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 --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:16:34,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:16:34,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:16:34,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:16:34,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:16:34,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:16:34,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:16:34,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:16:34,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:16:34,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:16:34,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:16:34,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:16:34,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:16:34,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:16:34,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:16:34,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:16:34,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:16:34,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:16:34,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:16:34,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:16:34,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:16:34,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:16:34,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:16:34,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:16:34,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:16:34,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:16:34,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:16:34,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:16:34,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:16:34,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:16:34,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:16:34,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:16:34,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:16:34,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:16:34,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:16:34,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:16:34,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:16:34,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:16:34,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:16:34,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:16:34,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:16:34,395 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 [2019-09-21 09:16:34,411 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:16:34,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:16:34,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:16:34,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:16:34,413 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:16:34,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:16:34,413 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:16:34,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:16:34,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:16:34,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:16:34,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:16:34,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:16:34,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:16:34,415 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:16:34,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:16:34,415 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:16:34,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:16:34,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:16:34,416 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:16:34,416 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:16:34,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:16:34,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:16:34,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:16:34,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:16:34,417 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:16:34,417 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:16:34,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:16:34,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:16:34,418 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 09:16:34,457 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:16:34,473 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:16:34,478 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:16:34,480 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:16:34,480 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:16:34,481 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2019-09-21 09:16:34,560 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00f36ec83/59cbc680089245b8a6d955e19965bfa6/FLAG133619525 [2019-09-21 09:16:35,113 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:16:35,114 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2019-09-21 09:16:35,139 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00f36ec83/59cbc680089245b8a6d955e19965bfa6/FLAG133619525 [2019-09-21 09:16:35,389 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00f36ec83/59cbc680089245b8a6d955e19965bfa6 [2019-09-21 09:16:35,402 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:16:35,404 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:16:35,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:16:35,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:16:35,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:16:35,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:16:35" (1/1) ... [2019-09-21 09:16:35,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a928e2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:35, skipping insertion in model container [2019-09-21 09:16:35,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:16:35" (1/1) ... [2019-09-21 09:16:35,420 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:16:35,473 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:16:35,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:16:35,924 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:16:36,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:16:36,042 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:16:36,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:36 WrapperNode [2019-09-21 09:16:36,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:16:36,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:16:36,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:16:36,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:16:36,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:36" (1/1) ... [2019-09-21 09:16:36,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:36" (1/1) ... [2019-09-21 09:16:36,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:36" (1/1) ... [2019-09-21 09:16:36,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:36" (1/1) ... [2019-09-21 09:16:36,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:36" (1/1) ... [2019-09-21 09:16:36,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:36" (1/1) ... [2019-09-21 09:16:36,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:36" (1/1) ... [2019-09-21 09:16:36,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:16:36,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:16:36,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:16:36,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:16:36,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:36" (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 [2019-09-21 09:16:36,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:16:36,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:16:36,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 09:16:36,219 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 09:16:36,219 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 09:16:36,220 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 09:16:36,221 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 09:16:36,221 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 09:16:36,221 