11,307 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 10:40:11,307 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:40:11,309 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1698595976] [2020-07-20 10:40:11,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:40:11,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:40:11,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877653648] [2020-07-20 10:40:11,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:40:11,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:40:11,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:40:11,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:40:11,336 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 2 states. [2020-07-20 10:40:11,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:40:11,375 INFO L93 Difference]: Finished difference Result 180 states and 225 transitions. [2020-07-20 10:40:11,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:40:11,377 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 10:40:11,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:40:11,388 INFO L225 Difference]: With dead ends: 180 [2020-07-20 10:40:11,389 INFO L226 Difference]: Without dead ends: 90 [2020-07-20 10:40:11,393 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:40:11,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-07-20 10:40:11,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2020-07-20 10:40:11,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-07-20 10:40:11,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2020-07-20 10:40:11,444 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 46 [2020-07-20 10:40:11,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:40:11,445 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2020-07-20 10:40:11,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:40:11,445 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2020-07-20 10:40:11,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 10:40:11,449 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:40:11,449 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 10:40:11,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:11,662 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:40:11,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:40:11,663 INFO L82 PathProgramCache]: Analyzing trace with hash 2143810688, now seen corresponding path program 1 times [2020-07-20 10:40:11,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:40:11,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [578037431] [2020-07-20 10:40:11,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:40:11,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:40:11,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:40:11,960 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 10:40:11,960 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:40:11,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [578037431] [2020-07-20 10:40:11,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:40:11,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:40:11,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089060544] [2020-07-20 10:40:11,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:40:11,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:40:11,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:40:11,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:40:11,969 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 3 states. [2020-07-20 10:40:11,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:40:11,986 INFO L93 Difference]: Finished difference Result 120 states and 137 transitions. [2020-07-20 10:40:11,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:40:11,986 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 10:40:11,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:40:11,988 INFO L225 Difference]: With dead ends: 120 [2020-07-20 10:40:11,988 INFO L226 Difference]: Without dead ends: 81 [2020-07-20 10:40:11,990 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:40:11,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-07-20 10:40:11,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-07-20 10:40:11,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-07-20 10:40:12,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2020-07-20 10:40:12,001 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 47 [2020-07-20 10:40:12,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:40:12,001 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2020-07-20 10:40:12,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:40:12,002 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2020-07-20 10:40:12,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 10:40:12,003 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:40:12,004 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:40:12,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:12,217 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:40:12,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:40:12,218 INFO L82 PathProgramCache]: Analyzing trace with hash -410922651, now seen corresponding path program 1 times [2020-07-20 10:40:12,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:40:12,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1965768541] [2020-07-20 10:40:12,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:40:12,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:40:12,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:40:12,419 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 10:40:12,420 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:40:12,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1965768541] [2020-07-20 10:40:12,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:40:12,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:40:12,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049603662] [2020-07-20 