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_spec1_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:33:43,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:33:43,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:33:44,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:33:44,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:33:44,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:33:44,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:33:44,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:33:44,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:33:44,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:33:44,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:33:44,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:33:44,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:33:44,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:33:44,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:33:44,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:33:44,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:33:44,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:33:44,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:33:44,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:33:44,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:33:44,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:33:44,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:33:44,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:33:44,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:33:44,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:33:44,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:33:44,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:33:44,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:33:44,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:33:44,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:33:44,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:33:44,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:33:44,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:33:44,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:33:44,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:33:44,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:33:44,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:33:44,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:33:44,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:33:44,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:33:44,051 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 [2019-09-20 16:33:44,076 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:33:44,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:33:44,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:33:44,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:33:44,078 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:33:44,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:33:44,078 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:33:44,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:33:44,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:33:44,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:33:44,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:33:44,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:33:44,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:33:44,080 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:33:44,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:33:44,080 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:33:44,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:33:44,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:33:44,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:33:44,081 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:33:44,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:33:44,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:33:44,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:33:44,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:33:44,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:33:44,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:33:44,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:33:44,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:33:44,083 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 [2019-09-20 16:33:44,113 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:33:44,124 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:33:44,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:33:44,129 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:33:44,129 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:33:44,130 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product61.cil.c [2019-09-20 16:33:44,189 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f62ad353/e7f3736b15f44ecfb3d0fa76ee4a71e8/FLAG1f97791a8 [2019-09-20 16:33:44,745 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:33:44,746 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product61.cil.c [2019-09-20 16:33:44,763 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f62ad353/e7f3736b15f44ecfb3d0fa76ee4a71e8/FLAG1f97791a8 [2019-09-20 16:33:45,017 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f62ad353/e7f3736b15f44ecfb3d0fa76ee4a71e8 [2019-09-20 16:33:45,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:33:45,029 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:33:45,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:33:45,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:33:45,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:33:45,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:33:45" (1/1) ... [2019-09-20 16:33:45,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4ad246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:33:45, skipping insertion in model container [2019-09-20 16:33:45,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:33:45" (1/1) ... [2019-09-20 16:33:45,047 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:33:45,114 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:33:45,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:33:45,602 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:33:45,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:33:45,727 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:33:45,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:33:45 WrapperNode [2019-09-20 16:33:45,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:33:45,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:33:45,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:33:45,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:33:45,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:33:45" (1/1) ... [2019-09-20 16:33:45,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:33:45" (1/1) ... [2019-09-20 16:33:45,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:33:45" (1/1) ... [2019-09-20 16:33:45,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:33:45" (1/1) ... [2019-09-20 16:33:45,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:33:45" (1/1) ... [2019-09-20 16:33:45,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:33:45" (1/1) ... [2019-09-20 16:33:45,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:33:45" (1/1) ... [2019-09-20 16:33:45,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:33:45,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:33:45,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:33:45,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:33:45,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:33:45" (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 [2019-09-20 16:33:45,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:33:45,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:33:45,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 