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_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 10:28:16,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 10:28:16,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 10:28:16,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 10:28:16,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 10:28:16,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 10:28:16,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 10:28:16,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 10:28:16,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 10:28:16,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 10:28:16,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 10:28:16,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 10:28:16,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 10:28:16,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 10:28:16,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 10:28:16,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 10:28:16,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 10:28:16,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 10:28:16,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 10:28:16,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 10:28:16,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 10:28:16,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 10:28:16,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 10:28:16,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 10:28:16,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 10:28:16,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 10:28:16,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 10:28:16,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 10:28:16,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 10:28:16,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 10:28:16,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 10:28:16,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 10:28:16,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 10:28:16,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 10:28:16,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 10:28:16,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 10:28:16,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 10:28:16,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 10:28:16,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 10:28:16,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 10:28:16,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 10:28:16,253 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 [2019-09-17 10:28:16,277 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 10:28:16,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 10:28:16,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 10:28:16,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 10:28:16,280 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 10:28:16,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 10:28:16,281 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 10:28:16,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 10:28:16,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 10:28:16,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 10:28:16,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 10:28:16,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 10:28:16,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 10:28:16,283 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 10:28:16,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 10:28:16,283 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 10:28:16,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 10:28:16,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 10:28:16,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 10:28:16,284 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 10:28:16,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 10:28:16,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 10:28:16,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 10:28:16,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 10:28:16,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 10:28:16,286 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 10:28:16,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 10:28:16,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 10:28:16,286 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_DDA [2019-09-17 10:28:16,340 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 10:28:16,352 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 10:28:16,356 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 10:28:16,357 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 10:28:16,357 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 10:28:16,359 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c [2019-09-17 10:28:16,418 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2dc350e5/c666d3e77c34443ca1757ed5859d5c67/FLAGf87c683b8 [2019-09-17 10:28:16,962 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 10:28:16,963 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c [2019-09-17 10:28:16,974 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2dc350e5/c666d3e77c34443ca1757ed5859d5c67/FLAGf87c683b8 [2019-09-17 10:28:17,262 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2dc350e5/c666d3e77c34443ca1757ed5859d5c67 [2019-09-17 10:28:17,272 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 10:28:17,273 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 10:28:17,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 10:28:17,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 10:28:17,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 10:28:17,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:28:17" (1/1) ... [2019-09-17 10:28:17,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425f21cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:28:17, skipping insertion in model container [2019-09-17 10:28:17,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:28:17" (1/1) ... [2019-09-17 10:28:17,288 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 10:28:17,342 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 10:28:17,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:28:17,804 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 10:28:17,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:28:17,932 INFO L192 MainTranslator]: Completed translation [2019-09-17 10:28:17,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:28:17 WrapperNode [2019-09-17 10:28:17,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 10:28:17,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 10:28:17,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 10:28:17,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 10:28:17,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:28:17" (1/1) ... [2019-09-17 10:28:17,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:28:17" (1/1) ... [2019-09-17 10:28:17,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:28:17" (1/1) ... [2019-09-17 10:28:17,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:28:17" (1/1) ... [2019-09-17 10:28:17,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:28:17" (1/1) ... [2019-09-17 10:28:18,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:28:17" (1/1) ... [2019-09-17 10:28:18,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:28:17" (1/1) ... [2019-09-17 10:28:18,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 10:28:18,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 10:28:18,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 10:28:18,017 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 10:28:18,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:28:17" (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 [2019-09-17 10:28:18,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 10:28:18,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 10:28:18,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 