10:40:12,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:40:12,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:40:12,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:40:12,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:40:12,423 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 3 states. [2020-07-20 10:40:12,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:40:12,452 INFO L93 Difference]: Finished difference Result 193 states and 228 transitions. [2020-07-20 10:40:12,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:40:12,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-20 10:40:12,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:40:12,457 INFO L225 Difference]: With dead ends: 193 [2020-07-20 10:40:12,458 INFO L226 Difference]: Without dead ends: 136 [2020-07-20 10:40:12,459 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:40:12,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-07-20 10:40:12,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 126. [2020-07-20 10:40:12,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-07-20 10:40:12,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2020-07-20 10:40:12,479 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 51 [2020-07-20 10:40:12,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:40:12,480 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2020-07-20 10:40:12,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:40:12,480 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2020-07-20 10:40:12,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-20 10:40:12,482 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:40:12,483 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] [2020-07-20 10:40:12,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:12,698 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:40:12,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:40:12,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1230938851, now seen corresponding path program 1 times [2020-07-20 10:40:12,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:40:12,699 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [320044792] [2020-07-20 10:40:12,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:40:12,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:40:12,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:40:12,921 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 10:40:12,921 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:40:12,922 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [320044792] [2020-07-20 10:40:12,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:40:12,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:40:12,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057326278] [2020-07-20 10:40:12,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:40:12,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:40:12,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:40:12,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:40:12,924 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 6 states. [2020-07-20 10:40:13,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:40:13,122 INFO L93 Difference]: Finished difference Result 217 states and 261 transitions. [2020-07-20 10:40:13,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:40:13,124 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2020-07-20 10:40:13,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:40:13,125 INFO L225 Difference]: With dead ends: 217 [2020-07-20 10:40:13,125 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:40:13,129 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:40:13,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:40:13,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:40:13,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:40:13,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:40:13,130 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-07-20 10:40:13,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:40:13,131 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:40:13,131 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:40:13,131 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:40:13,134 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:40:13,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:13,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:40:13,778 INFO L268 CegarLoopResult]: For program point L575(lines 575 579) no Hoare annotation was computed. [2020-07-20 10:40:13,779 INFO L268 CegarLoopResult]: For program point L575-1(lines 575 579) no Hoare annotation was computed. [2020-07-20 10:40:13,779 INFO L268 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-07-20 10:40:13,779 INFO L268 CegarLoopResult]: For program point L569-2(lines 569 590) no Hoare annotation was computed. [2020-07-20 10:40:13,779 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 544 599) no Hoare annotation was computed. [2020-07-20 10:40:13,779 INFO L268 CegarLoopResult]: For program point L591(lines 568 592) no Hoare annotation was computed. [2020-07-20 10:40:13,779 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 544 599) no Hoare annotation was computed. [2020-07-20 10:40:13,779 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 544 599) no Hoare annotation was computed. [2020-07-20 10:40:13,779 INFO L268 CegarLoopResult]: For program point L632(lines 632 636) no Hoare annotation was computed. [2020-07-20 10:40:13,780 INFO L268 CegarLoopResult]: For program point L632-1(lines 632 636) no Hoare annotation was computed. [2020-07-20 10:40:13,780 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 600 659) no Hoare annotation was computed. [2020-07-20 10:40:13,780 INFO L268 CegarLoopResult]: For program point L627(line 627) no Hoare annotation was computed. [2020-07-20 10:40:13,780 INFO L268 CegarLoopResult]: For program point L626-2(lines 626 651) no Hoare annotation was computed. [2020-07-20 10:40:13,780 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 600 659) no