java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 12:46:54,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 12:46:54,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 12:46:54,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 12:46:54,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 12:46:54,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 12:46:54,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 12:46:54,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 12:46:54,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 12:46:54,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 12:46:54,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 12:46:54,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 12:46:54,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 12:46:54,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 12:46:54,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 12:46:54,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 12:46:54,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 12:46:54,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 12:46:54,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 12:46:54,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 12:46:54,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 12:46:54,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 12:46:54,710 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 12:46:54,711 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 12:46:54,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 12:46:54,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 12:46:54,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 12:46:54,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 12:46:54,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 12:46:54,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 12:46:54,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 12:46:54,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 12:46:54,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 12:46:54,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 12:46:54,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 12:46:54,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 12:46:54,721 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 12:46:54,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 12:46:54,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 12:46:54,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 12:46:54,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 12:46:54,724 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 [2019-10-04 12:46:54,739 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 12:46:54,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 12:46:54,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 12:46:54,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 12:46:54,741 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 12:46:54,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 12:46:54,742 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 12:46:54,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 12:46:54,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 12:46:54,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 12:46:54,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 12:46:54,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 12:46:54,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 12:46:54,743 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 12:46:54,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 12:46:54,744 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 12:46:54,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 12:46:54,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 12:46:54,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 12:46:54,745 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 12:46:54,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 12:46:54,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 12:46:54,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 12:46:54,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 12:46:54,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 12:46:54,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 12:46:54,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 12:46:54,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 12:46:54,746 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-04 12:46:54,801 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 12:46:54,814 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 12:46:54,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 12:46:54,820 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 12:46:54,820 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 12:46:54,821 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2019-10-04 12:46:54,884 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d6b0ad9d/d53096ab528d4b5cabefde6c564c2883/FLAGc1fe34c15 [2019-10-04 12:46:55,425 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 12:46:55,425 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product41.cil.c [2019-10-04 12:46:55,452 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d6b0ad9d/d53096ab528d4b5cabefde6c564c2883/FLAGc1fe34c15 [2019-10-04 12:46:55,708 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d6b0ad9d/d53096ab528d4b5cabefde6c564c2883 [2019-10-04 12:46:55,720 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 12:46:55,722 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 12:46:55,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 12:46:55,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 12:46:55,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 12:46:55,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 12:46:55" (1/1) ... [2019-10-04 12:46:55,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@702bca65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:46:55, skipping insertion in model container [2019-10-04 12:46:55,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 12:46:55" (1/1) ... [2019-10-04 12:46:55,742 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 12:46:55,808 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 12:46:56,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 12:46:56,257 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 12:46:56,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 12:46:56,457 INFO L192 MainTranslator]: Completed translation [2019-10-04 12:46:56,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:46:56 WrapperNode [2019-10-04 12:46:56,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 12:46:56,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 12:46:56,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 12:46:56,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 12:46:56,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:46:56" (1/1) ... [2019-10-04 12:46:56,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:46:56" (1/1) ... [2019-10-04 12:46:56,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:46:56" (1/1) ... [2019-10-04 12:46:56,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:46:56" (1/1) ... [2019-10-04 12:46:56,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:46:56" (1/1) ... [2019-10-04 12:46:56,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:46:56" (1/1) ... [2019-10-04 12:46:56,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:46:56" (1/1) ... [2019-10-04 12:46:56,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 12:46:56,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 12:46:56,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 12:46:56,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 12:46:56,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:46:56" (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 [2019-10-04 12:46:56,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 12:46:56,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 12:46:56,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-04 12:46:56,635 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-04 12:46:56,635 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-04 12:46:56,636 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-04 12:46:56,636 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-04 