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_spec2_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 06:07:31,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 06:07:31,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 06:07:31,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 06:07:31,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 06:07:31,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 06:07:31,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 06:07:31,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 06:07:31,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 06:07:31,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 06:07:31,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 06:07:31,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 06:07:31,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 06:07:31,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 06:07:31,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 06:07:31,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 06:07:31,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 06:07:31,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 06:07:31,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 06:07:31,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 06:07:31,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 06:07:31,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 06:07:31,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 06:07:31,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 06:07:31,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 06:07:31,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 06:07:31,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 06:07:31,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 06:07:31,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 06:07:31,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 06:07:31,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 06:07:31,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 06:07:31,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 06:07:31,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 06:07:31,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 06:07:31,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 06:07:31,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 06:07:31,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 06:07:31,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 06:07:31,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 06:07:31,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 06:07:31,146 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 06:07:31,175 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 06:07:31,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 06:07:31,177 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 06:07:31,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 06:07:31,177 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 06:07:31,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 06:07:31,178 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 06:07:31,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 06:07:31,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 06:07:31,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 06:07:31,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 06:07:31,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 06:07:31,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 06:07:31,180 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 06:07:31,181 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 06:07:31,181 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 06:07:31,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 06:07:31,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 06:07:31,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 06:07:31,182 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 06:07:31,182 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 06:07:31,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:07:31,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 06:07:31,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 06:07:31,183 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 06:07:31,183 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 06:07:31,183 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 06:07:31,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 06:07:31,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 06:07:31,218 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 06:07:31,231 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 06:07:31,236 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 06:07:31,237 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 06:07:31,237 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 06:07:31,238 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product34.cil.c [2019-09-08 06:07:31,292 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2102ac45c/d62833ce546a4058b1201f569b84ed78/FLAGba6a9d9f4 [2019-09-08 06:07:31,756 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 06:07:31,756 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product34.cil.c [2019-09-08 06:07:31,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2102ac45c/d62833ce546a4058b1201f569b84ed78/FLAGba6a9d9f4 [2019-09-08 06:07:32,070 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2102ac45c/d62833ce546a4058b1201f569b84ed78 [2019-09-08 06:07:32,080 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 06:07:32,082 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 06:07:32,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 06:07:32,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 06:07:32,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 06:07:32,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:07:32" (1/1) ... [2019-09-08 06:07:32,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55a4700a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:07:32, skipping insertion in model container [2019-09-08 06:07:32,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:07:32" (1/1) ... [2019-09-08 06:07:32,099 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 06:07:32,166 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 06:07:32,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:07:32,618 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 06:07:32,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:07:32,760 INFO L192 MainTranslator]: Completed translation [2019-09-08 06:07:32,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:07:32 WrapperNode [2019-09-08 06:07:32,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 06:07:32,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 06:07:32,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 06:07:32,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 06:07:32,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:07:32" (1/1) ... [2019-09-08 06:07:32,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:07:32" (1/1) ... [2019-09-08 06:07:32,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:07:32" (1/1) ... [2019-09-08 06:07:32,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:07:32" (1/1) ... [2019-09-08 06:07:32,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:07:32" (1/1) ... [2019-09-08 06:07:32,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:07:32" (1/1) ... [2019-09-08 06:07:32,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:07:32" (1/1) ... [2019-09-08 