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 09:16:36,222 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 09:16:36,222 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 09:16:36,223 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:16:36,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 09:16:36,223 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 09:16:36,223 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 09:16:36,224 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 09:16:36,226 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 09:16:36,226 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 09:16:36,227 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 09:16:36,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-21 09:16:36,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 09:16:36,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 09:16:36,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 09:16:36,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 09:16:36,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 09:16:36,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 09:16:36,228 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 09:16:36,228 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 09:16:36,228 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 09:16:36,228 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 09:16:36,229 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 09:16:36,229 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 09:16:36,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 09:16:36,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 09:16:36,230 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 09:16:36,230 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-21 09:16:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:16:36,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:16:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 09:16:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 09:16:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 09:16:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 09:16:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 09:16:36,231 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 09:16:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 09:16:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 09:16:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 09:16:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 09:16:36,232 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 09:16:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 09:16:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 09:16:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 09:16:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:16:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 09:16:36,233 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 09:16:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 09:16:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 09:16:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 09:16:36,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:16:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 09:16:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-21 09:16:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 09:16:36,235 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 09:16:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 09:16:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 09:16:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 09:16:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 09:16:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:16:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 09:16:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 09:16:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:16:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 09:16:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 09:16:36,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:16:36,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 09:16:36,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 09:16:36,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 09:16:36,239 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-21 09:16:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 09:16:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 09:16:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 09:16:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 09:16:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 09:16:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:16:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 09:16:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:16:37,839 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:16:37,839 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 09:16:37,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:16:37 BoogieIcfgContainer [2019-09-21 09:16:37,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:16:37,842 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:16:37,842 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:16:37,842 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:16:37,843 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:16:37" (1/1) ... [2019-09-21 09:16:37,844 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:16:37,871 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:16:37,871 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:16:37,881 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:16:37,891 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:16:37,893 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:16:48,713 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-21 09:16:50,374 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 09:16:50,553 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 09:16:50,634 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 114 for LOIs [2019-09-21 09:16:50,709 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 114 for LOIs [2019-09-21 09:16:50,713 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 114 for LOIs [2019-09-21 09:16:57,804 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-21 09:16:57,807 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 105 for LOIs [2019-09-21 09:16:57,891 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 103 for LOIs [2019-09-21 09:16:57,901 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 103 for LOIs [2019-09-21 09:16:57,940 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:16:57,940 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:16:57,943 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1206#(or (and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string35.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string64.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string11.offset|) (<= 0 |#t~string46.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= |#t~string56.offset| 0) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 |#t~string42.offset|) (<= |#t~string7.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string9.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string35.offset| 0) (<= 0 |#t~string41.offset|) (<= |#t~string11.offset| 0) (<= |#t~string45.offset| 0) (<= 0 |#t~string36.offset|) (<= 0 |#t~string43.offset|) (<= |#t~string36.offset| 0) (<= 0 |#t~string56.offset|) (<= |#t~string41.offset| 0) (<= |#t~string66.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string42.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= |#t~string37.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string5.offset|) (<= |#t~string62.offset| 0) (<= |#t~string43.offset| 0) (<= 0 ~systemActive~0) (<= ~systemActive~0 0) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string37.offset|) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= |#t~string46.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= 0 |#t~string34.offset|) (<= |#t~string68.offset| 0) (<= 0 |#t~string3.offset|) (<= 0 |#t~string58.offset|) (<= 0 |#t~string68.offset|)) (and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string35.