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 IntervalDomain -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 11:29:34,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 11:29:34,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 11:29:34,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 11:29:34,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 11:29:34,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 11:29:34,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 11:29:34,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 11:29:34,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 11:29:34,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 11:29:34,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 11:29:34,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 11:29:34,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 11:29:34,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 11:29:34,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 11:29:34,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 11:29:34,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 11:29:34,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 11:29:34,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 11:29:34,338 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 11:29:34,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 11:29:34,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 11:29:34,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 11:29:34,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 11:29:34,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 11:29:34,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 11:29:34,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 11:29:34,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 11:29:34,346 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 11:29:34,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 11:29:34,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 11:29:34,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 11:29:34,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 11:29:34,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 11:29:34,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 11:29:34,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 11:29:34,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 11:29:34,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 11:29:34,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 11:29:34,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 11:29:34,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 11:29:34,354 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 [2019-09-06 11:29:34,368 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 11:29:34,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 11:29:34,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 11:29:34,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 11:29:34,370 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 11:29:34,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 11:29:34,370 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 11:29:34,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 11:29:34,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 11:29:34,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 11:29:34,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 11:29:34,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 11:29:34,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 11:29:34,372 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 11:29:34,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 11:29:34,372 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 11:29:34,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 11:29:34,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 11:29:34,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 11:29:34,373 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 11:29:34,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 11:29:34,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 11:29:34,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 11:29:34,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 11:29:34,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 11:29:34,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 11:29:34,374 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 11:29:34,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 11:29:34,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 11:29:34,403 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 11:29:34,415 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 11:29:34,418 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 11:29:34,420 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 11:29:34,420 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 11:29:34,421 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product55.cil.c [2019-09-06 11:29:34,481 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49da01c2b/3e5e90ee6991480992678e754e931c62/FLAG166faf49b [2019-09-06 11:29:34,955 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 11:29:34,956 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product55.cil.c [2019-09-06 11:29:34,978 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49da01c2b/3e5e90ee6991480992678e754e931c62/FLAG166faf49b [2019-09-06 11:29:35,318 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49da01c2b/3e5e90ee6991480992678e754e931c62 [2019-09-06 11:29:35,326 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 11:29:35,328 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 11:29:35,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 11:29:35,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 11:29:35,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 11:29:35,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:29:35" (1/1) ... [2019-09-06 11:29:35,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a39f893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:29:35, skipping insertion in model container [2019-09-06 11:29:35,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:29:35" (1/1) ... [2019-09-06 11:29:35,346 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 11:29:35,414 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 11:29:35,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:29:35,864 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 11:29:35,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:29:35,982 INFO L192 MainTranslator]: Completed translation [2019-09-06 11:29:35,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:29:35 WrapperNode [2019-09-06 11:29:35,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 11:29:35,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 11:29:35,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 11:29:35,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 11:29:35,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:29:35" (1/1) ... [2019-09-06 11:29:35,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:29:35" (1/1) ... [2019-09-06 11:29:36,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:29:35" (1/1) ... [2019-09-06 11:29:36,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:29:35" (1/1) ... [2019-09-06 11:29:36,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:29:35" (1/1) ... [2019-09-06 11:29:36,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:29:35" (1/1) ... [2019-09-06 11:29:36,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:29:35" (1/1) ... [2019-09-06 11:29:36,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 11:29:36,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 11:29:36,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 11:29:36,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 11:29:36,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:29:35" (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 [2019-09-06 11:29:36,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 