06:07:32,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 06:07:32,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 06:07:32,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 06:07:32,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 06:07:32,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:07:32" (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 06:07:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 06:07:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 06:07:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-08 06:07:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-08 06:07:32,923 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-08 06:07:32,924 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-08 06:07:32,924 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-08 06:07:32,924 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 06:07:32,924 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-08 06:07:32,924 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-08 06:07:32,924 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-08 06:07:32,925 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-08 06:07:32,925 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-08 06:07:32,925 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-08 06:07:32,925 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-08 06:07:32,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-08 06:07:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-08 06:07:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-08 06:07:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-08 06:07:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-08 06:07:32,926 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-08 06:07:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-08 06:07:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-08 06:07:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-08 06:07:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-08 06:07:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-08 06:07:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-08 06:07:32,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-08 06:07:32,928 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-08 06:07:32,928 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-08 06:07:32,928 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-08 06:07:32,928 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-08 06:07:32,928 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-08 06:07:32,929 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-08 06:07:32,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-08 06:07:32,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-08 06:07:32,929 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-08 06:07:32,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-08 06:07:32,929 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-08 06:07:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 06:07:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 06:07:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-08 06:07:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-08 06:07:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-08 06:07:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-08 06:07:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-08 06:07:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-08 06:07:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-08 06:07:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-08 06:07:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-08 06:07:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-08 06:07:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-08 06:07:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-08 06:07:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-08 06:07:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-08 06:07:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 06:07:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-08 06:07:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-08 06:07:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-08 06:07:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-08 06:07:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-08 06:07:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 06:07:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-08 06:07:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-08 06:07:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-08 06:07:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-08 06:07:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-08 06:07:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 06:07:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 06:07:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-08 06:07:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 06:07:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 06:07:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 06:07:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 06:07:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-08 06:07:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 06:07:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-08 06:07:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-08 06:07:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 06:07:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-08 06:07:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-08 06:07:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-08 06:07:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-08 06:07:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-08 06:07:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-08 06:07:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-08 06:07:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-08 06:07:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-08 06:07:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-08 06:07:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 06:07:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 06:07:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 06:07:33,947 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 06:07:33,949 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-08 06:07:33,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:07:33 BoogieIcfgContainer [2019-09-08 06:07:33,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 06:07:33,952 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 06:07:33,952 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 06:07:33,956 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 06:07:33,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:07:32" (1/3) ... [2019-09-08 06:07:33,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4263f868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:07:33, skipping insertion in model container [2019-09-08 06:07:33,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:07:32" (2/3) ... [2019-09-08 06:07:33,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4263f868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:07:33, skipping insertion in model container [2019-09-08 06:07:33,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:07:33" (3/3) ... [2019-09-08 06:07:33,961 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product34.cil.c [2019-09-08 06:07:33,972 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 06:07:33,983 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 06:07:34,000 