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_spec4_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 06:58:34,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 06:58:34,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 06:58:34,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 06:58:34,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 06:58:34,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 06:58:34,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 06:58:34,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 06:58:34,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 06:58:34,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 06:58:34,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 06:58:34,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 06:58:34,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 06:58:34,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 06:58:34,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 06:58:34,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 06:58:34,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 06:58:34,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 06:58:34,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 06:58:34,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 06:58:34,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 06:58:34,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 06:58:34,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 06:58:34,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 06:58:34,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 06:58:34,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 06:58:34,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 06:58:34,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 06:58:34,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 06:58:34,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 06:58:34,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 06:58:34,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 06:58:34,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 06:58:34,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 06:58:34,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 06:58:34,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 06:58:34,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 06:58:34,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 06:58:34,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 06:58:34,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 06:58:34,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 06:58:34,555 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 [2019-10-15 06:58:34,578 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 06:58:34,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 06:58:34,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 06:58:34,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 06:58:34,581 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 06:58:34,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 06:58:34,581 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 06:58:34,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 06:58:34,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 06:58:34,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 06:58:34,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 06:58:34,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 06:58:34,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 06:58:34,584 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 06:58:34,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 06:58:34,584 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 06:58:34,584 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 06:58:34,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 06:58:34,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 06:58:34,585 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 06:58:34,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 06:58:34,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:58:34,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 06:58:34,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 06:58:34,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 06:58:34,588 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 06:58:34,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 06:58:34,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 06:58:34,588 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 [2019-10-15 06:58:34,870 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 06:58:34,883 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 06:58:34,887 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 06:58:34,888 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 06:58:34,889 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 06:58:34,889 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2019-10-15 06:58:34,950 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1a55d773/86dd7711daa44085b6ffe12c4ae2d1e6/FLAG4982d2e30 [2019-10-15 06:58:35,503 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 06:58:35,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2019-10-15 06:58:35,534 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1a55d773/86dd7711daa44085b6ffe12c4ae2d1e6/FLAG4982d2e30 [2019-10-15 06:58:35,788 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1a55d773/86dd7711daa44085b6ffe12c4ae2d1e6 [2019-10-15 06:58:35,799 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 06:58:35,800 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 06:58:35,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 06:58:35,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 06:58:35,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 06:58:35,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:58:35" (1/1) ... [2019-10-15 06:58:35,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a87286f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:35, skipping insertion in model container [2019-10-15 06:58:35,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:58:35" (1/1) ... [2019-10-15 06:58:35,818 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 06:58:35,880 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 06:58:36,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:58:36,361 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 06:58:36,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:58:36,478 INFO L192 MainTranslator]: Completed translation [2019-10-15 06:58:36,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:36 WrapperNode [2019-10-15 06:58:36,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 06:58:36,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 06:58:36,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 06:58:36,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 06:58:36,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:36" (1/1) ... [2019-10-15 06:58:36,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:36" (1/1) ... [2019-10-15 06:58:36,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:36" (1/1) ... [2019-10-15 06:58:36,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:36" (1/1) ... [2019-10-15 06:58:36,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:36" (1/1) ... [2019-10-15 06:58:36,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:36" (1/1) ... [2019-10-15 06:58:36,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:36" (1/1) ... [2019-10-15 06:58:36,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 06:58:36,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 06:58:36,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 06:58:36,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 06:58:36,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:58:36" (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 [2019-10-15 06:58:36,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 06:58:36,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 06:58:36,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 06:58:36,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 06:58:36,625 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 