java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 06:08:44,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 06:08:44,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 06:08:45,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 06:08:45,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 06:08:45,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 06:08:45,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 06:08:45,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 06:08:45,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 06:08:45,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 06:08:45,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 06:08:45,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 06:08:45,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 06:08:45,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 06:08:45,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 06:08:45,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 06:08:45,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 06:08:45,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 06:08:45,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 06:08:45,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 06:08:45,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 06:08:45,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 06:08:45,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 06:08:45,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 06:08:45,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 06:08:45,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 06:08:45,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 06:08:45,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 06:08:45,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 06:08:45,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 06:08:45,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 06:08:45,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 06:08:45,036 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 06:08:45,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 06:08:45,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 06:08:45,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 06:08:45,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 06:08:45,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 06:08:45,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 06:08:45,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 06:08:45,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 06:08:45,042 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 [2019-09-08 06:08:45,056 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 06:08:45,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 06:08:45,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 06:08:45,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 06:08:45,058 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 06:08:45,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 06:08:45,058 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 06:08:45,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 06:08:45,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 06:08:45,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 06:08:45,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 06:08:45,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 06:08:45,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 06:08:45,060 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 06:08:45,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 06:08:45,060 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 06:08:45,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 06:08:45,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 06:08:45,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 06:08:45,061 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 06:08:45,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 06:08:45,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:08:45,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 06:08:45,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 06:08:45,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 06:08:45,062 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 06:08:45,062 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 06:08:45,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 06:08:45,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 06:08:45,091 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 06:08:45,103 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 06:08:45,107 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 06:08:45,108 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 06:08:45,109 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 06:08:45,109 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product06.cil.c [2019-09-08 06:08:45,170 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f6f42b97/b20a6e63da964a98b972231f49667f90/FLAG38291035c [2019-09-08 06:08:45,685 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 06:08:45,686 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product06.cil.c [2019-09-08 06:08:45,704 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f6f42b97/b20a6e63da964a98b972231f49667f90/FLAG38291035c [2019-09-08 06:08:45,978 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f6f42b97/b20a6e63da964a98b972231f49667f90 [2019-09-08 06:08:45,990 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 06:08:45,991 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 06:08:45,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 06:08:45,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 06:08:45,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 06:08:45,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:08:45" (1/1) ... [2019-09-08 06:08:46,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f070b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:45, skipping insertion in model container [2019-09-08 06:08:46,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:08:45" (1/1) ... [2019-09-08 06:08:46,008 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 06:08:46,072 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 06:08:46,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:08:46,509 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 06:08:46,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:08:46,645 INFO L192 MainTranslator]: Completed translation [2019-09-08 06:08:46,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:46 WrapperNode [2019-09-08 06:08:46,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 06:08:46,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 06:08:46,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 06:08:46,647 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 06:08:46,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:46" (1/1) ... [2019-09-08 06:08:46,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:46" (1/1) ... [2019-09-08 06:08:46,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:46" (1/1) ... [2019-09-08 06:08:46,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:46" (1/1) ... [2019-09-08 06:08:46,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:46" (1/1) ... [2019-09-08 06:08:46,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:46" (1/1) ... [2019-09-08 06:08:46,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:46" (1/1) ... [2019-09-08 06:08:46,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 06:08:46,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 06:08:46,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 06:08:46,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 06:08:46,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:46" (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 [2019-09-08 06:08:46,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 06:08:46,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 06:08:46,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-08 06:08:46,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-08 06:08:46,821 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-08 