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 06:07:34,045 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 06:07:34,046 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 06:07:34,046 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 06:07:34,046 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 06:07:34,047 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 06:07:34,047 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 06:07:34,047 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 06:07:34,047 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 06:07:34,047 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 06:07:34,065 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2019-09-08 06:07:34,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-08 06:07:34,074 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:07:34,075 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] [2019-09-08 06:07:34,078 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:07:34,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:07:34,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1720198034, now seen corresponding path program 1 times [2019-09-08 06:07:34,086 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:07:34,087 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:07:34,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:34,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:07:34,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:07:34,443 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 06:07:34,446 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:07:34,447 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 06:07:34,451 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 06:07:34,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 06:07:34,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:07:34,470 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 2 states. [2019-09-08 06:07:34,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:07:34,510 INFO L93 Difference]: Finished difference Result 224 states and 279 transitions. [2019-09-08 06:07:34,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 06:07:34,512 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-09-08 06:07:34,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:07:34,524 INFO L225 Difference]: With dead ends: 224 [2019-09-08 06:07:34,525 INFO L226 Difference]: Without dead ends: 114 [2019-09-08 06:07:34,529 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 06:07:34,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-09-08 06:07:34,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-09-08 06:07:34,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-09-08 06:07:34,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2019-09-08 06:07:34,581 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 51 [2019-09-08 06:07:34,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:07:34,582 INFO L475 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2019-09-08 06:07:34,582 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 06:07:34,582 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2019-09-08 06:07:34,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-08 06:07:34,585 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:07:34,586 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 06:07:34,586 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:07:34,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:07:34,587 INFO L82 PathProgramCache]: Analyzing trace with hash 220132220, now seen corresponding path program 1 times [2019-09-08 06:07:34,587 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:07:34,587 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:07:34,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:34,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:07:34,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:07:34,715 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 06:07:34,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:07:34,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:07:34,718 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:07:34,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:07:34,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:07:34,719 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 3 states. [2019-09-08 06:07:34,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:07:34,739 INFO L93 Difference]: Finished difference Result 169 states and 197 transitions. [2019-09-08 06:07:34,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:07:34,739 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-09-08 06:07:34,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:07:34,742 INFO L225 Difference]: With dead ends: 169 [2019-09-08 06:07:34,742 INFO L226 Difference]: Without dead ends: 105 [2019-09-08 06:07:34,743 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 06:07:34,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-09-08 06:07:34,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-09-08 06:07:34,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-09-08 06:07:34,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2019-09-08 06:07:34,756 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 52 [2019-09-08 06:07:34,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:07:34,756 INFO L475 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2019-09-08 06:07:34,756 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:07:34,757 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2019-09-08 06:07:34,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-08 06:07:34,759 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:07:34,759 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] [2019-09-08 06:07:34,759 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:07:34,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:07:34,760 INFO L82 PathProgramCache]: Analyzing trace with hash 889380391, now seen corresponding path program 1 times [2019-09-08 06:07:34,760 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:07:34,760 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:07:34,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:34,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:07:34,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:07:34,888 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 06:07:34,889 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:07:34,889 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 06:07:34,889 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 06:07:34,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 06:07:34,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:07:34,890 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 7 states. [2019-09-08 06:07:35,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:07:35,177 INFO L93 Difference]: Finished difference Result 182 states and 215 transitions. [2019-09-08 06:07:35,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 06:07:35,178 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-09-08 06:07:35,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:07:35,180 INFO L225 Difference]: With dead ends: 182 [2019-09-08 06:07:35,180 INFO L226 Difference]: Without dead ends: 105 [2019-09-08 06:07:35,181 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 06:07:35,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-09-08 06:07:35,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-09-08 06:07:35,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-09-08 