/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:23:21,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:23:21,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:23:21,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:23:21,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:23:21,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:23:21,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:23:21,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:23:21,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:23:21,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:23:21,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:23:21,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:23:21,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:23:21,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:23:21,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:23:21,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:23:21,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:23:21,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:23:21,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:23:21,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:23:21,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:23:21,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:23:21,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:23:21,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:23:21,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:23:21,857 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:23:21,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:23:21,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:23:21,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:23:21,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:23:21,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:23:21,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:23:21,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:23:21,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:23:21,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:23:21,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:23:21,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:23:21,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:23:21,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:23:21,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:23:21,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:23:21,878 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 [2020-07-20 16:23:21,906 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:23:21,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:23:21,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:23:21,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:23:21,909 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:23:21,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:23:21,909 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:23:21,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:23:21,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:23:21,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:23:21,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:23:21,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:23:21,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:23:21,912 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:23:21,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:23:21,912 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:23:21,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:23:21,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:23:21,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:23:21,913 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:23:21,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:23:21,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:23:21,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:23:21,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:23:21,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:23:21,914 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:23:21,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:21,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:23:21,914 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:23:21,915 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 16:23:22,263 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:23:22,281 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:23:22,286 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:23:22,289 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:23:22,290 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:23:22,290 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product42.cil.c [2020-07-20 16:23:22,366 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/660d5e4c4/13fc28bfae0a4890ad61157dd91550c5/FLAG2fea78c23 [2020-07-20 16:23:22,908 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:23:22,909 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product42.cil.c [2020-07-20 16:23:22,928 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/660d5e4c4/13fc28bfae0a4890ad61157dd91550c5/FLAG2fea78c23 [2020-07-20 16:23:23,195 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/660d5e4c4/13fc28bfae0a4890ad61157dd91550c5 [2020-07-20 16:23:23,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:23:23,211 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:23:23,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:23:23,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:23:23,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:23:23,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:23:23" (1/1) ... [2020-07-20 16:23:23,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ad3b8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:23, skipping insertion in model container [2020-07-20 16:23:23,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:23:23" (1/1) ... [2020-07-20 16:23:23,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:23:23,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:23:23,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:23:23,627 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:23:23,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:23:23,880 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:23:23,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:23 WrapperNode [2020-07-20 16:23:23,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:23:23,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:23:23,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:23:23,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:23:23,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:23" (1/1) ... [2020-07-20 16:23:23,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:23" (1/1) ... [2020-07-20 16:23:23,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:23" (1/1) ... [2020-07-20 16:23:23,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:23" (1/1) ... [2020-07-20 16:23:23,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:23" (1/1) ... [2020-07-20 16:23:23,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:23" (1/1) ... [2020-07-20 16:23:23,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:23" (1/1) ... [2020-07-20 16:23:23,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:23:23,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:23:23,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:23:23,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:23:23,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:23" (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 [2020-07-20 16:23:24,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:23:24,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:23:24,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:23:24,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:23:24,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:23:24,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:23:24,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:23:24,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:23:24,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:23:24,032 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:23:24,032 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:23:24,033 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:23:24,033 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:23:24,033 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-20 16:23:24,033 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:23:24,034 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:23:24,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:23:24,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:23:24,034 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:23:24,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 