Hoare annotation was computed. [2020-07-20 10:40:13,780 INFO L268 CegarLoopResult]: For program point L652(lines 625 653) no Hoare annotation was computed. [2020-07-20 10:40:13,780 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 600 659) no Hoare annotation was computed. [2020-07-20 10:40:13,780 INFO L268 CegarLoopResult]: For program point L645(line 645) no Hoare annotation was computed. [2020-07-20 10:40:13,781 INFO L268 CegarLoopResult]: For program point L645-1(line 645) no Hoare annotation was computed. [2020-07-20 10:40:13,781 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 133 139) the Hoare annotation is: true [2020-07-20 10:40:13,781 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 133 139) no Hoare annotation was computed. [2020-07-20 10:40:13,781 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 140 148) no Hoare annotation was computed. [2020-07-20 10:40:13,781 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 140 148) the Hoare annotation is: true [2020-07-20 10:40:13,781 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 140 148) no Hoare annotation was computed. [2020-07-20 10:40:13,782 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 433 455) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:13,782 INFO L264 CegarLoopResult]: At program point L445(line 445) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:13,782 INFO L264 CegarLoopResult]: At program point L445-1(line 445) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:13,782 INFO L268 CegarLoopResult]: For program point L443(lines 443 450) no Hoare annotation was computed. [2020-07-20 10:40:13,782 INFO L268 CegarLoopResult]: For program point L443-1(lines 443 450) no Hoare annotation was computed. [2020-07-20 10:40:13,782 INFO L268 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-07-20 10:40:13,783 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 433 455) no Hoare annotation was computed. [2020-07-20 10:40:13,783 INFO L264 CegarLoopResult]: At program point L440(line 440) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:13,783 INFO L264 CegarLoopResult]: At program point L439(line 439) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:13,783 INFO L264 CegarLoopResult]: At program point L439-1(line 439) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:13,783 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 433 455) no Hoare annotation was computed. [2020-07-20 10:40:13,783 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 392 415) no Hoare annotation was computed. [2020-07-20 10:40:13,783 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 392 415) no Hoare annotation was computed. [2020-07-20 10:40:13,784 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 392 415) no Hoare annotation was computed. [2020-07-20 10:40:13,784 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-20 10:40:13,784 INFO L268 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-07-20 10:40:13,784 INFO L268 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-07-20 10:40:13,784 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-20 10:40:13,784 INFO L268 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-07-20 10:40:13,784 INFO L268 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2020-07-20 10:40:13,784 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-20 10:40:13,785 INFO L268 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-07-20 10:40:13,785 INFO L268 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-07-20 10:40:13,785 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-20 10:40:13,785 INFO L268 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-07-20 10:40:13,785 INFO L268 CegarLoopResult]: For program point L399(line 399) no Hoare annotation was computed. [2020-07-20 10:40:13,785 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-20 10:40:13,785 INFO L268 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-07-20 10:40:13,785 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 264 278) no Hoare annotation was computed. [2020-07-20 10:40:13,786 INFO L264 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-20 10:40:13,786 INFO L268 CegarLoopResult]: For program point L268(lines 268 274) no Hoare annotation was computed. [2020-07-20 10:40:13,786 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 264 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 10:40:13,786 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 264 278) no Hoare annotation was computed. [2020-07-20 10:40:13,786 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 219 227) no Hoare annotation was computed. [2020-07-20 10:40:13,786 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 219 227) the Hoare annotation is: true [2020-07-20 10:40:13,786 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 219 227) no Hoare annotation was computed. [2020-07-20 10:40:13,786 INFO L268 CegarLoopResult]: For program point L258-1(line 258) no Hoare annotation was computed. [2020-07-20 10:40:13,787 INFO L268 CegarLoopResult]: For program point L247(lines 247 255) no Hoare annotation was computed. [2020-07-20 10:40:13,787 INFO L268 CegarLoopResult]: For program point L247-2(lines 247 255) no Hoare annotation was computed. [2020-07-20 10:40:13,787 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 228 263) no Hoare annotation was computed. [2020-07-20 10:40:13,787 INFO L268 CegarLoopResult]: For program point L235(lines 235 243) no Hoare annotation was computed. [2020-07-20 10:40:13,787 INFO L268 CegarLoopResult]: For program point L235-2(lines 235 243) no Hoare annotation was computed. [2020-07-20 10:40:13,787 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 228 263) no Hoare annotation was computed. [2020-07-20 10:40:13,787 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 228 263) no Hoare annotation was computed. [2020-07-20 10:40:13,788 INFO L268 CegarLoopResult]: For program point L258(line 258) no Hoare annotation was computed. [2020-07-20 10:40:13,788 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 