06:08:46,821 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-08 06:08:46,821 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-08 06:08:46,821 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-08 06:08:46,822 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-08 06:08:46,822 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-08 06:08:46,822 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-08 06:08:46,822 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-08 06:08:46,823 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-08 06:08:46,823 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-08 06:08:46,824 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-08 06:08:46,824 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-08 06:08:46,827 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-08 06:08:46,827 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-08 06:08:46,827 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-08 06:08:46,828 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-08 06:08:46,828 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-08 06:08:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-08 06:08:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-08 06:08:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-08 06:08:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-08 06:08:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-08 06:08:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-08 06:08:46,830 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-08 06:08:46,830 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 06:08:46,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-08 06:08:46,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-08 06:08:46,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-08 06:08:46,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-08 06:08:46,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-08 06:08:46,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-08 06:08:46,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-08 06:08:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 06:08:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 06:08:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-08 06:08:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-08 06:08:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-08 06:08:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-08 06:08:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-08 06:08:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-08 06:08:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-08 06:08:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-08 06:08:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-08 06:08:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-08 06:08:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-08 06:08:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-08 06:08:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-08 06:08:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-08 06:08:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-08 06:08:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-08 06:08:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-08 06:08:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-08 06:08:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-08 06:08:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 06:08:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-08 06:08:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-08 06:08:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-08 06:08:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-08 06:08:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-08 06:08:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-08 06:08:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-08 06:08:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-08 06:08:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 06:08:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-08 06:08:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 06:08:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 06:08:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-08 06:08:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 06:08:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 06:08:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 06:08:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 06:08:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-08 06:08:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 06:08:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-08 06:08:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-08 06:08:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 06:08:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-08 06:08:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-08 06:08:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-08 06:08:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 06:08:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 06:08:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 06:08:47,835 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 06:08:47,836 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-08 06:08:47,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:08:47 BoogieIcfgContainer [2019-09-08 06:08:47,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 06:08:47,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 06:08:47,838 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 06:08:47,841 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 06:08:47,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:08:45" (1/3) ... [2019-09-08 06:08:47,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6595d69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:08:47, skipping insertion in model container [2019-09-08 06:08:47,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:08:46" (2/3) ... [2019-09-08 06:08:47,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6595d69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:08:47, skipping insertion in model container [2019-09-08 06:08:47,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:08:47" (3/3) ... [2019-09-08 06:08:47,845 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product06.cil.c [2019-09-08 06:08:47,854 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 06:08:47,862 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 06:08:47,879 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 06:08:47,916 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 06:08:47,917 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 06:08:47,917 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 06:08:47,917 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 06:08:47,917 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 06:08:47,917 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 06:08:47,918 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 06:08:47,918 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 06:08:47,918 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 06:08:47,940 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2019-09-08 06:08:47,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-08 06:08:47,949 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:47,950 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:08:47,953 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:47,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:47,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1057158692, now seen corresponding path program 1 times [2019-09-08 06:08:47,960 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:47,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:48,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:48,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:48,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:48,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:08:48,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:48,331 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 06:08:48,335 