16:23:24,035 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 16:23:24,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 16:23:24,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 16:23:24,035 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:23:24,035 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:23:24,035 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:23:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:23:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:23:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:23:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:23:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:23:24,036 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:23:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:23:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:23:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:23:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:23:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:23:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:23:24,037 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:23:24,038 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 16:23:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:23:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:23:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:23:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:23:24,038 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:23:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:23:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:23:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:23:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:23:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:23:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:23:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:23:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:23:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:23:24,039 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:23:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:23:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:23:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:23:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:23:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:23:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:23:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:23:24,040 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 16:23:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:23:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:23:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:23:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:23:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:23:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:23:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 16:23:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:23:24,041 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:23:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:23:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:23:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 16:23:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:23:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:23:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 16:23:24,042 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-20 16:23:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:23:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:23:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 16:23:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:23:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:23:24,043 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:23:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:23:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:23:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:23:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:23:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:23:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:23:24,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:23:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:23:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:23:25,017 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:23:25,017 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:23:25,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:23:25 BoogieIcfgContainer [2020-07-20 16:23:25,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:23:25,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:23:25,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:23:25,027 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:23:25,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:23:23" (1/3) ... [2020-07-20 16:23:25,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@478ef105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:23:25, skipping insertion in model container [2020-07-20 16:23:25,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:23" (2/3) ... [2020-07-20 16:23:25,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@478ef105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:23:25, skipping insertion in model container [2020-07-20 16:23:25,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:23:25" (3/3) ... [2020-07-20 16:23:25,031 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product42.cil.c [2020-07-20 16:23:25,041 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:23:25,049 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:23:25,064 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:23:25,089 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:23:25,089 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:23:25,090 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:23:25,090 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:23:25,090 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:23:25,090 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:23:25,091 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:23:25,091 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:23:25,119 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-07-20 16:23:25,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 16:23:25,133 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:25,134 INFO L422 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] [2020-07-20 16:23:25,135 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:25,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:25,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1331255295, now seen corresponding path program 1 times [2020-07-20 16:23:25,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:25,153 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [142005177] [2020-07-20 16:23:25,153 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:25,651 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:25,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:25,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:23:25,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:25,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:25,710 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:25,711 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [142005177] [2020-07-20 16:23:25,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:25,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:23:25,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828665003] [2020-07-20 16:23:25,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:23:25,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:25,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:23:25,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:23:25,744 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 2 states. [2020-07-20 16:23:25,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:25,793 INFO L93 Difference]: Finished difference Result 248 states and 307 transitions. [2020-07-20 16:23:25,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:23:25,794 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 16:23:25,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:25,810 INFO L225 Difference]: With dead ends: 248 [2020-07-20 16:23:25,810 INFO L226 Difference]: Without dead ends: 126 [2020-07-20 16:23:25,815 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:23:25,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-07-20 16:23:25,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2020-07-20 16:23:25,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-07-20 16:23:25,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2020-07-20 16:23:25,875 