10:28:18,096 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 10:28:18,097 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 10:28:18,097 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 10:28:18,098 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 10:28:18,098 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 10:28:18,098 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 10:28:18,098 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 10:28:18,099 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 10:28:18,100 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 10:28:18,100 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 10:28:18,100 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 10:28:18,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 10:28:18,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 10:28:18,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 10:28:18,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 10:28:18,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 10:28:18,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 10:28:18,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 10:28:18,104 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 10:28:18,104 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 10:28:18,104 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 10:28:18,104 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 10:28:18,104 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 10:28:18,104 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 10:28:18,105 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 10:28:18,105 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 10:28:18,105 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 10:28:18,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-17 10:28:18,105 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 10:28:18,105 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 10:28:18,105 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 10:28:18,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 10:28:18,106 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 10:28:18,106 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 10:28:18,107 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 10:28:18,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 10:28:18,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 10:28:18,107 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 10:28:18,107 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 10:28:18,107 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 10:28:18,108 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 10:28:18,108 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 10:28:18,108 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 10:28:18,108 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 10:28:18,108 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 10:28:18,108 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 10:28:18,108 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 10:28:18,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-17 10:28:18,109 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 10:28:18,109 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 10:28:18,109 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 10:28:18,109 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 10:28:18,109 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 10:28:18,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 10:28:18,110 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 10:28:18,110 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 10:28:18,110 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 10:28:18,111 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 10:28:18,111 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 10:28:18,111 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 10:28:18,111 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 10:28:18,111 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 10:28:18,111 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 10:28:18,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 10:28:18,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 10:28:18,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 10:28:18,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 10:28:18,112 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 10:28:18,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 10:28:18,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 10:28:18,114 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 10:28:18,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 10:28:18,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 10:28:18,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 10:28:18,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 10:28:18,115 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 10:28:18,115 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 10:28:18,116 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 10:28:18,116 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 10:28:18,116 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 10:28:18,117 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 10:28:18,117 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 10:28:18,117 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 10:28:18,117 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 10:28:18,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 10:28:18,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 10:28:18,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 10:28:19,818 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 10:28:19,818 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 10:28:19,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:28:19 BoogieIcfgContainer [2019-09-17 10:28:19,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 10:28:19,820 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 10:28:19,820 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 10:28:19,821 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 10:28:19,822 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:28:19" (1/1) ... [2019-09-17 10:28:19,823 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-17 10:28:19,847 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 10:28:19,847 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 10:28:19,856 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 10:28:19,865 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 10:28:19,867 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 10:28:44,437 WARN L191 SmtUtils]: Spent 14.48 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-17 10:28:46,191 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 10:28:50,001 WARN L191 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-17 10:28:50,269 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-17 10:28:50,280 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 112 for LOIs [2019-09-17 10:28:50,338 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 112 for LOIs [2019-09-17 10:28:50,342 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 112 for LOIs [2019-09-17 10:28:50,743 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-17 10:28:51,050 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-17 10:28:51,417 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-17 10:28:51,749 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-17 10:28:52,674 WARN L191 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 125 [2019-09-17 10:28:53,563 WARN L191 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 125 [2019-09-17 10:28:54,171 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:28:54,485 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:28:55,410 WARN L191 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-17 10:28:55,745 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:28:56,055 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:28:56,394 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:28:56,696 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:28:57,619 WARN L191 SmtUtils]: Spent 915.