06:58:36,625 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 06:58:36,625 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 06:58:36,626 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 06:58:36,626 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 06:58:36,626 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 06:58:36,626 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 06:58:36,626 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 06:58:36,626 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 06:58:36,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 06:58:36,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 06:58:36,627 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 06:58:36,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 06:58:36,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 06:58:36,628 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 06:58:36,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-15 06:58:36,628 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 06:58:36,628 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 06:58:36,628 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 06:58:36,628 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 06:58:36,629 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 06:58:36,629 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 06:58:36,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 06:58:36,629 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 06:58:36,629 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 06:58:36,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 06:58:36,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 06:58:36,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 06:58:36,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 06:58:36,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 06:58:36,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 06:58:36,630 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 06:58:36,631 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 06:58:36,631 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 06:58:36,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 06:58:36,631 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 06:58:36,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 06:58:36,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 06:58:36,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 06:58:36,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 06:58:36,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 06:58:36,632 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 06:58:36,632 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 06:58:36,632 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 06:58:36,633 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 06:58:36,633 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 06:58:36,633 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 06:58:36,633 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 06:58:36,633 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 06:58:36,633 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 06:58:36,633 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 06:58:36,634 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 06:58:36,634 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 06:58:36,634 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 06:58:36,634 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 06:58:36,634 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 06:58:36,634 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 06:58:36,635 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 06:58:36,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-15 06:58:36,635 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 06:58:36,635 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 06:58:36,635 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 06:58:36,635 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 06:58:36,635 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 06:58:36,636 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 06:58:36,636 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 06:58:36,636 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 06:58:36,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 06:58:36,636 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 06:58:36,636 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 06:58:36,637 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 06:58:36,637 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 06:58:36,637 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 06:58:36,637 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 06:58:36,637 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 06:58:36,637 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 06:58:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 06:58:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 06:58:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 06:58:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 06:58:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 06:58:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 06:58:36,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 06:58:36,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 06:58:36,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 06:58:36,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 06:58:36,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 06:58:36,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 06:58:36,639 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 06:58:36,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 06:58:36,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 06:58:36,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 06:58:36,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 06:58:36,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 06:58:36,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 06:58:36,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 06:58:38,264 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 06:58:38,264 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 06:58:38,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:58:38 BoogieIcfgContainer [2019-10-15 06:58:38,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 06:58:38,267 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 06:58:38,267 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 06:58:38,268 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 06:58:38,269 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:58:38" (1/1) ... [2019-10-15 06:58:38,270 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 [2019-10-15 06:58:38,296 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 06:58:38,296 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 06:58:38,306 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 06:58:38,316 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 06:58:38,317 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 06:58:48,319 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-15 06:58:50,233 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-15 06:58:50,386 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-15 06:58:50,525 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-15 06:58:50,675 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-15 06:58:50,921 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-15 06:58:50,939 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 544 for LOIs [2019-10-15 06:58:50,997 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 542 for LOIs [2019-10-15 06:58:51,004 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 540 for LOIs [2019-10-15 06:58:51,913 WARN L191 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 585 [2019-10-15 06:58:52,839 WARN L191 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 585 [2019-10-15 06:58:53,552 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 601 [2019-10-15 06:58:53,933 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 