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_spec1_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 02:48:04,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 02:48:04,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 02:48:04,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 02:48:04,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 02:48:04,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 02:48:04,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 02:48:05,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 02:48:05,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 02:48:05,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 02:48:05,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 02:48:05,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 02:48:05,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 02:48:05,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 02:48:05,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 02:48:05,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 02:48:05,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 02:48:05,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 02:48:05,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 02:48:05,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 02:48:05,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 02:48:05,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 02:48:05,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 02:48:05,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 02:48:05,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 02:48:05,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 02:48:05,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 02:48:05,043 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 02:48:05,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 02:48:05,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 02:48:05,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 02:48:05,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 02:48:05,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 02:48:05,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 02:48:05,051 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 02:48:05,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 02:48:05,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 02:48:05,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 02:48:05,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 02:48:05,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 02:48:05,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 02:48:05,056 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 [2019-10-14 02:48:05,090 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 02:48:05,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 02:48:05,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 02:48:05,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 02:48:05,095 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 02:48:05,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 02:48:05,096 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 02:48:05,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 02:48:05,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 02:48:05,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 02:48:05,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 02:48:05,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 02:48:05,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 02:48:05,099 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 02:48:05,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 02:48:05,100 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 02:48:05,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 02:48:05,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 02:48:05,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 02:48:05,101 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 02:48:05,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 02:48:05,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 02:48:05,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 02:48:05,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 02:48:05,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 02:48:05,102 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 02:48:05,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 02:48:05,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 02:48:05,104 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 [2019-10-14 02:48:05,426 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 02:48:05,440 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 02:48:05,444 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 02:48:05,446 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 02:48:05,446 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 02:48:05,447 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product25.cil.c [2019-10-14 02:48:05,535 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f7e2dbe6/bf5a146c80a947a6a4469aaf481dfe11/FLAG5eec18df0 [2019-10-14 02:48:06,103 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 02:48:06,104 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product25.cil.c [2019-10-14 02:48:06,118 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f7e2dbe6/bf5a146c80a947a6a4469aaf481dfe11/FLAG5eec18df0 [2019-10-14 02:48:06,411 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f7e2dbe6/bf5a146c80a947a6a4469aaf481dfe11 [2019-10-14 02:48:06,420 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 02:48:06,421 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 02:48:06,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 02:48:06,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 02:48:06,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 02:48:06,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:48:06" (1/1) ... [2019-10-14 02:48:06,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27b1071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:06, skipping insertion in model container [2019-10-14 02:48:06,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:48:06" (1/1) ... [2019-10-14 02:48:06,441 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 02:48:06,501 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 02:48:06,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:48:06,967 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 02:48:07,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:48:07,131 INFO L192 MainTranslator]: Completed translation [2019-10-14 02:48:07,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:07 WrapperNode [2019-10-14 02:48:07,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 02:48:07,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 02:48:07,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 02:48:07,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 02:48:07,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:07" (1/1) ... [2019-10-14 02:48:07,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:07" (1/1) ... [2019-10-14 02:48:07,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:07" (1/1) ... [2019-10-14 02:48:07,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:07" (1/1) ... [2019-10-14 02:48:07,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:07" (1/1) ... [2019-10-14 02:48:07,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:07" (1/1) ... [2019-10-14 02:48:07,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:07" (1/1) ... [2019-10-14 02:48:07,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 02:48:07,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 02:48:07,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 02:48:07,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 02:48:07,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:48:07" (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 [2019-10-14 02:48:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 02:48:07,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 02:48:07,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 02:48:07,303 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-14 02:48:07,303 