126 132) no Hoare annotation was computed. [2020-07-20 10:40:13,788 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 126 132) the Hoare annotation is: true [2020-07-20 10:40:13,788 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 498 543) no Hoare annotation was computed. [2020-07-20 10:40:13,788 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 498 543) no Hoare annotation was computed. [2020-07-20 10:40:13,788 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 498 543) no Hoare annotation was computed. [2020-07-20 10:40:13,788 INFO L268 CegarLoopResult]: For program point L831(lines 831 838) no Hoare annotation was computed. [2020-07-20 10:40:13,788 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 811 856) no Hoare annotation was computed. [2020-07-20 10:40:13,788 INFO L268 CegarLoopResult]: For program point L825(lines 825 845) no Hoare annotation was computed. [2020-07-20 10:40:13,789 INFO L268 CegarLoopResult]: For program point L825-1(lines 825 845) no Hoare annotation was computed. [2020-07-20 10:40:13,789 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 811 856) no Hoare annotation was computed. [2020-07-20 10:40:13,789 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 811 856) no Hoare annotation was computed. [2020-07-20 10:40:13,789 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 423 432) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:13,789 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 423 432) no Hoare annotation was computed. [2020-07-20 10:40:13,789 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 423 432) no Hoare annotation was computed. [2020-07-20 10:40:13,789 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 208 218) no Hoare annotation was computed. [2020-07-20 10:40:13,790 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 208 218) no Hoare annotation was computed. [2020-07-20 10:40:13,790 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 208 218) no Hoare annotation was computed. [2020-07-20 10:40:13,790 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-07-20 10:40:13,790 INFO L268 CegarLoopResult]: For program point L213-1(line 213) no Hoare annotation was computed. [2020-07-20 10:40:13,790 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 200 207) the Hoare annotation is: true [2020-07-20 10:40:13,790 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 200 207) no Hoare annotation was computed. [2020-07-20 10:40:13,790 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 200 207) no Hoare annotation was computed. [2020-07-20 10:40:13,790 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 185 191) no Hoare annotation was computed. [2020-07-20 10:40:13,790 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 185 191) the Hoare annotation is: true [2020-07-20 10:40:13,791 INFO L264 CegarLoopResult]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:13,791 INFO L264 CegarLoopResult]: At program point L93(line 93) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:13,791 INFO L268 CegarLoopResult]: For program point L91(lines 91 97) no Hoare annotation was computed. [2020-07-20 10:40:13,791 INFO L264 CegarLoopResult]: At program point L91-1(lines 85 98) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:13,791 INFO L268 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2020-07-20 10:40:13,791 INFO L268 CegarLoopResult]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2020-07-20 10:40:13,791 INFO L268 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2020-07-20 10:40:13,792 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:13,792 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-20 10:40:13,792 INFO L268 CegarLoopResult]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2020-07-20 10:40:13,792 INFO L264 CegarLoopResult]: At program point L100(lines 55 102) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:13,792 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:13,792 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-07-20 10:40:13,792 INFO L268 CegarLoopResult]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2020-07-20 10:40:13,793 INFO L268 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2020-07-20 10:40:13,793 INFO L264 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:40:13,793 INFO L268 CegarLoopResult]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2020-07-20 10:40:13,793 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 765 810) no Hoare annotation was computed. [2020-07-20 10:40:13,793 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 765 810) no Hoare annotation was computed. [2020-07-20 10:40:13,793 INFO L268 CegarLoopResult]: For program point L785(lines 785 792) no Hoare annotation was computed. [2020-07-20 10:40:13,793 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 765 810) no Hoare annotation was computed. [2020-07-20 10:40:13,793 INFO L268 CegarLoopResult]: For program point L779(lines 779 799) no Hoare annotation was computed. [2020-07-20 10:40:13,794 INFO L268 CegarLoopResult]: For program point L779-1(lines 779 799) no Hoare annotation was computed. [2020-07-20 10:40:13,794 INFO L268 CegarLoopResult]: For program point L336(lines 336 344) no Hoare annotation was computed. [2020-07-20 10:40:13,794 INFO L268 CegarLoopResult]: For program point L336-2(lines 336 344) no Hoare annotation was computed. [2020-07-20 10:40:13,794 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 328 350) no Hoare annotation was computed. [2020-07-20 10:40:13,794 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 328 350) no Hoare annotation was computed. [2020-07-20 10:40:13,794 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 328 350) no Hoare annotation was computed. [2020-07-20 10:40:13,794 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 116 125) no Hoare annotation was computed. [2020-07-20 10:40:13,795 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 116 125) no Hoare annotation was computed. [2020-07-20 10:40:13,795 