11:29:36,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 11:29:36,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-06 11:29:36,128 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-06 11:29:36,129 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-06 11:29:36,129 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-06 11:29:36,129 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-06 11:29:36,129 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-06 11:29:36,129 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-06 11:29:36,130 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-06 11:29:36,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-06 11:29:36,130 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-06 11:29:36,130 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-06 11:29:36,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-06 11:29:36,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-06 11:29:36,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-06 11:29:36,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-06 11:29:36,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-06 11:29:36,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-06 11:29:36,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-06 11:29:36,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-06 11:29:36,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-06 11:29:36,132 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-06 11:29:36,132 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-06 11:29:36,132 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-06 11:29:36,132 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-06 11:29:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 11:29:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-06 11:29:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-06 11:29:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-06 11:29:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-06 11:29:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-06 11:29:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-06 11:29:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-06 11:29:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-06 11:29:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-06 11:29:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-06 11:29:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-06 11:29:36,135 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-06 11:29:36,135 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-06 11:29:36,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-06 11:29:36,135 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-06 11:29:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 11:29:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 11:29:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-06 11:29:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-06 11:29:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-06 11:29:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-06 11:29:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-06 11:29:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-06 11:29:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-06 11:29:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-06 11:29:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-06 11:29:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-06 11:29:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-06 11:29:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-06 11:29:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-06 11:29:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 11:29:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-06 11:29:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-06 11:29:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-06 11:29:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-06 11:29:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-06 11:29:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-06 11:29:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-06 11:29:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 11:29:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-06 11:29:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-06 11:29:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 11:29:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-06 11:29:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-06 11:29:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 11:29:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-06 11:29:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-06 11:29:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-06 11:29:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-06 11:29:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-06 11:29:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-06 11:29:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-06 11:29:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-06 11:29:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-06 11:29:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-06 11:29:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 11:29:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-06 11:29:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-06 11:29:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-06 11:29:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-06 11:29:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-06 11:29:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-06 11:29:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-06 11:29:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-06 11:29:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-06 11:29:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-06 11:29:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-06 11:29:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-06 11:29:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 11:29:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-06 11:29:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 11:29:37,202 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 11:29:37,202 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-06 11:29:37,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:29:37 BoogieIcfgContainer [2019-09-06 11:29:37,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 11:29:37,204 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 11:29:37,205 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 11:29:37,205 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 11:29:37,206 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:29:37" (1/1) ... [2019-09-06 11:29:37,207 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 11:29:37,232 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 11:29:37,232 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 11:29:37,247 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 11:29:37,258 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 11:29:37,260 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 11:29:37,371 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 114 for LOIs [2019-09-06 11:29:37,443 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 114 for LOIs [2019-09-06 11:29:37,448 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 114 for LOIs [2019-09-06 11:29:47,227 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-06 11:29:47,229 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 106 for LOIs [2019-09-06 11:29:47,290 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification3_spec__1 with input of size 106 for LOIs [2019-09-06 11:29:47,368 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 106 for LOIs [2019-09-06 11:29:47,369 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 11:29:47,369 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 11:29:47,371 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2681#(or (and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string64.