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-14 02:48:07,303 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-14 02:48:07,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-14 02:48:07,304 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-14 02:48:07,304 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-14 02:48:07,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-14 02:48:07,304 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 02:48:07,305 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 02:48:07,305 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 02:48:07,305 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 02:48:07,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-14 02:48:07,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 02:48:07,306 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 02:48:07,306 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-14 02:48:07,306 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-14 02:48:07,306 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-14 02:48:07,307 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-14 02:48:07,307 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-14 02:48:07,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-14 02:48:07,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-14 02:48:07,307 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-14 02:48:07,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-14 02:48:07,308 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 02:48:07,308 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 02:48:07,308 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 02:48:07,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 02:48:07,309 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 02:48:07,309 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 02:48:07,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 02:48:07,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 02:48:07,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 02:48:07,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 02:48:07,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 02:48:07,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 02:48:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 02:48:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 02:48:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 02:48:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-14 02:48:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-14 02:48:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-14 02:48:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-14 02:48:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-14 02:48:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-14 02:48:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-14 02:48:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 02:48:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 02:48:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 02:48:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 02:48:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 02:48:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 02:48:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-14 02:48:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-14 02:48:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 02:48:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-14 02:48:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-14 02:48:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-14 02:48:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-14 02:48:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-14 02:48:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-14 02:48:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-14 02:48:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-14 02:48:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 02:48:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 02:48:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 02:48:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 02:48:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 02:48:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 02:48:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 02:48:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 02:48:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 02:48:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 02:48:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 02:48:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 02:48:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 02:48:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 02:48:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 02:48:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 02:48:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 02:48:07,317 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 02:48:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 02:48:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 02:48:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 02:48:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 02:48:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 02:48:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 02:48:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 02:48:08,828 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 02:48:08,829 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-14 02:48:08,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:48:08 BoogieIcfgContainer [2019-10-14 02:48:08,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 02:48:08,831 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 02:48:08,831 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 02:48:08,831 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 02:48:08,832 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:48:08" (1/1) ... [2019-10-14 02:48:08,833 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 [2019-10-14 02:48:08,865 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 02:48:08,865 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 02:48:08,879 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 02:48:08,893 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 02:48:08,898 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 02:48:17,001 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-14 02:48:18,820 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-14 02:48:18,986 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-14 02:48:19,136 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-14 02:48:19,271 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-14 02:48:19,596 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-14 02:48:19,627 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 544 for LOIs [2019-10-14 02:48:19,704 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 542 for LOIs [2019-10-14 02:48:19,712 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 540 for LOIs [2019-10-14 02:48:19,986 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-14 02:48:20,214 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-14 02:48:21,028 WARN L191 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 585 DAG size of output: 585 [2019-10-14 02:48:21,711 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 585 DAG size of output: 585 [2019-10-14 02:48:22,124 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 605 [2019-10-14 02:48:22,430 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 605 [2019-10-14 02:48:22,696 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 597 [2019-10-14 02:48:22,913 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 597 [2019-10-14 02:48:23,205 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 176 [2019-10-14 02:48:24,735 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 176 [2019-10-14 02:48:25,781 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-14 02:48:25,784 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 137 for LOIs [2019-10-14 02:48:26,106 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 131 for LOIs [2019-10-14 02:48:26,115 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 144 for LOIs [2019-10-14 02:48:26,266 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-14 02:48:26,267 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-14 02:48:26,270 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 593#(and (<= |#t~string58.offset| 0) (= |#t~string61.offset| 0) (= |#t~string7.offset| 0) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (= |#t~string3.offset| 0) (= |#t~string9.