06:07:35,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 120 transitions. [2019-09-08 06:07:35,204 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 120 transitions. Word has length 57 [2019-09-08 06:07:35,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:07:35,205 INFO L475 AbstractCegarLoop]: Abstraction has 105 states and 120 transitions. [2019-09-08 06:07:35,205 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 06:07:35,205 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 120 transitions. [2019-09-08 06:07:35,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-08 06:07:35,213 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:07:35,214 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] [2019-09-08 06:07:35,214 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:07:35,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:07:35,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1390934310, now seen corresponding path program 1 times [2019-09-08 06:07:35,215 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:07:35,215 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:07:35,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:35,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:07:35,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:07:35,380 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 06:07:35,381 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:07:35,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 06:07:35,383 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 06:07:35,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 06:07:35,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 06:07:35,384 INFO L87 Difference]: Start difference. First operand 105 states and 120 transitions. Second operand 5 states. [2019-09-08 06:07:35,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:07:35,847 INFO L93 Difference]: Finished difference Result 272 states and 329 transitions. [2019-09-08 06:07:35,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 06:07:35,847 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-09-08 06:07:35,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:07:35,850 INFO L225 Difference]: With dead ends: 272 [2019-09-08 06:07:35,850 INFO L226 Difference]: Without dead ends: 195 [2019-09-08 06:07:35,851 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:07:35,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2019-09-08 06:07:35,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 176. [2019-09-08 06:07:35,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2019-09-08 06:07:35,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 203 transitions. [2019-09-08 06:07:35,873 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 203 transitions. Word has length 65 [2019-09-08 06:07:35,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:07:35,873 INFO L475 AbstractCegarLoop]: Abstraction has 176 states and 203 transitions. [2019-09-08 06:07:35,873 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 06:07:35,874 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 203 transitions. [2019-09-08 06:07:35,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-08 06:07:35,875 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:07:35,875 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:07:35,876 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:07:35,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:07:35,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1075030192, now seen corresponding path program 1 times [2019-09-08 06:07:35,876 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:07:35,876 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:07:35,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:35,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:07:35,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:07:35,983 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 06:07:35,984 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:07:35,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-08 06:07:35,984 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 06:07:35,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 06:07:35,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 06:07:35,986 INFO L87 Difference]: Start difference. First operand 176 states and 203 transitions. Second operand 8 states. [2019-09-08 06:07:36,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:07:36,030 INFO L93 Difference]: Finished difference Result 331 states and 393 transitions. [2019-09-08 06:07:36,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 06:07:36,030 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2019-09-08 06:07:36,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:07:36,037 INFO L225 Difference]: With dead ends: 331 [2019-09-08 06:07:36,037 INFO L226 Difference]: Without dead ends: 183 [2019-09-08 06:07:36,041 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 06:07:36,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2019-09-08 06:07:36,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 180. [2019-09-08 06:07:36,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2019-09-08 06:07:36,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 207 transitions. [2019-09-08 06:07:36,084 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 207 transitions. Word has length 79 [2019-09-08 06:07:36,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:07:36,085 INFO L475 AbstractCegarLoop]: Abstraction has 180 states and 207 transitions. [2019-09-08 06:07:36,085 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 06:07:36,086 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 207 transitions. [2019-09-08 06:07:36,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-08 06:07:36,088 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:07:36,088 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:07:36,088 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:07:36,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:07:36,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1584503282, now seen corresponding path program 1 times [2019-09-08 06:07:36,089 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:07:36,089 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:07:36,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:36,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:07:36,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:07:36,242 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 06:07:36,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:07:36,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 06:07:36,243 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:07:36,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:07:36,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:07:36,244 INFO L87 Difference]: Start difference. First operand 180 states and 207 transitions. Second operand 6 states. [2019-09-08 06:07:36,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:07:36,461 INFO L93 Difference]: Finished difference Result 466 states and 554 transitions. [2019-09-08 06:07:36,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 06:07:36,465 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2019-09-08 06:07:36,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:07:36,470 INFO L225 Difference]: With dead ends: 466 [2019-09-08 06:07:36,470 INFO L226 Difference]: Without dead ends: 314 [2019-09-08 06:07:36,472 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 