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 51 [2020-07-20 16:23:25,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:25,875 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2020-07-20 16:23:25,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:23:25,876 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2020-07-20 16:23:25,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 16:23:25,880 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:25,880 INFO L422 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] [2020-07-20 16:23:26,096 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:26,097 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:26,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:26,098 INFO L82 PathProgramCache]: Analyzing trace with hash -42152189, now seen corresponding path program 1 times [2020-07-20 16:23:26,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:26,099 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [597940194] [2020-07-20 16:23:26,100 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:26,512 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:26,513 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:26,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:23:26,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:26,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:26,558 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:26,559 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [597940194] [2020-07-20 16:23:26,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:26,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:26,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110170845] [2020-07-20 16:23:26,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:26,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:26,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:26,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:26,562 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 3 states. [2020-07-20 16:23:26,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:26,586 INFO L93 Difference]: Finished difference Result 193 states and 225 transitions. [2020-07-20 16:23:26,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:26,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 16:23:26,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:26,589 INFO L225 Difference]: With dead ends: 193 [2020-07-20 16:23:26,589 INFO L226 Difference]: Without dead ends: 117 [2020-07-20 16:23:26,590 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:26,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-07-20 16:23:26,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-07-20 16:23:26,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-07-20 16:23:26,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2020-07-20 16:23:26,603 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 52 [2020-07-20 16:23:26,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:26,604 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2020-07-20 16:23:26,604 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:26,604 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2020-07-20 16:23:26,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 16:23:26,606 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:26,606 INFO L422 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] [2020-07-20 16:23:26,819 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:26,820 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:26,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:26,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1757460962, now seen corresponding path program 1 times [2020-07-20 16:23:26,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:26,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [644065843] [2020-07-20 16:23:26,821 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:27,186 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:27,187 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:27,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:23:27,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:27,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:27,230 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:27,230 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [644065843] [2020-07-20 16:23:27,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:27,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:27,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510592874] [2020-07-20 16:23:27,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:27,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:27,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:27,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:27,233 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand 3 states. [2020-07-20 16:23:27,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:27,256 INFO L93 Difference]: Finished difference Result 206 states and 243 transitions. [2020-07-20 16:23:27,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:27,257 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-07-20 16:23:27,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:27,259 INFO L225 Difference]: With dead ends: 206 [2020-07-20 16:23:27,274 INFO L226 Difference]: Without dead ends: 117 [2020-07-20 16:23:27,276 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:27,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-07-20 16:23:27,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-07-20 16:23:27,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-07-20 16:23:27,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2020-07-20 16:23:27,297 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 57 [2020-07-20 16:23:27,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:27,298 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2020-07-20 16:23:27,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:27,298 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2020-07-20 16:23:27,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 16:23:27,303 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:27,304 INFO L422 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] [2020-07-20 16:23:27,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:27,505 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:27,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:27,506 INFO L82 PathProgramCache]: Analyzing trace with hash 2060596455, now seen corresponding path program 1 times [2020-07-20 16:23:27,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:27,507 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [692981915] [2020-07-20 16:23:27,507 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:27,830 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:27,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:27,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 16:23:27,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:27,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:27,885 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:27,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [692981915] [2020-07-20 16:23:27,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:27,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:27,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130576129] [2020-07-20 16:23:27,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:27,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:27,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:27,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:27,888 INFO L87 Difference]: Start difference. First operand 117 states and 134 transitions. Second operand 6 states. [2020-07-20 16:23:28,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:28,448 INFO L93 Difference]: Finished difference Result 266 states and 314 transitions. [2020-07-20 16:23:28,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:23:28,448 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-07-20 16:23:28,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:28,451 INFO L225 Difference]: With dead ends: 266 [2020-07-20 16:23:28,451 INFO L226 Difference]: Without dead ends: 177 [2020-07-20 16:23:28,452 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:23:28,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-07-20 16:23:28,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 174. [2020-07-20 16:23:28,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-07-20 16:23:28,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 198 transitions. [2020-07-20 16:23:28,480 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 198 transitions. Word has length 65 [2020-07-20 16:23:28,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:28,480 INFO L479 AbstractCegarLoop]: Abstraction has 174 states and 198 transitions. [2020-07-20 16:23:28,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:28,480 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 198 transitions. [2020-07-20 16:23:28,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-20 16:23:28,482 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:28,485 INFO L422 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] [2020-07-20 16:23:28,700 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:28,701 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:28,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:28,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1161742780, now seen corresponding path program 1 times [2020-07-20 16:23:28,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:28,703 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1375516736] [2020-07-20 16:23:28,703 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:29,099 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:29,099 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:29,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:23:29,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:29,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:29,152 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:29,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1375516736] [2020-07-20 16:23:29,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:29,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:29,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598734405] [2020-07-20 16:23:29,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:29,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:29,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:29,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:29,156 INFO L87 Difference]: Start difference. First operand 174 states and 198 transitions. Second operand 6 states. [2020-07-20 16:23:29,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:29,354 INFO L93 Difference]: Finished difference Result 323 states and 373 transitions. [2020-07-20 16:23:29,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:23:29,355 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2020-07-20 16:23:29,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:29,360 INFO L225 Difference]: With dead ends: 323 [2020-07-20 16:23:29,361 INFO L226 Difference]: Without dead ends: 177 [2020-07-20 16:23:29,362 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:23:29,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-07-20 16:23:29,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 173. [2020-07-20 16:23:29,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-07-20 16:23:29,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 195 transitions. [2020-07-20 16:23:29,393 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 195 transitions. Word has length 79 [2020-07-20 16:23:29,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:29,394 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 195 transitions. [2020-07-20 16:23:29,395 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:29,395 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 195 transitions. [2020-07-20 16:23:29,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-07-20 16:23:29,397 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:29,397 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:29,610 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:29,611 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:29,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:29,612 INFO L82 PathProgramCache]: Analyzing trace with hash 6456468, now seen corresponding path program 1 times [2020-07-20 16:23:29,612 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:29,613 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1532525331] [2020-07-20 16:23:29,613 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:29,954 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:29,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:29,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:23:29,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:30,005 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:23:30,005 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:30,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1532525331] [2020-07-20 16:23:30,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:30,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:30,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590525948] [2020-07-20 16:23:30,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:30,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:30,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:30,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:30,008 INFO L87 Difference]: Start difference. First operand 173 states and 195 transitions. Second operand 6 states. [2020-07-20 16:23:30,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:30,052 INFO L93 Difference]: Finished difference Result 325 states and 374 transitions. [2020-07-20 16:23:30,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:23:30,054 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2020-07-20 16:23:30,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:30,056 INFO L225 Difference]: With dead ends: 325 [2020-07-20 16:23:30,056 INFO L226 Difference]: Without dead ends: 180 [2020-07-20 16:23:30,057 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:23:30,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-07-20 16:23:30,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 178. [2020-07-20 16:23:30,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-07-20 16:23:30,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 200 transitions. [2020-07-20 16:23:30,071 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 200 transitions. Word has length 95 [2020-07-20 16:23:30,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:30,071 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 200 transitions. [2020-07-20 16:23:30,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:30,071 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 200 transitions. [2020-07-20 16:23:30,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-07-20 16:23:30,073 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:30,073 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:30,286 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:30,287 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:30,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:30,288 INFO L82 PathProgramCache]: Analyzing trace with hash -2042931374, now seen corresponding path program 1 times [2020-07-20 16:23:30,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:30,290 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [519633248] [2020-07-20 16:23:30,290 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:30,427 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:23:30,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:30,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 16:23:30,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:30,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:23:30,461 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:30,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [519633248] [2020-07-20 16:23:30,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:30,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:23:30,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749351098] [2020-07-20 16:23:30,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:23:30,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:30,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:23:30,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:23:30,463 INFO L87 Difference]: Start difference. First operand 178 states and 200 transitions. Second operand 5 states. [2020-07-20 16:23:30,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:30,485 INFO L93 Difference]: Finished difference Result 335 states and 385 transitions. [2020-07-20 16:23:30,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:23:30,486 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 95 [2020-07-20 16:23:30,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:30,487 INFO L225 Difference]: With dead ends: 335 [2020-07-20 16:23:30,488 INFO L226 Difference]: Without dead ends: 185 [2020-07-20 16:23:30,488 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:23:30,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-07-20 16:23:30,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 182. [2020-07-20 16:23:30,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-07-20 16:23:30,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 204 transitions. [2020-07-20 