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 116 125) no Hoare annotation was computed. [2020-07-20 10:40:13,795 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 662 764) no Hoare annotation was computed. [2020-07-20 10:40:13,795 INFO L268 CegarLoopResult]: For program point L727(line 727) no Hoare annotation was computed. [2020-07-20 10:40:13,795 INFO L268 CegarLoopResult]: For program point L727-1(line 727) no Hoare annotation was computed. [2020-07-20 10:40:13,795 INFO L268 CegarLoopResult]: For program point L686(lines 686 690) no Hoare annotation was computed. [2020-07-20 10:40:13,795 INFO L268 CegarLoopResult]: For program point L750(lines 750 761) no Hoare annotation was computed. [2020-07-20 10:40:13,796 INFO L268 CegarLoopResult]: For program point L713(lines 713 717) no Hoare annotation was computed. [2020-07-20 10:40:13,796 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 662 764) no Hoare annotation was computed. [2020-07-20 10:40:13,796 INFO L268 CegarLoopResult]: For program point L711-2(lines 711 731) no Hoare annotation was computed. [2020-07-20 10:40:13,796 INFO L268 CegarLoopResult]: For program point L732(lines 710 733) no Hoare annotation was computed. [2020-07-20 10:40:13,796 INFO L268 CegarLoopResult]: For program point L691(lines 691 707) no Hoare annotation was computed. [2020-07-20 10:40:13,796 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 662 764) no Hoare annotation was computed. [2020-07-20 10:40:13,796 INFO L268 CegarLoopResult]: For program point L751(lines 751 758) no Hoare annotation was computed. [2020-07-20 10:40:13,796 INFO L268 CegarLoopResult]: For program point L712(lines 711 731) no Hoare annotation was computed. [2020-07-20 10:40:13,797 INFO L268 CegarLoopResult]: For program point L743(line 743) no Hoare annotation was computed. [2020-07-20 10:40:13,797 INFO L268 CegarLoopResult]: For program point L743-1(line 743) no Hoare annotation was computed. [2020-07-20 10:40:13,797 INFO L268 CegarLoopResult]: For program point L708(lines 708 749) no Hoare annotation was computed. [2020-07-20 10:40:13,797 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:40:13,797 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:40:13,797 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:40:13,797 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 192 199) no Hoare annotation was computed. [2020-07-20 10:40:13,797 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 192 199) no Hoare annotation was computed. [2020-07-20 10:40:13,798 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 192 199) no Hoare annotation was computed. [2020-07-20 10:40:13,798 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 351 359) no Hoare annotation was computed. [2020-07-20 10:40:13,798 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 351 359) no Hoare annotation was computed. [2020-07-20 10:40:13,798 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 351 359) no Hoare annotation was computed. [2020-07-20 10:40:13,798 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 307 318) the Hoare annotation is: true [2020-07-20 10:40:13,798 INFO L268 CegarLoopResult]: For program point L311-1(lines 307 318) no Hoare annotation was computed. [2020-07-20 10:40:13,798 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 307 318) no Hoare annotation was computed. [2020-07-20 10:40:13,798 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:40:13,799 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:40:13,799 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:40:13,799 INFO L271 CegarLoopResult]: At program point timeShiftENTRY(lines 161 184) the Hoare annotation is: true [2020-07-20 10:40:13,799 INFO L271 CegarLoopResult]: At program point L174(line 174) the Hoare annotation is: true [2020-07-20 10:40:13,799 INFO L271 CegarLoopResult]: At program point L172(lines 172 178) the Hoare annotation is: true [2020-07-20 10:40:13,799 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 161 184) no Hoare annotation was computed. [2020-07-20 10:40:13,799 INFO L264 CegarLoopResult]: At program point L167(line 167) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2020-07-20 10:40:13,799 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 161 184) no Hoare annotation was computed. [2020-07-20 10:40:13,800 INFO L268 CegarLoopResult]: For program point L165(lines 164 183) no Hoare annotation was computed. [2020-07-20 10:40:13,800 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 362 391) no Hoare annotation was computed. [2020-07-20 10:40:13,800 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-07-20 10:40:13,800 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 362 391) the Hoare annotation is: true [2020-07-20 10:40:13,800 INFO L268 CegarLoopResult]: For program point L376(lines 376 380) no Hoare annotation was computed. [2020-07-20 10:40:13,800 INFO L271 CegarLoopResult]: At program point L376-1(lines 376 380) the Hoare annotation is: true [2020-07-20 10:40:13,800 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-07-20 10:40:13,800 INFO L271 CegarLoopResult]: At program point L372-2(lines 372 386) the Hoare annotation is: true [2020-07-20 10:40:13,801 INFO L271 CegarLoopResult]: At program point L368(line 368) the Hoare annotation is: true [2020-07-20 10:40:13,801 INFO L268 CegarLoopResult]: For program point L368-1(line 368) no Hoare annotation was computed. [2020-07-20 10:40:13,801 INFO L271 CegarLoopResult]: At program point L387(lines 362 391) the Hoare annotation is: true [2020-07-20 10:40:13,801 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 319 327) the Hoare annotation is: true [2020-07-20 10:40:13,801 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 319 327) no Hoare annotation was computed. [2020-07-20 10:40:13,801 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 319 327) no Hoare annotation was computed. [2020-07-20 10:40:13,801 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 283 294) the Hoare annotation is: true [2020-07-20 