06:07:36,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2019-09-08 06:07:36,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 308. [2019-09-08 06:07:36,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-09-08 06:07:36,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 354 transitions. [2019-09-08 06:07:36,521 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 354 transitions. Word has length 79 [2019-09-08 06:07:36,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:07:36,525 INFO L475 AbstractCegarLoop]: Abstraction has 308 states and 354 transitions. [2019-09-08 06:07:36,525 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:07:36,525 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 354 transitions. [2019-09-08 06:07:36,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-09-08 06:07:36,528 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:07:36,529 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:07:36,529 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:07:36,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:07:36,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1898506966, now seen corresponding path program 1 times [2019-09-08 06:07:36,530 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:07:36,530 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:07:36,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:36,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:07:36,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:07:36,659 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 06:07:36,660 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:07:36,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 06:07:36,661 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 06:07:36,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 06:07:36,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:07:36,661 INFO L87 Difference]: Start difference. First operand 308 states and 354 transitions. Second operand 7 states. [2019-09-08 06:07:37,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:07:37,197 INFO L93 Difference]: Finished difference Result 619 states and 733 transitions. [2019-09-08 06:07:37,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-08 06:07:37,198 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2019-09-08 06:07:37,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:07:37,201 INFO L225 Difference]: With dead ends: 619 [2019-09-08 06:07:37,201 INFO L226 Difference]: Without dead ends: 339 [2019-09-08 06:07:37,203 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-08 06:07:37,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2019-09-08 06:07:37,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 307. [2019-09-08 06:07:37,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2019-09-08 06:07:37,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 351 transitions. [2019-09-08 06:07:37,225 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 351 transitions. Word has length 83 [2019-09-08 06:07:37,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:07:37,225 INFO L475 AbstractCegarLoop]: Abstraction has 307 states and 351 transitions. [2019-09-08 06:07:37,226 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 06:07:37,226 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 351 transitions. [2019-09-08 06:07:37,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-09-08 06:07:37,227 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:07:37,227 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:07:37,228 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:07:37,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:07:37,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1613023294, now seen corresponding path program 1 times [2019-09-08 06:07:37,228 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:07:37,228 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:07:37,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:37,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:07:37,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:07:37,292 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 06:07:37,292 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:07:37,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 06:07:37,293 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:07:37,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:07:37,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:07:37,294 INFO L87 Difference]: Start difference. First operand 307 states and 351 transitions. Second operand 6 states. [2019-09-08 06:07:37,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:07:37,332 INFO L93 Difference]: Finished difference Result 596 states and 692 transitions. [2019-09-08 06:07:37,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 06:07:37,333 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2019-09-08 06:07:37,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:07:37,337 INFO L225 Difference]: With dead ends: 596 [2019-09-08 06:07:37,338 INFO L226 Difference]: Without dead ends: 317 [2019-09-08 06:07:37,341 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:07:37,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2019-09-08 06:07:37,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2019-09-08 06:07:37,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2019-09-08 06:07:37,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 361 transitions. [2019-09-08 06:07:37,370 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 361 transitions. Word has length 84 [2019-09-08 06:07:37,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:07:37,370 INFO L475 AbstractCegarLoop]: Abstraction has 317 states and 361 transitions. [2019-09-08 06:07:37,370 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:07:37,371 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 361 transitions. [2019-09-08 06:07:37,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-09-08 06:07:37,372 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:07:37,372 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:07:37,372 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:07:37,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:07:37,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1884470469, now seen corresponding path program 1 times [2019-09-08 06:07:37,373 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:07:37,373 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:07:37,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:37,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:07:37,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:07:37,473 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 06:07:37,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:07:37,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 06:07:37,474 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 06:07:37,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 06:07:37,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 06:07:37,475 INFO L87 Difference]: Start difference. First operand 317 states and 361 transitions. Second operand 4 states. [2019-09-08 06:07:37,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:07:37,728 INFO L93 Difference]: Finished difference Result 952 states and 1142 transitions. [2019-09-08 06:07:37,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 06:07:37,728 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 84 [2019-09-08 06:07:37,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:07:37,733 INFO L225 Difference]: With dead ends: 952 [2019-09-08 06:07:37,733 