16:23:30,502 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 204 transitions. Word has length 95 [2020-07-20 16:23:30,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:30,502 INFO L479 AbstractCegarLoop]: Abstraction has 182 states and 204 transitions. [2020-07-20 16:23:30,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:23:30,502 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 204 transitions. [2020-07-20 16:23:30,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-07-20 16:23:30,504 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:30,504 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:30,718 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:30,719 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:30,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:30,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1073350351, now seen corresponding path program 1 times [2020-07-20 16:23:30,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:30,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [552493244] [2020-07-20 16:23:30,721 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:31,056 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:31,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:31,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 16:23:31,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:31,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:23:31,102 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:31,102 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [552493244] [2020-07-20 16:23:31,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:31,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:31,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135707258] [2020-07-20 16:23:31,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:31,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:31,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:31,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:31,104 INFO L87 Difference]: Start difference. First operand 182 states and 204 transitions. Second operand 3 states. [2020-07-20 16:23:31,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:31,151 INFO L93 Difference]: Finished difference Result 450 states and 528 transitions. [2020-07-20 16:23:31,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:31,154 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2020-07-20 16:23:31,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:31,160 INFO L225 Difference]: With dead ends: 450 [2020-07-20 16:23:31,161 INFO L226 Difference]: Without dead ends: 296 [2020-07-20 16:23:31,162 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:31,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-07-20 16:23:31,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 293. [2020-07-20 16:23:31,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-07-20 16:23:31,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 338 transitions. [2020-07-20 16:23:31,208 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 338 transitions. Word has length 95 [2020-07-20 16:23:31,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:31,209 INFO L479 AbstractCegarLoop]: Abstraction has 293 states and 338 transitions. [2020-07-20 16:23:31,209 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:31,209 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 338 transitions. [2020-07-20 16:23:31,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-07-20 16:23:31,213 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:31,213 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:31,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:31,427 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:31,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:31,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1112501353, now seen corresponding path program 1 times [2020-07-20 16:23:31,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:31,429 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [450310881] [2020-07-20 16:23:31,429 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:31,831 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:31,832 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:31,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 25 conjunts are in the unsatisfiable core [2020-07-20 16:23:31,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:31,949 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:31,949 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:31,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [450310881] [2020-07-20 16:23:31,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:31,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-20 16:23:31,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490770849] [2020-07-20 16:23:31,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 16:23:31,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:31,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 16:23:31,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-20 16:23:31,954 INFO L87 Difference]: Start difference. First operand 293 states and 338 transitions. Second operand 11 states. [2020-07-20 16:23:32,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:32,759 INFO L93 Difference]: Finished difference Result 789 states and 946 transitions. [2020-07-20 16:23:32,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 16:23:32,759 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 99 [2020-07-20 16:23:32,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:32,764 INFO L225 Difference]: With dead ends: 789 [2020-07-20 16:23:32,764 INFO L226 Difference]: Without dead ends: 524 [2020-07-20 16:23:32,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-20 16:23:32,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-07-20 16:23:32,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 516. [2020-07-20 16:23:32,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2020-07-20 16:23:32,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 600 transitions. [2020-07-20 16:23:32,804 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 600 transitions. Word has length 99 [2020-07-20 16:23:32,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:32,805 INFO L479 AbstractCegarLoop]: Abstraction has 516 states and 600 transitions. [2020-07-20 16:23:32,805 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 16:23:32,805 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 600 transitions. [2020-07-20 16:23:32,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-20 16:23:32,808 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:32,809 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:33,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:33,022 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:33,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:33,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1421194916, now seen corresponding path program 1 times [2020-07-20 16:23:33,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:33,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2084041728] [2020-07-20 16:23:33,024 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:33,186 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:23:33,187 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:33,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 16:23:33,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:33,269 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 16:23:33,269 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:33,269 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2084041728] [2020-07-20 16:23:33,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:33,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:33,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879618724] [2020-07-20 16:23:33,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:33,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:33,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:33,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:33,271 INFO L87 Difference]: Start difference. First operand 516 states and 600 transitions. Second operand 6 states. [2020-07-20 16:23:33,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:33,662 INFO L93 Difference]: Finished difference Result 1020 states and 1197 transitions. [2020-07-20 16:23:33,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:23:33,668 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2020-07-20 16:23:33,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:33,673 INFO L225 Difference]: With dead ends: 1020 [2020-07-20 16:23:33,676 INFO L226 Difference]: Without dead ends: 516 [2020-07-20 16:23:33,680 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 137 