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string60.offset|) (<= |#t~string56.offset| 0) (<= |#t~string39.offset| 0) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string39.offset|) (<= 0 |#t~string10.offset|) (<= |#t~string6.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string40.offset| 0) (<= 0 |#t~string41.offset|) (<= 0 |#t~string2.offset|) (<= 0 |#t~string43.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string41.offset| 0) (<= |#t~string66.offset| 0) (<= |#t~string42.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string54.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= 0 ~pumpRunning~0) (<= |#t~string43.offset| 0) (<= 0 |#t~string38.offset|) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= 0 |#t~string34.offset|) (<= |#t~string2.offset| 0) (<= |#t~string38.offset| 0) (<= 0 |#t~string58.offset|) (<= |#t~string4.offset| 0) (<= |#t~string8.offset| 0)) (and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= |#t~string31.offset| 0) (<= 0 |#t~string52.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string64.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string60.offset|) (<= |#t~string56.offset| 0) (<= |#t~string39.offset| 0) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string39.offset|) (<= 0 |#t~string10.offset|) (<= |#t~string6.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string40.offset| 0) (<= 0 |#t~string41.offset|) (<= 0 |#t~string2.offset|) (<= 0 |#t~string43.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string41.offset| 0) (<= |#t~string66.offset| 0) (<= |#t~string42.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string54.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= 0 ~pumpRunning~0) (<= |#t~string43.offset| 0) (<= 0 ~systemActive~0) (<= ~systemActive~0 0) (<= 0 |#t~string38.offset|) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= 0 |#t~string34.offset|) (<= |#t~string2.offset| 0) (<= |#t~string38.offset| 0) (<= 0 |#t~string58.offset|) (<= |#t~string4.offset| 0) (<= |#t~string8.offset| 0))) [2019-09-06 11:29:47,389 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 11:29:47,390 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 11:29:47,392 INFO L168 Benchmark]: Toolchain (without parser) took 12063.73 ms. Allocated memory was 133.2 MB in the beginning and 497.5 MB in the end (delta: 364.4 MB). Free memory was 87.5 MB in the beginning and 234.2 MB in the end (delta: -146.7 MB). Peak memory consumption was 217.7 MB. Max. memory is 7.1 GB. [2019-09-06 11:29:47,393 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 11:29:47,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.72 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 87.3 MB in the beginning and 164.1 MB in the end (delta: -76.8 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-06 11:29:47,395 INFO L168 Benchmark]: Boogie Preprocessor took 90.95 ms. Allocated memory is still 200.3 MB. Free memory was 164.1 MB in the beginning and 159.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-06 11:29:47,396 INFO L168 Benchmark]: RCFGBuilder took 1124.67 ms. Allocated memory was 200.3 MB in the beginning and 225.4 MB in the end (delta: 25.2 MB). Free memory was 159.1 MB in the beginning and 189.2 MB in the end (delta: -30.0 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. [2019-09-06 11:29:47,397 INFO L168 Benchmark]: Sifa took 10185.45 ms. Allocated memory was 225.4 MB in the beginning and 497.5 MB in the end (delta: 272.1 MB). Free memory was 189.2 MB in the beginning and 234.2 MB in the end (delta: -45.0 MB). Peak memory consumption was 227.1 MB. Max. memory is 7.1 GB. [2019-09-06 11:29:47,411 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 133.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 654.72 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 87.3 MB in the beginning and 164.1 MB in the end (delta: -76.8 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.95 ms. Allocated memory is still 200.3 MB. Free memory was 164.1 MB in the beginning and 159.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1124.67 ms. Allocated memory was 200.3 MB in the beginning and 225.4 MB in the end (delta: 25.2 MB). Free memory was 159.1 MB in the beginning and 189.2 MB in the end (delta: -30.0 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. * Sifa took 10185.45 ms. Allocated memory was 225.4 MB in the beginning and 497.5 MB in the end (delta: 272.1 MB). Free memory was 189.2 MB in the beginning and 234.2 MB in the end (delta: -45.0 MB). Peak memory consumption was 227.1 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]: 10139, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1686, DAG_INTERPRETER_EARLY_EXITS: 15, TOOLS_POST_APPLICATIONS: 1212, TOOLS_POST_TIME[ms]: 663, TOOLS_POST_CALL_APPLICATIONS: 361, TOOLS_POST_CALL_TIME[ms]: 728, TOOLS_POST_RETURN_APPLICATIONS: 354, TOOLS_POST_RETURN_TIME[ms]: 1372, TOOLS_QUANTIFIERELIM_TIME[ms]: 2143, FLUID_QUERY_TIME[ms]: 49, FLUID_QUERIES: 1739, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 501, DOMAIN_JOIN_TIME[ms]: 1608, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 29, DOMAIN_WIDEN_TIME[ms]: 52, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1747, DOMAIN_ISSUBSETEQ_TIME[ms]: 4494, DOMAIN_ISBOTTOM_APPLICATIONS: 286, DOMAIN_ISBOTTOM_TIME[ms]: 836, LOOP_SUMMARIZER_APPLICATIONS: 24, LOOP_SUMMARIZER_CACHE_MISSES: 24, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8889, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8888, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 53, CALL_SUMMARIZER_APPLICATIONS: 354, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 6162, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 44, DAG_COMPRESSION_PROCESSED_NODES: 803, DAG_COMPRESSION_RETAINED_NODES: 430 - UnprovableResult [Line: 193]: 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 2681#(or (and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= |#t~string31.offset| 0) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string64.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string60.offset|) (<= |#t~string56.offset| 0) (<= |#t~string39.offset| 0) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string39.offset|) (<= 0 |#t~string10.offset|) (<= |#t~string6.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string40.offset| 0) (<= 0 |#t~string41.offset|) (<= 0 |#t~string2.offset|) (<= 0 |#t~string43.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string41.offset| 0) (<= |#t~string66.offset| 0) (<= |#t~string42.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string54.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= 0 ~pumpRunning~0) (<= |#t~string43.offset| 0) (<= 0 |#t~string38.offset|) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= 0 |#t~string34.offset|) (<= |#t~string2.offset| 0) (<= |#t~string38.offset| 0) (<= 0 |#t~string58.offset|) (<= |#t~string4.offset| 0) (<= |#t~string8.offset| 0)) (and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= |#t~string31.offset| 0) (<= 0 |#t~string52.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string64.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string60.offset|) (<= |#t~string56.offset| 0) (<= |#t~string39.offset| 0) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string39.offset|) (<= 0 |#t~string10.offset|) (<= |#t~string6.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string40.offset| 0) (<= 0 |#t~string41.offset|) (<= 0 |#t~string2.offset|) (<= 0 |#t~string43.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string41.offset| 0) (<= |#t~string66.offset| 0) (<= |#t~string42.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string54.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= 0 ~pumpRunning~0) (<= |#t~string43.offset| 0) (<= 0 ~systemActive~0) (<= ~systemActive~0 0) (<= 0 |#t~string38.offset|) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= 0 |#t~string34.offset|) (<= |#t~string2.offset| 0) (<= |#t~string38.offset| 0) (<= 0 |#t~string58.offset|) (<= |#t~string4.offset| 0) (<= |#t~string8.offset| 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...