/usr/bin/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_spec2_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:46:31,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:46:31,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:46:31,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:46:31,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:46:31,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:46:31,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:46:31,734 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:46:31,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:46:31,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:46:31,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:46:31,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:46:31,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:46:31,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:46:31,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:46:31,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:46:31,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:46:31,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:46:31,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:46:31,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:46:31,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:46:31,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:46:31,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:46:31,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:46:31,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:46:31,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:46:31,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:46:31,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:46:31,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:46:31,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:46:31,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:46:31,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:46:31,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:46:31,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:46:31,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:46:31,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:46:31,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:46:31,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:46:31,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:46:31,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:46:31,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:46:31,783 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 [2019-11-07 10:46:31,815 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:46:31,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:46:31,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:46:31,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:46:31,820 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:46:31,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:46:31,821 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:46:31,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:46:31,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:46:31,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:46:31,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:46:31,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:46:31,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:46:31,822 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:46:31,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:46:31,822 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:46:31,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:46:31,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:46:31,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:46:31,823 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:46:31,823 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:46:31,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:46:31,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:46:31,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:46:31,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:46:31,824 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:46:31,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:46:31,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:46:31,825 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 [2019-11-07 10:46:32,124 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:46:32,137 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:46:32,140 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:46:32,142 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:46:32,142 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:46:32,143 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c [2019-11-07 10:46:32,207 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15c2445c2/e91f7119376149a19412a540209b3c3b/FLAG9dc6911ef [2019-11-07 10:46:32,794 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:46:32,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c [2019-11-07 10:46:32,819 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15c2445c2/e91f7119376149a19412a540209b3c3b/FLAG9dc6911ef [2019-11-07 10:46:33,039 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15c2445c2/e91f7119376149a19412a540209b3c3b [2019-11-07 10:46:33,049 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:46:33,051 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:46:33,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:46:33,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:46:33,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:46:33,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:46:33" (1/1) ... [2019-11-07 10:46:33,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58706db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:33, skipping insertion in model container [2019-11-07 10:46:33,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:46:33" (1/1) ... [2019-11-07 10:46:33,067 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:46:33,106 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:46:33,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:46:33,581 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:46:33,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:46:33,740 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:46:33,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:33 WrapperNode [2019-11-07 10:46:33,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:46:33,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:46:33,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:46:33,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:46:33,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:33" (1/1) ... [2019-11-07 10:46:33,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:33" (1/1) ... [2019-11-07 10:46:33,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:33" (1/1) ... [2019-11-07 10:46:33,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:33" (1/1) ... [2019-11-07 10:46:33,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:33" (1/1) ... [2019-11-07 10:46:33,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:33" (1/1) ... [2019-11-07 10:46:33,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:33" (1/1) ... [2019-11-07 10:46:33,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:46:33,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:46:33,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:46:33,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:46:33,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:33" (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 [2019-11-07 10:46:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:46:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:46:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 10:46:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-11-07 10:46:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-11-07 10:46:33,916 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 10:46:33,916 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 10:46:33,917 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 10:46:33,917 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 10:46:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 10:46:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 10:46:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 10:46:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 10:46:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 10:46:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 10:46:33,920 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 10:46:33,922 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 10:46:33,922 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 10:46:33,922 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 10:46:33,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 10:46:33,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 10:46:33,923 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 10:46:33,923 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 10:46:33,923 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 10:46:33,923 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 10:46:33,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 10:46:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 10:46:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 10:46:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 10:46:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 10:46:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 10:46:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 10:46:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 10:46:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 10:46:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 10:46:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 10:46:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:46:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 10:46:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 10:46:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 10:46:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 10:46:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:46:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:46:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 10:46:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 10:46:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 10:46:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 10:46:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-11-07 10:46:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-11-07 10:46:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 10:46:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 10:46:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 10:46:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 10:46:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 10:46:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 10:46:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:46:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 10:46:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 