12:46:56,636 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-04 12:46:56,636 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-04 12:46:56,636 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-04 12:46:56,637 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-04 12:46:56,637 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-04 12:46:56,637 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-04 12:46:56,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-04 12:46:56,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-04 12:46:56,637 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-04 12:46:56,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-04 12:46:56,638 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-04 12:46:56,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-04 12:46:56,638 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-04 12:46:56,638 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-04 12:46:56,638 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-04 12:46:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-04 12:46:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-04 12:46:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-04 12:46:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-04 12:46:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-04 12:46:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-04 12:46:56,640 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-04 12:46:56,640 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-04 12:46:56,640 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 12:46:56,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-04 12:46:56,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-04 12:46:56,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-04 12:46:56,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-04 12:46:56,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-04 12:46:56,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-04 12:46:56,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-04 12:46:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 12:46:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 12:46:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-04 12:46:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-04 12:46:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-04 12:46:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-04 12:46:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-04 12:46:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-04 12:46:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-04 12:46:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-04 12:46:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-04 12:46:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-04 12:46:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-04 12:46:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-04 12:46:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-04 12:46:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-04 12:46:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-04 12:46:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-04 12:46:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-04 12:46:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-04 12:46:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-04 12:46:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-04 12:46:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-04 12:46:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-04 12:46:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-04 12:46:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-04 12:46:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-04 12:46:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-04 12:46:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-04 12:46:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-04 12:46:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-04 12:46:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-04 12:46:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 12:46:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-04 12:46:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-04 12:46:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-04 12:46:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-04 12:46:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-04 12:46:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-04 12:46:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-04 12:46:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-04 12:46:56,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-04 12:46:56,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-04 12:46:56,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-04 12:46:56,648 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-04 12:46:56,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-04 12:46:56,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-04 12:46:56,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-04 12:46:56,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-04 12:46:56,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 12:46:56,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-04 12:46:56,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 12:46:58,311 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 12:46:58,311 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-04 12:46:58,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:46:58 BoogieIcfgContainer [2019-10-04 12:46:58,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 12:46:58,313 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 12:46:58,314 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 12:46:58,314 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 12:46:58,315 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:46:58" (1/1) ... [2019-10-04 12:46:58,316 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-04 12:46:58,349 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 12:46:58,353 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 12:46:58,366 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 12:46:58,378 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 12:46:58,380 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 12:47:07,843 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-04 12:47:09,667 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-04 12:47:09,864 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-04 12:47:10,012 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-04 12:47:10,134 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-04 12:47:10,400 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-04 12:47:10,443 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 544 for LOIs [2019-10-04 12:47:10,499 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 542 for LOIs [2019-10-04 12:47:10,506 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 540 for LOIs [2019-10-04 12:47:10,752 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-04 12:47:10,920 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-04 12:47:11,569 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-04 12:47:11,808 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-04 12:47:12,297 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-04 12:47:12,520 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 175 [2019-10-04 12:47:12,811 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 599 [2019-10-04 12:47:13,552 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 174 [2019-10-04 12:47:14,270 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-04 12:47:14,273 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 136 for LOIs [2019-10-04 12:47:14,664 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification3_spec__1 with input of size 130 for LOIs [2019-10-04 12:47:14,690 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 144 for LOIs [2019-10-04 12:47:14,768 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 12:47:14,769 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 12:47:14,772 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 507#(and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (= |#t~string61.offset| 0) (<= 0 |#t~string35.offset|) (<= ~waterLevel~0 2) (= |#t~string7.offset| 0) (<= 0 |#NULL.base|) (= |#t~string15.offset| 0) (<= |#t~string67.offset| 0) (= |#t~string35.