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 06:08:48,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 06:08:48,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:08:48,352 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 2 states. [2019-09-08 06:08:48,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:48,389 INFO L93 Difference]: Finished difference Result 218 states and 271 transitions. [2019-09-08 06:08:48,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 06:08:48,391 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-09-08 06:08:48,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:48,404 INFO L225 Difference]: With dead ends: 218 [2019-09-08 06:08:48,404 INFO L226 Difference]: Without dead ends: 109 [2019-09-08 06:08:48,410 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:08:48,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-09-08 06:08:48,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2019-09-08 06:08:48,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-09-08 06:08:48,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2019-09-08 06:08:48,510 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 52 [2019-09-08 06:08:48,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:48,511 INFO L475 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2019-09-08 06:08:48,511 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 06:08:48,511 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2019-09-08 06:08:48,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-08 06:08:48,515 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:48,515 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:08:48,516 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:48,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:48,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1710283751, now seen corresponding path program 1 times [2019-09-08 06:08:48,516 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:48,517 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:48,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:48,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:48,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:48,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:08:48,633 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:48,633 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:08:48,635 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:08:48,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:08:48,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:08:48,637 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand 3 states. [2019-09-08 06:08:48,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:48,680 INFO L93 Difference]: Finished difference Result 163 states and 189 transitions. [2019-09-08 06:08:48,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:08:48,680 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-08 06:08:48,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:48,683 INFO L225 Difference]: With dead ends: 163 [2019-09-08 06:08:48,683 INFO L226 Difference]: Without dead ends: 100 [2019-09-08 06:08:48,685 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:08:48,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-09-08 06:08:48,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2019-09-08 06:08:48,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-09-08 06:08:48,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2019-09-08 06:08:48,705 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 53 [2019-09-08 06:08:48,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:48,706 INFO L475 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2019-09-08 06:08:48,706 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:08:48,706 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2019-09-08 06:08:48,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-08 06:08:48,712 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:48,712 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:08:48,712 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:48,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:48,713 INFO L82 PathProgramCache]: Analyzing trace with hash -830709307, now seen corresponding path program 1 times [2019-09-08 06:08:48,713 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:48,713 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:48,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:48,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:48,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:48,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:08:48,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:48,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 06:08:48,855 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 06:08:48,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 06:08:48,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:08:48,855 INFO L87 Difference]: Start difference. First operand 100 states and 115 transitions. Second operand 7 states. [2019-09-08 06:08:49,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:49,141 INFO L93 Difference]: Finished difference Result 176 states and 207 transitions. [2019-09-08 06:08:49,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 06:08:49,142 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-09-08 06:08:49,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:49,144 INFO L225 Difference]: With dead ends: 176 [2019-09-08 06:08:49,145 INFO L226 Difference]: Without dead ends: 100 [2019-09-08 06:08:49,146 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-08 06:08:49,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-09-08 06:08:49,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2019-09-08 06:08:49,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-09-08 06:08:49,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2019-09-08 06:08:49,158 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 58 [2019-09-08 06:08:49,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:49,159 INFO L475 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2019-09-08 06:08:49,159 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 06:08:49,159 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2019-09-08 06:08:49,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-09-08 06:08:49,161 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:49,161 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:08:49,162 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:49,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:49,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1834721556, now seen corresponding path program 1 times [2019-09-08 06:08:49,162 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:49,163 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:49,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:49,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:49,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:08:49,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:08:49,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:08:49,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 06:08:49,337 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:08:49,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:08:49,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:08:49,338 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 6 states. [2019-09-08 06:08:49,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:08:49,543 INFO L93 Difference]: Finished difference Result 241 states and 290 transitions. [2019-09-08 06:08:49,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 06:08:49,544 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2019-09-08 06:08:49,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:08:49,547 INFO L225 Difference]: With dead ends: 241 [2019-09-08 06:08:49,548 INFO L226 Difference]: Without dead ends: 165 [2019-09-08 06:08:49,549 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 06:08:49,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2019-09-08 06:08:49,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 163. [2019-09-08 