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-17 10:28:57,928 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:28:58,234 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:28:58,616 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:28:58,923 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:28:59,814 WARN L191 SmtUtils]: Spent 883.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-17 10:29:00,139 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:29:00,452 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:29:00,783 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:29:01,091 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:29:02,003 WARN L191 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-17 10:29:02,312 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:29:02,620 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 10:29:02,638 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-17 10:29:02,640 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 106 for LOIs [2019-09-17 10:29:02,868 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-17 10:29:03,523 WARN L191 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2019-09-17 10:29:03,741 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-17 10:29:03,743 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 100 for LOIs [2019-09-17 10:29:03,749 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 100 for LOIs [2019-09-17 10:29:03,973 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-17 10:29:03,973 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 10:29:03,974 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 10:29:03,976 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 333#(and (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= |#t~string16.offset| 0) (<= 0 |#t~string64.offset|) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string46.offset|) (<= |#t~string70.offset| 0) (<= |#t~string56.offset| 0) (<= |#t~string51.offset| 0) (<= 0 |#t~string51.offset|) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= 0 |#t~string10.offset|) (<= |#t~string6.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string18.offset| 0) (<= |#t~string45.offset| 0) (<= |#t~string47.offset| 0) (<= 0 |#t~string43.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string14.offset| 0) (<= 0 |#t~string53.offset|) (<= |#t~string66.offset| 0) (<= |#t~string42.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#NULL.offset|) (<= 0 |#t~string72.offset|) (<= ~cleanupTimeShifts~0 4) (<= |#t~string43.offset| 0) (<= 0 |#t~string16.offset|) (<= 0 |#t~string47.offset|) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string14.offset|) (<= |#t~string46.offset| 0) (<= 0 |#t~string12.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string12.offset| 0) (<= |#t~string72.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string68.offset| 0) (<= |#t~string4.offset| 0) (<= 0 |#t~string68.offset|) (<= |#t~string8.offset| 0)) [2019-09-17 10:29:03,995 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 10:29:03,996 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 10:29:03,998 INFO L168 Benchmark]: Toolchain (without parser) took 46724.31 ms. Allocated memory was 132.6 MB in the beginning and 568.3 MB in the end (delta: 435.7 MB). Free memory was 85.9 MB in the beginning and 463.7 MB in the end (delta: -377.8 MB). Peak memory consumption was 57.9 MB. Max. memory is 7.1 GB. [2019-09-17 10:29:03,998 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-17 10:29:03,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.56 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 85.7 MB in the beginning and 164.3 MB in the end (delta: -78.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-09-17 10:29:04,000 INFO L168 Benchmark]: Boogie Preprocessor took 82.84 ms. Allocated memory is still 199.8 MB. Free memory was 164.3 MB in the beginning and 160.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-17 10:29:04,001 INFO L168 Benchmark]: RCFGBuilder took 1803.09 ms. Allocated memory was 199.8 MB in the beginning and 223.9 MB in the end (delta: 24.1 MB). Free memory was 160.0 MB in the beginning and 145.7 MB in the end (delta: 14.3 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. [2019-09-17 10:29:04,002 INFO L168 Benchmark]: Sifa took 44175.47 ms. Allocated memory was 223.9 MB in the beginning and 568.3 MB in the end (delta: 344.5 MB). Free memory was 145.7 MB in the beginning and 463.7 MB in the end (delta: -318.1 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-09-17 10:29:04,006 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 659.56 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 85.7 MB in the beginning and 164.3 MB in the end (delta: -78.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.84 ms. Allocated memory is still 199.8 MB. Free memory was 164.3 MB in the beginning and 160.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1803.09 ms. Allocated memory was 199.8 MB in the beginning and 223.9 MB in the end (delta: 24.1 MB). Free memory was 160.0 MB in the beginning and 145.7 MB in the end (delta: 14.3 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. * Sifa took 44175.47 ms. Allocated memory was 223.9 MB in the beginning and 568.3 MB in the end (delta: 344.5 MB). Free memory was 145.7 MB in the beginning and 463.7 MB in the end (delta: -318.1 MB). Peak memory consumption was 26.4 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]: 44129, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 213, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 139, TOOLS_POST_TIME[ms]: 30132, TOOLS_POST_CALL_APPLICATIONS: 62, TOOLS_POST_CALL_TIME[ms]: 154, TOOLS_POST_RETURN_APPLICATIONS: 55, TOOLS_POST_RETURN_TIME[ms]: 51, TOOLS_QUANTIFIERELIM_APPLICATIONS: 255, TOOLS_QUANTIFIERELIM_TIME[ms]: 30259, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 30073, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 217, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 73, DOMAIN_JOIN_TIME[ms]: 13508, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 6, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 42, DOMAIN_ISBOTTOM_TIME[ms]: 131, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 9046, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9045, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 55, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 30650, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 30649, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 32, DAG_COMPRESSION_PROCESSED_NODES: 398, DAG_COMPRESSION_RETAINED_NODES: 192 - UnprovableResult [Line: 300]: 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 333#(and (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (<= |#t~string52.offset| 0) (<= |#t~string16.offset| 0) (<= 0 |#t~string64.offset|) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string46.offset|) (<= |#t~string70.offset| 0) (<= |#t~string56.offset| 0) (<= |#t~string51.offset| 0) (<= 0 |#t~string51.offset|) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= 0 |#t~string10.offset|) (<= |#t~string6.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string18.offset| 0) (<= |#t~string45.offset| 0) (<= |#t~string47.offset| 0) (<= 0 |#t~string43.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string14.offset| 0) (<= 0 |#t~string53.offset|) (<= |#t~string66.offset| 0) (<= |#t~string42.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#NULL.offset|) (<= 0 |#t~string72.offset|) (<= ~cleanupTimeShifts~0 4) (<= |#t~string43.offset| 0) (<= 0 |#t~string16.offset|) (<= 0 |#t~string47.offset|) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string14.offset|) (<= |#t~string46.offset| 0) (<= 0 |#t~string12.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string12.offset| 0) (<= |#t~string72.offset| 0) (<= 0 |#t~string55.offset|) (<= |#t~string68.offset| 0) (<= |#t~string4.offset| 0) (<= 0 |#t~string68.offset|) (<= |#t~string8.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...