16:33:45,921 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 16:33:45,921 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 16:33:45,921 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 16:33:45,921 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 16:33:45,922 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 16:33:45,922 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 16:33:45,922 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 16:33:45,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 16:33:45,922 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 16:33:45,922 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 16:33:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 16:33:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 16:33:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 16:33:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 16:33:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 16:33:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 16:33:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 16:33:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 16:33:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:33:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 16:33:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 16:33:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 16:33:45,925 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 16:33:45,925 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 16:33:45,925 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 16:33:45,925 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 16:33:45,925 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 16:33:45,925 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 16:33:45,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 16:33:45,926 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 16:33:45,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 16:33:45,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 16:33:45,926 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 16:33:45,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 16:33:45,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 16:33:45,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 16:33:45,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 16:33:45,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 16:33:45,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 16:33:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:33:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:33:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 16:33:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 16:33:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 16:33:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 16:33:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 16:33:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 16:33:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 16:33:45,929 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 16:33:45,929 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 16:33:45,929 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 16:33:45,929 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 16:33:45,929 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 16:33:45,929 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 16:33:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 16:33:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 16:33:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 16:33:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 16:33:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 16:33:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 16:33:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 16:33:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 16:33:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 16:33:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 16:33:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 16:33:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:33:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 16:33:45,932 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 16:33:45,932 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 16:33:45,932 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 16:33:45,932 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 16:33:45,932 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 16:33:45,932 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 16:33:45,932 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 16:33:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 16:33:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 16:33:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 16:33:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 16:33:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 16:33:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 16:33:45,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 16:33:45,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 16:33:45,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 16:33:45,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 16:33:45,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 16:33:45,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 16:33:45,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 16:33:45,935 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 16:33:45,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 16:33:45,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 16:33:45,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 16:33:45,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 16:33:45,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:33:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 16:33:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:33:47,426 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:33:47,427 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 16:33:47,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:33:47 BoogieIcfgContainer [2019-09-20 16:33:47,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:33:47,429 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:33:47,429 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:33:47,429 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:33:47,431 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:33:47" (1/1) ... [2019-09-20 16:33:47,432 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 [2019-09-20 16:33:47,459 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:33:47,459 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:33:47,468 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:33:47,477 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:33:47,478 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:34:09,291 WARN L191 SmtUtils]: Spent 12.88 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 16:34:11,195 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 16:34:15,150 WARN L191 SmtUtils]: Spent 3.95 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-20 16:34:15,422 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 16:34:15,434 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 112 for LOIs [2019-09-20 16:34:15,490 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 112 for LOIs [2019-09-20 16:34:15,494 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 112 for LOIs [2019-09-20 16:34:16,439 WARN L191 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 121 [2019-09-20 16:34:17,346 WARN L191 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 121 [2019-09-20 16:34:17,721 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-20 16:34:18,400 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 16:34:19,406 WARN L191 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-20 16:34:19,720 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 16:34:20,050 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 16:34:20,458 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 16:34:21,368 WARN L191 SmtUtils]: Spent 891.