06:08:49,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2019-09-08 06:08:49,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 191 transitions. [2019-09-08 06:08:49,576 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 191 transitions. Word has length 66 [2019-09-08 06:08:49,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:08:49,577 INFO L475 AbstractCegarLoop]: Abstraction has 163 states and 191 transitions. [2019-09-08 06:08:49,577 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:08:49,577 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 191 transitions. [2019-09-08 06:08:49,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-08 06:08:49,579 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:08:49,579 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:08:49,580 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:08:49,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:08:49,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1882239654, now seen corresponding path program 1 times [2019-09-08 06:08:49,580 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:08:49,580 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:08:49,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:49,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:08:49,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:08:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:08:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:08:50,415 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 06:08:50,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:08:50 BoogieIcfgContainer [2019-09-08 06:08:50,571 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 06:08:50,575 INFO L168 Benchmark]: Toolchain (without parser) took 4581.00 ms. Allocated memory was 136.3 MB in the beginning and 254.8 MB in the end (delta: 118.5 MB). Free memory was 91.7 MB in the beginning and 181.9 MB in the end (delta: -90.1 MB). Peak memory consumption was 125.0 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:50,576 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.3 MB. Free memory was 110.9 MB in the beginning and 110.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-08 06:08:50,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 653.19 ms. Allocated memory was 136.3 MB in the beginning and 202.9 MB in the end (delta: 66.6 MB). Free memory was 91.5 MB in the beginning and 169.1 MB in the end (delta: -77.6 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:50,579 INFO L168 Benchmark]: Boogie Preprocessor took 92.10 ms. Allocated memory is still 202.9 MB. Free memory was 169.1 MB in the beginning and 164.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:50,580 INFO L168 Benchmark]: RCFGBuilder took 1098.70 ms. Allocated memory was 202.9 MB in the beginning and 233.3 MB in the end (delta: 30.4 MB). Free memory was 164.8 MB in the beginning and 201.7 MB in the end (delta: -36.9 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:50,581 INFO L168 Benchmark]: TraceAbstraction took 2732.35 ms. Allocated memory was 233.3 MB in the beginning and 254.8 MB in the end (delta: 21.5 MB). Free memory was 201.7 MB in the beginning and 181.9 MB in the end (delta: 19.8 MB). Peak memory consumption was 138.0 MB. Max. memory is 7.1 GB. [2019-09-08 06:08:50,590 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 136.3 MB. Free memory was 110.9 MB in the beginning and 110.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 653.19 ms. Allocated memory was 136.3 MB in the beginning and 202.9 MB in the end (delta: 66.6 MB). Free memory was 91.5 MB in the beginning and 169.1 MB in the end (delta: -77.6 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.10 ms. Allocated memory is still 202.9 MB. Free memory was 169.1 MB in the beginning and 164.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1098.70 ms. Allocated memory was 202.9 MB in the beginning and 233.3 MB in the end (delta: 30.4 MB). Free memory was 164.8 MB in the beginning and 201.7 MB in the end (delta: -36.9 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2732.35 ms. Allocated memory was 233.3 MB in the beginning and 254.8 MB in the end (delta: 21.5 MB). Free memory was 201.7 MB in the beginning and 181.9 MB in the end (delta: 19.8 MB). Peak memory consumption was 138.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L96] int pumpRunning = 0; [L97] int systemActive = 1; [L309] int waterLevel = 1; [L310] int methaneLevelCritical = 0; [L389] int cleanupTimeShifts = 4; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L462] int retValue_acc ; [L463] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L467] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L468] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L469] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L469] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L469] tmp = valid_product() [L471] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L473] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L474] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L456] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L242] int splverifierCounter ; [L243] int tmp ; [L244] int tmp___0 ; [L245] int tmp___1 ; [L246] int tmp___2 ; [L249] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L251] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L253] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L259] tmp = __VERIFIER_nondet_int() [L261] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=4, waterLevel=1] [L263] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L327] COND TRUE waterLevel < 2 [L328] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L263] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=4, waterLevel=2] [L269] tmp___0 = __VERIFIER_nondet_int() [L271] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=4, tmp___0=0, waterLevel=2] [L279] tmp___2 = __VERIFIER_nondet_int() [L281] COND FALSE !(\read(tmp___2)) [L287] tmp___1 = __VERIFIER_nondet_int() [L289] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=4, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L296] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L104] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L111] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L113] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L133] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L136] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L151] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L113] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L119] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L852] int tmp ; [L853] int tmp___0 ; [L854] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L858] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L348] int retValue_acc ; [L351] retValue_acc = methaneLevelCritical [L352] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L858] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L858] tmp = isMethaneLevelCritical() [L860] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L864] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L380] int retValue_acc ; [L383] retValue_acc = waterLevel [L384] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L864] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L864] tmp___0 = getWaterLevel() [L866] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L868] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L185] int retValue_acc ; [L188] retValue_acc = pumpRunning [L189] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L868] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L868] tmp___1 = isPumpRunning() [L870] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L874] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L44] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 211 locations, 1 error locations. UNSAFE Result, 2.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 488 SDtfs, 179 SDslu, 752 SDs, 0 SdLazy, 173 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=163occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 299 NumberOfCodeBlocks, 299 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 21657 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...