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (= |#t~string9.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (= |#t~string71.offset| 0) (<= |#t~string57.offset| 0) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (= |#t~string13.offset| 0) (<= |#t~string13.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= |#t~string11.offset| 0) (<= 0 |#t~string61.offset|) (= |#t~string29.offset| 0) (<= |#t~string66.offset| 0) (<= 0 |#t~string9.offset|) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#t~string15.offset|) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 0) (<= 0 ~pumpRunning~0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string33.offset| 0) (<= |#NULL.base| 0) (= 2 ~waterLevel~0) (<= 1 ~systemActive~0) (<= 0 |#t~string71.offset|) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (<= |#t~string68.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (= ~pumpRunning~0 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#t~string70.offset|) (<= 0 |#t~string17.offset|) (<= |#t~string31.offset| 0) (<= ~waterLevel~0 2147483647) (<= 0 |#t~string11.offset|) (<= |#t~string70.offset| 0) (<= 0 |#t~string59.offset|) (= 0 ~methaneLevelCritical~0) (<= 0 |#t~string69.offset|) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string9.offset| 0) (= ~head~0.offset 0) (<= |#t~string71.offset| 0) (<= |#t~string35.offset| 0) (= |#t~string11.offset| 0) (= |#t~string5.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= 2 ~waterLevel~0) (<= 0 |#t~string7.offset|) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (= ~systemActive~0 1) (= |#t~string58.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string37.offset| 0) (= |#t~string19.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string29.offset|) (<= 0 |#t~string13.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string62.offset| 0) (<= |#t~string5.offset| 0) (<= 0 |#t~string37.offset|) (<= 0 |#t~string66.offset|) (<= 0 |#t~string31.offset|) (= |#t~string60.offset| 0) (= |#t~string37.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (= |#t~string17.offset| 0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string68.offset|)) [2019-10-04 12:47:14,788 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 12:47:14,789 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 12:47:14,791 INFO L168 Benchmark]: Toolchain (without parser) took 19069.28 ms. Allocated memory was 140.5 MB in the beginning and 470.3 MB in the end (delta: 329.8 MB). Free memory was 86.4 MB in the beginning and 303.7 MB in the end (delta: -217.3 MB). Peak memory consumption was 112.5 MB. Max. memory is 7.1 GB. [2019-10-04 12:47:14,793 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-04 12:47:14,795 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.47 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 86.2 MB in the beginning and 167.0 MB in the end (delta: -80.8 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2019-10-04 12:47:14,806 INFO L168 Benchmark]: Boogie Preprocessor took 103.13 ms. Allocated memory is still 200.8 MB. Free memory was 167.0 MB in the beginning and 162.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-04 12:47:14,807 INFO L168 Benchmark]: RCFGBuilder took 1750.95 ms. Allocated memory was 200.8 MB in the beginning and 226.5 MB in the end (delta: 25.7 MB). Free memory was 162.8 MB in the beginning and 146.7 MB in the end (delta: 16.0 MB). Peak memory consumption was 89.8 MB. Max. memory is 7.1 GB. [2019-10-04 12:47:14,808 INFO L168 Benchmark]: Sifa took 16475.54 ms. Allocated memory was 226.5 MB in the beginning and 470.3 MB in the end (delta: 243.8 MB). Free memory was 146.7 MB in the beginning and 303.7 MB in the end (delta: -157.0 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. [2019-10-04 12:47:14,818 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 735.47 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 86.2 MB in the beginning and 167.0 MB in the end (delta: -80.8 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.13 ms. Allocated memory is still 200.8 MB. Free memory was 167.0 MB in the beginning and 162.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1750.95 ms. Allocated memory was 200.8 MB in the beginning and 226.5 MB in the end (delta: 25.7 MB). Free memory was 162.8 MB in the beginning and 146.7 MB in the end (delta: 16.0 MB). Peak memory consumption was 89.8 MB. Max. memory is 7.1 GB. * Sifa took 16475.54 ms. Allocated memory was 226.5 MB in the beginning and 470.3 MB in the end (delta: 243.8 MB). Free memory was 146.7 MB in the beginning and 303.7 MB in the end (delta: -157.0 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 16423, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 176, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 115, TOOLS_POST_TIME[ms]: 11458, TOOLS_POST_CALL_APPLICATIONS: 52, TOOLS_POST_CALL_TIME[ms]: 162, TOOLS_POST_RETURN_APPLICATIONS: 45, TOOLS_POST_RETURN_TIME[ms]: 70, TOOLS_QUANTIFIERELIM_APPLICATIONS: 211, TOOLS_QUANTIFIERELIM_TIME[ms]: 11593, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11393, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 178, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 54, DOMAIN_JOIN_TIME[ms]: 4134, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 338, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 30, DOMAIN_ISBOTTOM_TIME[ms]: 87, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2626, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2625, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 45, CALL_SUMMARIZER_CACHE_MISSES: 23, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12183, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12182, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 358, DAG_COMPRESSION_RETAINED_NODES: 195 - UnprovableResult [Line: 922]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 507#(and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (= |#t~string61.offset| 0) (<= 0 |#t~string35.offset|) (<= ~waterLevel~0 2) (= |#t~string7.offset| 0) (<= 0 |#NULL.base|) (= |#t~string15.offset| 0) (<= |#t~string67.offset| 0) (= |#t~string35.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (= |#t~string9.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (= |#t~string71.offset| 0) (<= |#t~string57.offset| 0) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (= |#t~string13.offset| 0) (<= |#t~string13.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= |#t~string11.offset| 0) (<= 0 |#t~string61.offset|) (= |#t~string29.offset| 0) (<= |#t~string66.offset| 0) (<= 0 |#t~string9.offset|) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#t~string15.offset|) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 0) (<= 0 ~pumpRunning~0) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string33.offset| 0) (<= |#NULL.base| 0) (= 2 ~waterLevel~0) (<= 1 ~systemActive~0) (<= 0 |#t~string71.offset|) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (<= |#t~string68.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (= ~pumpRunning~0 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#t~string70.offset|) (<= 0 |#t~string17.offset|) (<= |#t~string31.offset| 0) (<= ~waterLevel~0 2147483647) (<= 0 |#t~string11.offset|) (<= |#t~string70.offset| 0) (<= 0 |#t~string59.offset|) (= 0 ~methaneLevelCritical~0) (<= 0 |#t~string69.offset|) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string9.offset| 0) (= ~head~0.offset 0) (<= |#t~string71.offset| 0) (<= |#t~string35.offset| 0) (= |#t~string11.offset| 0) (= |#t~string5.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= 2 ~waterLevel~0) (<= 0 |#t~string7.offset|) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (= ~systemActive~0 1) (= |#t~string58.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string37.offset| 0) (= |#t~string19.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string29.offset|) (<= 0 |#t~string13.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string62.offset| 0) (<= |#t~string5.offset| 0) (<= 0 |#t~string37.offset|) (<= 0 |#t~string66.offset|) (<= 0 |#t~string31.offset|) (= |#t~string60.offset| 0) (= |#t~string37.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (= |#t~string17.offset| 0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string68.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...