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string64.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string11.offset|) (<= 0 |#t~string46.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= |#t~string56.offset| 0) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 |#t~string42.offset|) (<= |#t~string7.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string9.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string35.offset| 0) (<= 0 |#t~string41.offset|) (<= |#t~string11.offset| 0) (<= |#t~string45.offset| 0) (<= 0 |#t~string36.offset|) (<= 0 |#t~string43.offset|) (<= |#t~string36.offset| 0) (<= 0 |#t~string56.offset|) (<= |#t~string41.offset| 0) (<= |#t~string66.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string42.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= |#t~string37.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string5.offset|) (<= |#t~string62.offset| 0) (<= |#t~string43.offset| 0) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string37.offset|) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= |#t~string46.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= 0 |#t~string34.offset|) (<= |#t~string68.offset| 0) (<= 0 |#t~string3.offset|) (<= 0 |#t~string58.offset|) (<= 0 |#t~string68.offset|))) [2019-09-21 09:16:57,963 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:16:57,963 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:16:57,966 INFO L168 Benchmark]: Toolchain (without parser) took 22561.57 ms. Allocated memory was 132.1 MB in the beginning and 599.3 MB in the end (delta: 467.1 MB). Free memory was 87.3 MB in the beginning and 240.5 MB in the end (delta: -153.2 MB). Peak memory consumption was 313.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:16:57,967 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:16:57,968 INFO L168 Benchmark]: CACSL2BoogieTranslator took 638.52 ms. Allocated memory was 132.1 MB in the beginning and 200.8 MB in the end (delta: 68.7 MB). Free memory was 87.1 MB in the beginning and 168.7 MB in the end (delta: -81.6 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. [2019-09-21 09:16:57,969 INFO L168 Benchmark]: Boogie Preprocessor took 101.69 ms. Allocated memory is still 200.8 MB. Free memory was 168.7 MB in the beginning and 164.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-21 09:16:57,978 INFO L168 Benchmark]: RCFGBuilder took 1695.64 ms. Allocated memory was 200.8 MB in the beginning and 222.8 MB in the end (delta: 22.0 MB). Free memory was 164.5 MB in the beginning and 154.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 95.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:16:57,980 INFO L168 Benchmark]: Sifa took 20121.77 ms. Allocated memory was 222.8 MB in the beginning and 599.3 MB in the end (delta: 376.4 MB). Free memory was 154.6 MB in the beginning and 240.5 MB in the end (delta: -85.9 MB). Peak memory consumption was 290.5 MB. Max. memory is 7.1 GB. [2019-09-21 09:16:57,990 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 638.52 ms. Allocated memory was 132.1 MB in the beginning and 200.8 MB in the end (delta: 68.7 MB). Free memory was 87.1 MB in the beginning and 168.7 MB in the end (delta: -81.6 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.69 ms. Allocated memory is still 200.8 MB. Free memory was 168.7 MB in the beginning and 164.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1695.64 ms. Allocated memory was 200.8 MB in the beginning and 222.8 MB in the end (delta: 22.0 MB). Free memory was 164.5 MB in the beginning and 154.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 95.4 MB. Max. memory is 7.1 GB. * Sifa took 20121.77 ms. Allocated memory was 222.8 MB in the beginning and 599.3 MB in the end (delta: 376.4 MB). Free memory was 154.6 MB in the beginning and 240.5 MB in the end (delta: -85.9 MB). Peak memory consumption was 290.5 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]: 20073, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 811, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 602, TOOLS_POST_TIME[ms]: 12984, TOOLS_POST_CALL_APPLICATIONS: 173, TOOLS_POST_CALL_TIME[ms]: 389, TOOLS_POST_RETURN_APPLICATIONS: 166, TOOLS_POST_RETURN_TIME[ms]: 214, TOOLS_QUANTIFIERELIM_APPLICATIONS: 940, TOOLS_QUANTIFIERELIM_TIME[ms]: 13247, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12595, FLUID_QUERY_TIME[ms]: 35, FLUID_QUERIES: 846, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 255, DOMAIN_JOIN_TIME[ms]: 5579, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME[ms]: 16, DOMAIN_ISSUBSETEQ_APPLICATIONS: 35, DOMAIN_ISSUBSETEQ_TIME[ms]: 118, DOMAIN_ISBOTTOM_APPLICATIONS: 187, DOMAIN_ISBOTTOM_TIME[ms]: 517, LOOP_SUMMARIZER_APPLICATIONS: 27, LOOP_SUMMARIZER_CACHE_MISSES: 27, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5757, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5756, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 35, CALL_SUMMARIZER_APPLICATIONS: 166, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12744, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12742, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 51, DAG_COMPRESSION_PROCESSED_NODES: 788, DAG_COMPRESSION_RETAINED_NODES: 342 - UnprovableResult [Line: 183]: 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 1206#(or (and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string35.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string64.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string11.offset|) (<= 0 |#t~string46.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= |#t~string56.offset| 0) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 |#t~string42.offset|) (<= |#t~string7.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string9.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string35.offset| 0) (<= 0 |#t~string41.offset|) (<= |#t~string11.offset| 0) (<= |#t~string45.offset| 0) (<= 0 |#t~string36.offset|) (<= 0 |#t~string43.offset|) (<= |#t~string36.offset| 0) (<= 0 |#t~string56.offset|) (<= |#t~string41.offset| 0) (<= |#t~string66.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string42.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= |#t~string37.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string5.offset|) (<= |#t~string62.offset| 0) (<= |#t~string43.offset| 0) (<= 0 ~systemActive~0) (<= ~systemActive~0 0) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string37.offset|) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= |#t~string46.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= 0 |#t~string34.offset|) (<= |#t~string68.offset| 0) (<= 0 |#t~string3.offset|) (<= 0 |#t~string58.offset|) (<= 0 |#t~string68.offset|)) (and (<= |#t~string58.offset| 0) (<= |#t~string33.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string35.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string64.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string11.offset|) (<= 0 |#t~string46.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= |#t~string56.offset| 0) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 |#t~string42.offset|) (<= |#t~string7.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string9.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string35.offset| 0) (<= 0 |#t~string41.offset|) (<= |#t~string11.offset| 0) (<= |#t~string45.offset| 0) (<= 0 |#t~string36.offset|) (<= 0 |#t~string43.offset|) (<= |#t~string36.offset| 0) (<= 0 |#t~string56.offset|) (<= |#t~string41.offset| 0) (<= |#t~string66.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string42.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#NULL.offset|) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= |#t~string37.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string5.offset|) (<= |#t~string62.offset| 0) (<= |#t~string43.offset| 0) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string37.offset|) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= |#t~string46.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= 0 |#t~string34.offset|) (<= |#t~string68.offset| 0) (<= 0 |#t~string3.offset|) (<= 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...