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (<= |#t~string1.offset| 0) (<= |#t~string57.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (= |#t~string25.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (<= |#t~string66.offset| 0) (<= 0 |#t~string9.offset|) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (<= |#NULL.base| 0) (<= 1 ~systemActive~0) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string3.offset|) (= |#t~string69.offset| 0) (<= |#t~string25.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (= |#t~string23.offset| 0) (= |#t~string21.offset| 0) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#t~string70.offset|) (<= 0 |#t~string17.offset|) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= |#t~string70.offset| 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (= |#t~string65.offset| 0) (= |#t~string1.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string1.offset|) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string9.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (= |#t~string5.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= 0 |#t~string7.offset|) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (= ~systemActive~0 1) (= |#t~string58.offset| 0) (<= |#t~string69.offset| 0) (= |#t~string19.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string29.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string66.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string60.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= 0 |#t~string25.offset|) (= |#t~string17.offset| 0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string68.offset|)) [2019-10-14 02:48:26,293 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-14 02:48:26,293 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-14 02:48:26,296 INFO L168 Benchmark]: Toolchain (without parser) took 19873.85 ms. Allocated memory was 135.8 MB in the beginning and 620.8 MB in the end (delta: 485.0 MB). Free memory was 99.4 MB in the beginning and 561.0 MB in the end (delta: -461.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2019-10-14 02:48:26,297 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 135.8 MB. Free memory was 119.1 MB in the beginning and 118.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-14 02:48:26,299 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.77 ms. Allocated memory was 135.8 MB in the beginning and 200.3 MB in the end (delta: 64.5 MB). Free memory was 99.2 MB in the beginning and 168.1 MB in the end (delta: -68.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-10-14 02:48:26,311 INFO L168 Benchmark]: Boogie Preprocessor took 111.68 ms. Allocated memory is still 200.3 MB. Free memory was 168.1 MB in the beginning and 163.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-14 02:48:26,312 INFO L168 Benchmark]: RCFGBuilder took 1584.71 ms. Allocated memory was 200.3 MB in the beginning and 228.1 MB in the end (delta: 27.8 MB). Free memory was 163.8 MB in the beginning and 149.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 88.4 MB. Max. memory is 7.1 GB. [2019-10-14 02:48:26,315 INFO L168 Benchmark]: Sifa took 17462.71 ms. Allocated memory was 228.1 MB in the beginning and 620.8 MB in the end (delta: 392.7 MB). Free memory was 149.8 MB in the beginning and 561.0 MB in the end (delta: -411.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-14 02:48:26,324 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 135.8 MB. Free memory was 119.1 MB in the beginning and 118.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 710.77 ms. Allocated memory was 135.8 MB in the beginning and 200.3 MB in the end (delta: 64.5 MB). Free memory was 99.2 MB in the beginning and 168.1 MB in the end (delta: -68.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.68 ms. Allocated memory is still 200.3 MB. Free memory was 168.1 MB in the beginning and 163.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1584.71 ms. Allocated memory was 200.3 MB in the beginning and 228.1 MB in the end (delta: 27.8 MB). Free memory was 163.8 MB in the beginning and 149.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 88.4 MB. Max. memory is 7.1 GB. * Sifa took 17462.71 ms. Allocated memory was 228.1 MB in the beginning and 620.8 MB in the end (delta: 392.7 MB). Free memory was 149.8 MB in the beginning and 561.0 MB in the end (delta: -411.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 17405, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 174, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 117, TOOLS_POST_TIME[ms]: 10085, TOOLS_POST_CALL_APPLICATIONS: 49, TOOLS_POST_CALL_TIME[ms]: 167, TOOLS_POST_RETURN_APPLICATIONS: 42, TOOLS_POST_RETURN_TIME[ms]: 90, TOOLS_QUANTIFIERELIM_APPLICATIONS: 207, TOOLS_QUANTIFIERELIM_TIME[ms]: 10211, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 9978, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 178, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 58, DOMAIN_JOIN_TIME[ms]: 6523, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 180, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 36, DOMAIN_ISBOTTOM_TIME[ms]: 158, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2712, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2712, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 42, CALL_SUMMARIZER_CACHE_MISSES: 19, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10746, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10745, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 39, DAG_COMPRESSION_PROCESSED_NODES: 383, DAG_COMPRESSION_RETAINED_NODES: 176 - UnprovableResult [Line: 206]: 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 593#(and (<= |#t~string58.offset| 0) (= |#t~string61.offset| 0) (= |#t~string7.offset| 0) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (= |#t~string3.offset| 0) (= |#t~string9.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string60.offset|) (= |#NULL.base| 0) (<= |#t~string1.offset| 0) (<= |#t~string57.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (= |#t~string25.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (<= |#t~string66.offset| 0) (<= 0 |#t~string9.offset|) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (<= |#t~string60.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (= |#t~string68.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (<= |#NULL.base| 0) (<= 1 ~systemActive~0) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (= |#t~string70.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string3.offset|) (= |#t~string69.offset| 0) (<= |#t~string25.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (= |#t~string23.offset| 0) (= |#t~string21.offset| 0) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#t~string70.offset|) (<= 0 |#t~string17.offset|) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= |#t~string70.offset| 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (= |#t~string65.offset| 0) (= |#t~string1.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string1.offset|) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string9.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (= |#t~string5.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= 0 |#t~string7.offset|) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#t~string23.offset|) (= ~systemActive~0 1) (= |#t~string58.offset| 0) (<= |#t~string69.offset| 0) (= |#t~string19.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string29.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string66.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string60.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= 0 |#t~string25.offset|) (= |#t~string17.offset| 0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string68.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...