10:40:13,801 INFO L268 CegarLoopResult]: For program point L287-1(lines 283 294) no Hoare annotation was computed. [2020-07-20 10:40:13,802 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 283 294) no Hoare annotation was computed. [2020-07-20 10:40:13,802 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 416 422) no Hoare annotation was computed. [2020-07-20 10:40:13,802 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 416 422) the Hoare annotation is: true [2020-07-20 10:40:13,802 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:40:13,802 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 10:40:13,802 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:40:13,802 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:40:13,802 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 295 306) no Hoare annotation was computed. [2020-07-20 10:40:13,803 INFO L268 CegarLoopResult]: For program point L299-1(lines 295 306) no Hoare annotation was computed. [2020-07-20 10:40:13,803 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 295 306) the Hoare annotation is: true [2020-07-20 10:40:13,803 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 457 464) no Hoare annotation was computed. [2020-07-20 10:40:13,803 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2020-07-20 10:40:13,803 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 457 464) the Hoare annotation is: true [2020-07-20 10:40:13,804 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 457 464) no Hoare annotation was computed. [2020-07-20 10:40:13,804 INFO L264 CegarLoopResult]: At program point L480(line 480) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2020-07-20 10:40:13,804 INFO L268 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2020-07-20 10:40:13,804 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 466 490) the Hoare annotation is: true [2020-07-20 10:40:13,804 INFO L271 CegarLoopResult]: At program point L476(line 476) the Hoare annotation is: true [2020-07-20 10:40:13,804 INFO L268 CegarLoopResult]: For program point L476-1(line 476) no Hoare annotation was computed. [2020-07-20 10:40:13,804 INFO L268 CegarLoopResult]: For program point L474(lines 474 487) no Hoare annotation was computed. [2020-07-20 10:40:13,804 INFO L268 CegarLoopResult]: For program point L474-1(lines 466 490) no Hoare annotation was computed. [2020-07-20 10:40:13,805 INFO L271 CegarLoopResult]: At program point L472(line 472) the Hoare annotation is: true [2020-07-20 10:40:13,805 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 466 490) no Hoare annotation was computed. [2020-07-20 10:40:13,805 INFO L268 CegarLoopResult]: For program point L472-1(line 472) no Hoare annotation was computed. [2020-07-20 10:40:13,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:40:13 BoogieIcfgContainer [2020-07-20 10:40:13,826 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:40:13,828 INFO L168 Benchmark]: Toolchain (without parser) took 4907.09 ms. Allocated memory was 147.3 MB in the beginning and 245.4 MB in the end (delta: 98.0 MB). Free memory was 102.5 MB in the beginning and 146.4 MB in the end (delta: -44.0 MB). Peak memory consumption was 54.1 MB. Max. memory is 7.1 GB. [2020-07-20 10:40:13,831 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 147.3 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 10:40:13,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 638.50 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 102.1 MB in the beginning and 174.3 MB in the end (delta: -72.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-07-20 10:40:13,837 INFO L168 Benchmark]: Boogie Preprocessor took 113.34 ms. Allocated memory is still 204.5 MB. Free memory was 174.3 MB in the beginning and 170.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2020-07-20 10:40:13,839 INFO L168 Benchmark]: RCFGBuilder took 1212.51 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 169.8 MB in the beginning and 200.7 MB in the end (delta: -30.9 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2020-07-20 10:40:13,840 INFO L168 Benchmark]: TraceAbstraction took 2936.09 ms. Allocated memory was 234.9 MB in the beginning and 245.4 MB in the end (delta: 10.5 MB). Free memory was 200.7 MB in the beginning and 146.4 MB in the end (delta: 54.2 MB). Peak memory consumption was 64.7 MB. Max. memory is 7.1 GB. [2020-07-20 10:40:13,852 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 147.3 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 638.50 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 102.1 MB in the beginning and 174.3 MB in the end (delta: -72.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.34 ms. Allocated memory is still 204.5 MB. Free memory was 174.3 MB in the beginning and 170.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1212.51 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 169.8 MB in the beginning and 200.7 MB in the end (delta: -30.9 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2936.09 ms. Allocated memory was 234.9 MB in the beginning and 245.4 MB in the end (delta: 10.5 MB). Free memory was 200.7 MB in the beginning and 146.4 MB in the end (delta: 54.2 MB). Peak memory consumption was 64.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 461]: 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: 372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter <= 0)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 200 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 383 SDtfs, 128 SDslu, 333 SDs, 0 SdLazy, 53 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 196 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 152 PreInvPairs, 166 NumberOfFragments, 269 HoareAnnotationTreeSize, 152 FomulaSimplifications, 52 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 44 FomulaSimplificationsInter, 344 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 15266 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2589 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...