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-20 16:34:21,696 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 16:34:22,048 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 16:34:22,362 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-20 16:34:22,713 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 16:34:23,638 WARN L191 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-20 16:34:23,967 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 16:34:24,294 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 16:34:24,632 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 16:34:25,569 WARN L191 SmtUtils]: Spent 927.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-20 16:34:25,881 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 16:34:26,190 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 16:34:26,204 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-20 16:34:26,207 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 106 for LOIs [2019-09-20 16:34:26,926 WARN L191 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 100 [2019-09-20 16:34:27,164 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 16:34:27,166 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 100 for LOIs [2019-09-20 16:34:27,173 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 100 for LOIs [2019-09-20 16:34:27,422 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 16:34:27,423 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:34:27,423 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:34:27,426 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 371#(and (<= 0 |#t~string62.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= 0 |#t~string63.offset|) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= |#t~string73.offset| 0) (<= 0 |#t~string64.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= 0 |#t~string59.offset|) (<= |#t~string24.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string26.offset|) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= |#t~string71.offset| 0) (<= |#t~string6.offset| 0) (<= |#t~string64.offset| 0) (<= 0 |#t~string61.offset|) (<= 0 |#t~string2.offset|) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= 0 |#t~string72.offset|) (<= ~cleanupTimeShifts~0 4) (<= |#t~string62.offset| 0) (<= 0 |#t~string73.offset|) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string71.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= 0 |#t~string34.offset|) (<= |#t~string72.offset| 0) (<= |#t~string2.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string24.offset|) (<= |#t~string4.offset| 0) (<= |#t~string26.offset| 0) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|) (<= |#t~string8.offset| 0) (<= 0 |#t~string28.offset|)) [2019-09-20 16:34:27,444 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:34:27,444 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:34:27,446 INFO L168 Benchmark]: Toolchain (without parser) took 42416.54 ms. Allocated memory was 137.9 MB in the beginning and 593.5 MB in the end (delta: 455.6 MB). Free memory was 84.2 MB in the beginning and 513.8 MB in the end (delta: -429.6 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-09-20 16:34:27,447 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:34:27,448 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.44 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 84.0 MB in the beginning and 163.0 MB in the end (delta: -79.0 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-09-20 16:34:27,449 INFO L168 Benchmark]: Boogie Preprocessor took 127.31 ms. Allocated memory is still 198.2 MB. Free memory was 163.0 MB in the beginning and 159.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-20 16:34:27,449 INFO L168 Benchmark]: RCFGBuilder took 1572.73 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 158.5 MB in the beginning and 136.3 MB in the end (delta: 22.2 MB). Peak memory consumption was 93.1 MB. Max. memory is 7.1 GB. [2019-09-20 16:34:27,450 INFO L168 Benchmark]: Sifa took 40015.42 ms. Allocated memory was 219.2 MB in the beginning and 593.5 MB in the end (delta: 374.3 MB). Free memory was 136.3 MB in the beginning and 513.8 MB in the end (delta: -377.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 16:34:27,454 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 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 697.44 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 84.0 MB in the beginning and 163.0 MB in the end (delta: -79.0 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.31 ms. Allocated memory is still 198.2 MB. Free memory was 163.0 MB in the beginning and 159.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1572.73 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 158.5 MB in the beginning and 136.3 MB in the end (delta: 22.2 MB). Peak memory consumption was 93.1 MB. Max. memory is 7.1 GB. * Sifa took 40015.42 ms. Allocated memory was 219.2 MB in the beginning and 593.5 MB in the end (delta: 374.3 MB). Free memory was 136.3 MB in the beginning and 513.8 MB in the end (delta: -377.5 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]: 39967, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 239, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 157, TOOLS_POST_TIME[ms]: 27678, TOOLS_POST_CALL_APPLICATIONS: 70, TOOLS_POST_CALL_TIME[ms]: 149, TOOLS_POST_RETURN_APPLICATIONS: 63, TOOLS_POST_RETURN_TIME[ms]: 91, TOOLS_QUANTIFIERELIM_APPLICATIONS: 289, TOOLS_QUANTIFIERELIM_TIME[ms]: 27826, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 27612, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 243, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 77, DOMAIN_JOIN_TIME[ms]: 11810, 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]: 10, DOMAIN_ISBOTTOM_APPLICATIONS: 41, DOMAIN_ISBOTTOM_TIME[ms]: 89, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8159, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8158, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 63, CALL_SUMMARIZER_CACHE_MISSES: 29, CALL_SUMMARIZER_OVERALL_TIME[ms]: 28349, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 28348, 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: 419, DAG_COMPRESSION_RETAINED_NODES: 223 - UnprovableResult [Line: 193]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 371#(and (<= 0 |#t~string62.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= 0 |#t~string63.offset|) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= |#t~string73.offset| 0) (<= 0 |#t~string64.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= 0 |#t~string59.offset|) (<= |#t~string24.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 |#t~string26.offset|) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= |#t~string71.offset| 0) (<= |#t~string6.offset| 0) (<= |#t~string64.offset| 0) (<= 0 |#t~string61.offset|) (<= 0 |#t~string2.offset|) (<= |#t~string61.offset| 0) (<= |#t~string59.offset| 0) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= 0 |#t~string72.offset|) (<= ~cleanupTimeShifts~0 4) (<= |#t~string62.offset| 0) (<= 0 |#t~string73.offset|) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string71.offset|) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (<= 0 |#t~string34.offset|) (<= |#t~string72.offset| 0) (<= |#t~string2.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string24.offset|) (<= |#t~string4.offset| 0) (<= |#t~string26.offset| 0) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|) (<= |#t~string8.offset| 0) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...