10:46:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 10:46:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 10:46:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 10:46:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 10:46:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 10:46:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 10:46:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 10:46:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 10:46:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 10:46:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 10:46:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 10:46:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 10:46:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 10:46:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 10:46:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 10:46:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 10:46:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 10:46:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:46:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 10:46:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 10:46:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:46:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 10:46:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 10:46:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:46:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 10:46:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 10:46:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 10:46:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 10:46:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 10:46:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 10:46:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 10:46:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 10:46:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 10:46:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:46:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 10:46:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:46:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 10:46:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:46:35,457 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:46:35,459 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 10:46:35,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:46:35 BoogieIcfgContainer [2019-11-07 10:46:35,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:46:35,461 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:46:35,461 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:46:35,461 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:46:35,463 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:46:35" (1/1) ... [2019-11-07 10:46:35,464 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 [2019-11-07 10:46:35,497 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:46:35,500 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:46:35,514 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:46:35,525 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:46:35,526 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:46:44,966 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-11-07 10:46:46,562 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 10:46:46,726 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 10:46:46,773 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-11-07 10:46:46,826 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-11-07 10:46:46,843 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-11-07 10:46:47,302 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-11-07 10:46:47,622 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-07 10:46:47,908 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2019-11-07 10:46:48,018 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2019-11-07 10:46:48,207 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 195 [2019-11-07 10:46:48,741 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 620 [2019-11-07 10:46:49,521 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 192 [2019-11-07 10:46:50,727 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 199 [2019-11-07 10:46:51,903 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 599 [2019-11-07 10:46:52,065 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 611 [2019-11-07 10:46:52,368 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 611 [2019-11-07 10:46:53,037 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 199 [2019-11-07 10:46:53,367 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-07 10:46:53,619 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-11-07 10:46:54,569 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-07 10:46:54,778 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 187 [2019-11-07 10:46:55,332 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-11-07 10:46:55,546 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-11-07 10:46:55,648 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-11-07 10:46:55,650 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 138 for LOIs [2019-11-07 10:46:55,884 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 132 for LOIs [2019-11-07 10:46:55,889 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 145 for LOIs [2019-11-07 10:46:55,890 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:46:55,906 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:46:55,906 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:46:55,908 INFO L168 Benchmark]: Toolchain (without parser) took 22856.95 ms. Allocated memory was 143.7 MB in the beginning and 694.2 MB in the end (delta: 550.5 MB). Free memory was 100.5 MB in the beginning and 105.4 MB in the end (delta: -4.9 MB). Peak memory consumption was 545.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:46:55,909 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 10:46:55,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.62 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 100.3 MB in the beginning and 165.6 MB in the end (delta: -65.3 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-11-07 10:46:55,911 INFO L168 Benchmark]: Boogie Preprocessor took 94.27 ms. Allocated memory is still 200.8 MB. Free memory was 165.6 MB in the beginning and 161.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-11-07 10:46:55,912 INFO L168 Benchmark]: RCFGBuilder took 1625.27 ms. Allocated memory was 200.8 MB in the beginning and 230.7 MB in the end (delta: 29.9 MB). Free memory was 161.4 MB in the beginning and 143.9 MB in the end (delta: 17.5 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2019-11-07 10:46:55,913 INFO L168 Benchmark]: Sifa took 20445.21 ms. Allocated memory was 230.7 MB in the beginning and 694.2 MB in the end (delta: 463.5 MB). Free memory was 143.9 MB in the beginning and 105.4 MB in the end (delta: 38.5 MB). Peak memory consumption was 502.0 MB. Max. memory is 7.1 GB. [2019-11-07 10:46:55,917 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 688.62 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 100.3 MB in the beginning and 165.6 MB in the end (delta: -65.3 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.27 ms. Allocated memory is still 200.8 MB. Free memory was 165.6 MB in the beginning and 161.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1625.27 ms. Allocated memory was 200.8 MB in the beginning and 230.7 MB in the end (delta: 29.9 MB). Free memory was 161.4 MB in the beginning and 143.9 MB in the end (delta: 17.5 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. * Sifa took 20445.21 ms. Allocated memory was 230.7 MB in the beginning and 694.2 MB in the end (delta: 463.5 MB). Free memory was 143.9 MB in the beginning and 105.4 MB in the end (delta: 38.5 MB). Peak memory consumption was 502.0 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]: 20394, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 53, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 179, TOOLS_POST_TIME[ms]: 11234, TOOLS_POST_CALL_APPLICATIONS: 77, TOOLS_POST_CALL_TIME[ms]: 260, TOOLS_POST_RETURN_APPLICATIONS: 70, TOOLS_POST_RETURN_TIME[ms]: 135, TOOLS_QUANTIFIERELIM_APPLICATIONS: 325, TOOLS_QUANTIFIERELIM_TIME[ms]: 11479, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11117, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 313, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 53, DOMAIN_JOIN_TIME[ms]: 7478, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 852, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 81, DOMAIN_ISBOTTOM_APPLICATIONS: 53, DOMAIN_ISBOTTOM_TIME[ms]: 145, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5979, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5978, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 70, CALL_SUMMARIZER_CACHE_MISSES: 26, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11337, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11335, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 49, DAG_COMPRESSION_PROCESSED_NODES: 645, DAG_COMPRESSION_RETAINED_NODES: 227 - UnprovableResult [Line: 829]: 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 673#(and (not (= 0 ~methAndRunningLastTime~0)) (<= |#t~string58.offset| 0) (= |#t~string55.offset| 0) (<= |#t~string22.offset| 0) (= |#t~string7.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= 0 |#t~string64.offset|) (= |#t~string3.offset| 0) (= |#t~string32.offset| 0) (= |#t~string9.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (= |#NULL.base| 0) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string26.offset|) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 ~methaneLevelCritical~0) (<= |#t~string64.offset| 0) (<= |#t~string11.offset| 0) (<= |#t~string65.offset| 0) (= |#t~string26.offset| 0) (= |#t~string20.offset| 0) (= |#t~string56.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~string64.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) (<= |#t~string63.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string68.offset| 0) (<= 0 |#t~string3.offset|) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (<= |#t~string26.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (= |#t~string34.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= 0 |#t~string32.offset|) (<= |#t~string55.offset| 0) (= |#t~string30.offset| 0) (<= 0 |#t~string11.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (= |#t~string65.offset| 0) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string9.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string11.offset| 0) (= |#t~string24.offset| 0) (= |#t~string5.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= 0 |#t~string7.offset|) (<= |#t~string59.offset| 0) (= |#t~string54.offset| 0) (<= 0 |#t~string54.offset|) (= |#t~string58.offset| 0) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string5.offset|) (<= |#t~string3.offset| 0) (<= |#t~string5.offset| 0) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (= |#t~string22.offset| 0) (<= |#t~string54.offset| 0) (<= 0 |#t~string34.offset|) (<= 0 |#t~string55.offset|) (<= 0 ~methAndRunningLastTime~0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...