601 [2019-10-15 06:58:54,235 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 604 [2019-10-15 06:58:54,562 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 604 [2019-10-15 06:58:54,870 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 604 [2019-10-15 06:58:55,125 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 604 [2019-10-15 06:58:55,383 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 607 [2019-10-15 06:58:55,648 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 607 [2019-10-15 06:58:55,896 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-15 06:58:56,042 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-15 06:58:56,320 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-15 06:58:56,495 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-15 06:58:56,624 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-15 06:58:56,856 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-15 06:58:57,163 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-15 06:58:57,551 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-15 06:58:58,047 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 06:58:58,328 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 06:58:58,556 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-15 06:59:01,325 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 592 [2019-10-15 06:59:01,443 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 592 [2019-10-15 06:59:01,624 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 601 [2019-10-15 06:59:01,774 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 06:59:02,017 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 06:59:03,754 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2019-10-15 06:59:04,546 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-15 06:59:04,563 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-15 06:59:04,565 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 136 for LOIs [2019-10-15 06:59:04,805 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 130 for LOIs [2019-10-15 06:59:04,812 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 140 for LOIs [2019-10-15 06:59:04,872 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 06:59:04,883 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 06:59:04,883 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 06:59:04,885 INFO L168 Benchmark]: Toolchain (without parser) took 29084.94 ms. Allocated memory was 145.8 MB in the beginning and 761.8 MB in the end (delta: 616.0 MB). Free memory was 101.6 MB in the beginning and 228.7 MB in the end (delta: -127.1 MB). Peak memory consumption was 488.9 MB. Max. memory is 7.1 GB. [2019-10-15 06:59:04,886 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-15 06:59:04,887 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.87 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 101.4 MB in the beginning and 171.3 MB in the end (delta: -70.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-10-15 06:59:04,888 INFO L168 Benchmark]: Boogie Preprocessor took 87.38 ms. Allocated memory is still 203.4 MB. Free memory was 171.3 MB in the beginning and 167.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-15 06:59:04,889 INFO L168 Benchmark]: RCFGBuilder took 1699.01 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 167.3 MB in the beginning and 144.6 MB in the end (delta: 22.7 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2019-10-15 06:59:04,890 INFO L168 Benchmark]: Sifa took 26616.65 ms. Allocated memory was 235.9 MB in the beginning and 761.8 MB in the end (delta: 525.9 MB). Free memory was 144.6 MB in the beginning and 228.7 MB in the end (delta: -84.1 MB). Peak memory consumption was 441.7 MB. Max. memory is 7.1 GB. [2019-10-15 06:59:04,894 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 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 677.87 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 101.4 MB in the beginning and 171.3 MB in the end (delta: -70.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.38 ms. Allocated memory is still 203.4 MB. Free memory was 171.3 MB in the beginning and 167.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1699.01 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 167.3 MB in the beginning and 144.6 MB in the end (delta: 22.7 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * Sifa took 26616.65 ms. Allocated memory was 235.9 MB in the beginning and 761.8 MB in the end (delta: 525.9 MB). Free memory was 144.6 MB in the beginning and 228.7 MB in the end (delta: -84.1 MB). Peak memory consumption was 441.7 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]: 26576, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 297, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 200, TOOLS_POST_TIME[ms]: 12153, TOOLS_POST_CALL_APPLICATIONS: 84, TOOLS_POST_CALL_TIME[ms]: 170, TOOLS_POST_RETURN_APPLICATIONS: 77, TOOLS_POST_RETURN_TIME[ms]: 110, TOOLS_QUANTIFIERELIM_APPLICATIONS: 360, TOOLS_QUANTIFIERELIM_TIME[ms]: 12291, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11997, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 301, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 108, DOMAIN_JOIN_TIME[ms]: 13427, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 218, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 22, DOMAIN_ISBOTTOM_APPLICATIONS: 70, DOMAIN_ISBOTTOM_TIME[ms]: 320, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6354, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6353, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 77, CALL_SUMMARIZER_CACHE_MISSES: 31, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12813, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12812, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 26, DAG_COMPRESSION_PROCESSED_NODES: 553, DAG_COMPRESSION_RETAINED_NODES: 242 - UnprovableResult [Line: 44]: 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 1077#(and (= |#t~string50.offset| 0) (<= |#t~string58.offset| 0) (= |#t~string61.offset| 0) (= |#t~string49.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (<= |#t~string73.offset| 0) (<= 0 |#t~string67.offset|) (= 0 ~waterLevel~0) (<= 0 |#t~string60.offset|) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (<= |#t~string75.offset| 0) (= |#t~string71.offset| 0) (<= 0 |#t~string51.offset|) (<= |#t~string24.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (= |#t~string51.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string18.offset| 0) (<= 0 |#t~string61.offset|) (<= 0 ~waterLevel~0) (= |#t~string20.offset| 0) (<= |#t~string14.offset| 0) (<= 0 |#t~string53.offset|) (= |#t~string67.offset| 0) (= |#t~string14.offset| 0) (<= 0 |#NULL.offset|) (<= |#t~string60.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string73.offset|) (= ~cleanupTimeShifts~0 4) (= |#t~string73.offset| 0) (<= 0 |#t~string16.offset|) (<= 0 |#t~string50.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (= |#t~string18.offset| 0) (<= 1 ~systemActive~0) (<= 0 |#t~string71.offset|) (= |#t~string16.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (= |#t~string53.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (= |#t~string10.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (<= 0 |#t~string75.offset|) (<= |#t~string52.offset| 0) (<= |#t~string16.offset| 0) (= |#t~string12.offset| 0) (<= 0 |#t~string18.offset|) (<= ~waterLevel~0 0) (<= |#t~string51.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string49.offset|) (<= 0 |#t~string69.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= |#t~string71.offset| 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string24.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (= |#t~string54.offset| 0) (<= 0 |#t~string54.offset|) (= |#t~string58.offset| 0) (<= |#t~string69.offset| 0) (= |#t~string59.offset| 0) (<= |#t~string62.offset| 0) (<= |#t~string50.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string14.offset|) (= |#t~string60.offset| 0) (<= 0 |#t~string12.offset|) (= |#t~string22.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string12.offset| 0) (<= |#t~string49.offset| 0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (= |#t~string75.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...