INFO L226 Difference]: Without dead ends: 663 [2019-09-08 06:07:37,734 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 06:07:37,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2019-09-08 06:07:37,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 439. [2019-09-08 06:07:37,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2019-09-08 06:07:37,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 496 transitions. [2019-09-08 06:07:37,772 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 496 transitions. Word has length 84 [2019-09-08 06:07:37,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:07:37,772 INFO L475 AbstractCegarLoop]: Abstraction has 439 states and 496 transitions. [2019-09-08 06:07:37,772 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 06:07:37,773 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 496 transitions. [2019-09-08 06:07:37,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-08 06:07:37,775 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:07:37,775 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:07:37,775 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:07:37,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:07:37,775 INFO L82 PathProgramCache]: Analyzing trace with hash 713728159, now seen corresponding path program 1 times [2019-09-08 06:07:37,776 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:07:37,776 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:07:37,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:37,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:07:37,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:07:37,829 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 06:07:37,829 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:07:37,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:07:37,830 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:07:37,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:07:37,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:07:37,831 INFO L87 Difference]: Start difference. First operand 439 states and 496 transitions. Second operand 3 states. [2019-09-08 06:07:37,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:07:37,882 INFO L93 Difference]: Finished difference Result 654 states and 752 transitions. [2019-09-08 06:07:37,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:07:37,883 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2019-09-08 06:07:37,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:07:37,887 INFO L225 Difference]: With dead ends: 654 [2019-09-08 06:07:37,887 INFO L226 Difference]: Without dead ends: 651 [2019-09-08 06:07:37,888 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 06:07:37,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2019-09-08 06:07:37,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 553. [2019-09-08 06:07:37,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2019-09-08 06:07:37,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 635 transitions. [2019-09-08 06:07:37,925 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 635 transitions. Word has length 88 [2019-09-08 06:07:37,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:07:37,926 INFO L475 AbstractCegarLoop]: Abstraction has 553 states and 635 transitions. [2019-09-08 06:07:37,926 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:07:37,926 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 635 transitions. [2019-09-08 06:07:37,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-09-08 06:07:37,929 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:07:37,929 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:07:37,929 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:07:37,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:07:37,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1128183326, now seen corresponding path program 1 times [2019-09-08 06:07:37,930 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:07:37,930 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:07:37,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:37,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:07:37,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:07:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:07:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:07:38,472 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 06:07:38,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:07:38 BoogieIcfgContainer [2019-09-08 06:07:38,663 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 06:07:38,666 INFO L168 Benchmark]: Toolchain (without parser) took 6583.36 ms. Allocated memory was 133.7 MB in the beginning and 315.1 MB in the end (delta: 181.4 MB). Free memory was 88.9 MB in the beginning and 270.9 MB in the end (delta: -182.0 MB). Peak memory consumption was 195.8 MB. Max. memory is 7.1 GB. [2019-09-08 06:07:38,667 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 133.7 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 06:07:38,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.22 ms. Allocated memory was 133.7 MB in the beginning and 201.3 MB in the end (delta: 67.6 MB). Free memory was 88.7 MB in the beginning and 166.8 MB in the end (delta: -78.1 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-09-08 06:07:38,669 INFO L168 Benchmark]: Boogie Preprocessor took 105.46 ms. Allocated memory is still 201.3 MB. Free memory was 166.8 MB in the beginning and 162.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-08 06:07:38,670 INFO L168 Benchmark]: RCFGBuilder took 1084.40 ms. Allocated memory was 201.3 MB in the beginning and 227.0 MB in the end (delta: 25.7 MB). Free memory was 162.4 MB in the beginning and 196.6 MB in the end (delta: -34.2 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. [2019-09-08 06:07:38,671 INFO L168 Benchmark]: TraceAbstraction took 4711.24 ms. Allocated memory was 227.0 MB in the beginning and 315.1 MB in the end (delta: 88.1 MB). Free memory was 196.6 MB in the beginning and 270.9 MB in the end (delta: -74.3 MB). Peak memory consumption was 210.2 MB. Max. memory is 7.1 GB. [2019-09-08 06:07:38,675 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 133.7 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 677.22 ms. Allocated memory was 133.7 MB in the beginning and 201.3 MB in the end (delta: 67.6 MB). Free memory was 88.7 MB in the beginning and 166.8 MB in the end (delta: -78.1 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.46 ms. Allocated memory is still 201.3 MB. Free memory was 166.8 MB in the beginning and 162.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1084.40 ms. Allocated memory was 201.3 MB in the beginning and 227.0 MB in the end (delta: 25.7 MB). Free memory was 162.4 MB in the beginning and 196.6 MB in the end (delta: -34.2 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4711.24 ms. Allocated memory was 227.0 MB in the beginning and 315.1 MB in the end (delta: 88.1 MB). Free memory was 196.6 MB in the beginning and 270.9 MB in the end (delta: -74.3 MB). Peak memory consumption was 210.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 249]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L151] int waterLevel = 1; [L152] int methaneLevelCritical = 0; [L255] int methAndRunningLastTime ; [L498] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L765] int pumpRunning = 0; [L766] int systemActive = 1; [L123] int retValue_acc ; [L124] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] FCALL select_helpers() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L129] FCALL select_features() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L130] CALL, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L320] int retValue_acc ; [L323] retValue_acc = 1 [L324] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L130] RET, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L134] FCALL setup() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L135] CALL runTest() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L113] CALL __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L260] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L113] RET __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L114] CALL test() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L697] int splverifierCounter ; [L698] int tmp ; [L699] int tmp___0 ; [L700] int tmp___1 ; [L701] int tmp___2 ; [L704] splverifierCounter = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L706] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L708] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L714] tmp = __VERIFIER_nondet_int() [L716] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=12, waterLevel=1] [L718] CALL waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L169] COND TRUE waterLevel < 2 [L170] waterLevel = waterLevel + 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L718] RET waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=12, waterLevel=2] [L724] tmp___0 = __VERIFIER_nondet_int() [L726] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=12, tmp___0=10, waterLevel=2] [L728] CALL changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L181] COND FALSE !(\read(methaneLevelCritical)) [L184] methaneLevelCritical = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L728] RET changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=12, tmp___0=10, waterLevel=2] [L734] tmp___2 = __VERIFIER_nondet_int() [L736] COND FALSE !(\read(tmp___2)) [L742] tmp___1 = __VERIFIER_nondet_int() [L744] COND TRUE \read(tmp___1) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=12, tmp___0=10, tmp___1=9, tmp___2=0, waterLevel=2] [L751] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L772] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L779] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L781] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L801] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L804] COND TRUE ! pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L806] CALL, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L898] int retValue_acc ; [L899] int tmp ; [L900] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L904] CALL, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L231] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L234] COND FALSE !(waterLevel < 2) [L238] retValue_acc = 0 [L239] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L904] RET, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L904] tmp = isHighWaterSensorDry() [L906] COND FALSE !(\read(tmp)) [L909] tmp___0 = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L911] retValue_acc = tmp___0 [L912] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L806] RET, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L806] tmp = isHighWaterLevel() [L808] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L810] CALL activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L829] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L810] RET activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L781] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L787] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L265] int tmp ; [L266] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L270] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L190] int retValue_acc ; [L193] retValue_acc = methaneLevelCritical [L194] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L270] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L270] tmp = isMethaneLevelCritical() [L272] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L274] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L853] int retValue_acc ; [L856] retValue_acc = pumpRunning [L857] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L274] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L274] tmp___0 = isPumpRunning() [L276] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L277] COND FALSE !(\read(methAndRunningLastTime)) [L282] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L787] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L751] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=12, tmp___0=10, tmp___1=9, tmp___2=0, waterLevel=2] [L706] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=12, tmp___0=10, tmp___1=9, tmp___2=0, waterLevel=2] [L708] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=12, tmp___0=10, tmp___1=9, tmp___2=0, waterLevel=2] [L714] tmp = __VERIFIER_nondet_int() [L716] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=10, tmp___1=9, tmp___2=0, waterLevel=2] [L724] tmp___0 = __VERIFIER_nondet_int() [L726] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=9, tmp___2=0, waterLevel=2] [L734] tmp___2 = __VERIFIER_nondet_int() [L736] COND FALSE !(\read(tmp___2)) [L742] tmp___1 = __VERIFIER_nondet_int() [L744] COND TRUE \read(tmp___1) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=8, tmp___2=0, waterLevel=2] [L751] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L772] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L774] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L157] COND TRUE waterLevel > 0 [L158] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L774] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L779] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L781] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L801] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L804] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L819] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L781] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L787] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L265] int tmp ; [L266] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L270] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L190] int retValue_acc ; [L193] retValue_acc = methaneLevelCritical [L194] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L270] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L270] tmp = isMethaneLevelCritical() [L272] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L274] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L853] int retValue_acc ; [L856] retValue_acc = pumpRunning [L857] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L274] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L274] tmp___0 = isPumpRunning() [L276] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L277] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L279] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L249] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 224 locations, 1 error locations. UNSAFE Result, 4.6s OverallTime, 11 OverallIterations, 2 TraceHistogramMax, 2.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1312 SDtfs, 763 SDslu, 2501 SDs, 0 SdLazy, 874 SolverSat, 201 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=553occurred in iteration=10, 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: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 382 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 853 NumberOfCodeBlocks, 853 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 712 ConstructedInterpolants, 0 QuantifiedInterpolants, 88586 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...