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:33,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2020-07-20 16:23:33,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 516. [2020-07-20 16:23:33,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2020-07-20 16:23:33,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 584 transitions. [2020-07-20 16:23:33,742 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 584 transitions. Word has length 143 [2020-07-20 16:23:33,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:33,743 INFO L479 AbstractCegarLoop]: Abstraction has 516 states and 584 transitions. [2020-07-20 16:23:33,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:33,743 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 584 transitions. [2020-07-20 16:23:33,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-07-20 16:23:33,746 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:33,746 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:33,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:33,957 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:33,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:33,958 INFO L82 PathProgramCache]: Analyzing trace with hash -75649928, now seen corresponding path program 1 times [2020-07-20 16:23:33,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:33,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1258753821] [2020-07-20 16:23:33,959 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:34,298 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:34,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:34,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:23:34,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:34,336 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:23:34,336 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:34,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1258753821] [2020-07-20 16:23:34,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:34,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:34,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566352935] [2020-07-20 16:23:34,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:34,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:34,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:34,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:34,339 INFO L87 Difference]: Start difference. First operand 516 states and 584 transitions. Second operand 3 states. [2020-07-20 16:23:34,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:34,386 INFO L93 Difference]: Finished difference Result 687 states and 794 transitions. [2020-07-20 16:23:34,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:34,387 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-07-20 16:23:34,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:34,391 INFO L225 Difference]: With dead ends: 687 [2020-07-20 16:23:34,391 INFO L226 Difference]: Without dead ends: 684 [2020-07-20 16:23:34,392 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:34,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2020-07-20 16:23:34,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 616. [2020-07-20 16:23:34,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 616 states. [2020-07-20 16:23:34,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 710 transitions. [2020-07-20 16:23:34,431 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 710 transitions. Word has length 139 [2020-07-20 16:23:34,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:34,432 INFO L479 AbstractCegarLoop]: Abstraction has 616 states and 710 transitions. [2020-07-20 16:23:34,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:34,432 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 710 transitions. [2020-07-20 16:23:34,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-07-20 16:23:34,436 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:34,437 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-20 16:23:34,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:34,652 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:34,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:34,653 INFO L82 PathProgramCache]: Analyzing trace with hash -867778846, now seen corresponding path program 1 times [2020-07-20 16:23:34,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:34,654 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1687955712] [2020-07-20 16:23:34,654 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:35,041 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:35,041 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2020-07-20 16:23:35,041 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 16:23:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 16:23:35,195 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 16:23:35,677 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-20 16:23:35,677 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-20 16:23:35,892 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:36,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:23:36 BoogieIcfgContainer [2020-07-20 16:23:36,154 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:23:36,157 INFO L168 Benchmark]: Toolchain (without parser) took 12947.22 ms. Allocated memory was 143.1 MB in the beginning and 323.5 MB in the end (delta: 180.4 MB). Free memory was 107.3 MB in the beginning and 192.6 MB in the end (delta: -85.3 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:36,158 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 143.1 MB. Free memory was 126.2 MB in the beginning and 126.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 16:23:36,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.75 ms. Allocated memory was 143.1 MB in the beginning and 205.0 MB in the end (delta: 61.9 MB). Free memory was 106.9 MB in the beginning and 175.3 MB in the end (delta: -68.4 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:36,159 INFO L168 Benchmark]: Boogie Preprocessor took 89.51 ms. Allocated memory is still 205.0 MB. Free memory was 175.3 MB in the beginning and 170.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:36,160 INFO L168 Benchmark]: RCFGBuilder took 1050.42 ms. Allocated memory was 205.0 MB in the beginning and 232.3 MB in the end (delta: 27.3 MB). Free memory was 170.9 MB in the beginning and 186.6 MB in the end (delta: -15.7 MB). Peak memory consumption was 76.8 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:36,161 INFO L168 Benchmark]: TraceAbstraction took 11130.80 ms. Allocated memory was 232.3 MB in the beginning and 323.5 MB in the end (delta: 91.2 MB). Free memory was 185.3 MB in the beginning and 192.6 MB in the end (delta: -7.3 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:36,165 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 143.1 MB. Free memory was 126.2 MB in the beginning and 126.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 666.75 ms. Allocated memory was 143.1 MB in the beginning and 205.0 MB in the end (delta: 61.9 MB). Free memory was 106.9 MB in the beginning and 175.3 MB in the end (delta: -68.4 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.51 ms. Allocated memory is still 205.0 MB. Free memory was 175.3 MB in the beginning and 170.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1050.42 ms. Allocated memory was 205.0 MB in the beginning and 232.3 MB in the end (delta: 27.3 MB). Free memory was 170.9 MB in the beginning and 186.6 MB in the end (delta: -15.7 MB). Peak memory consumption was 76.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11130.80 ms. Allocated memory was 232.3 MB in the beginning and 323.5 MB in the end (delta: 91.2 MB). Free memory was 185.3 MB in the beginning and 192.6 MB in the end (delta: -7.3 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 844]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L486] int pumpRunning = 0; [L487] int systemActive = 1; [L666] int methAndRunningLastTime ; [L743] int cleanupTimeShifts = 4; [L850] int waterLevel = 1; [L851] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=66, \old(head)=85, \old(head)=24, \old(methAndRunningLastTime)=48, \old(methaneLevelCritical)=47, \old(pumpRunning)=89, \old(systemActive)=27, \old(waterLevel)=86, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L817] int retValue_acc ; [L818] 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] [L822] 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] [L823] 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] [L824] 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] [L734] int retValue_acc ; [L737] retValue_acc = 1 [L738] 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] [L824] 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] [L824] tmp = valid_product() [L826] 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] [L828] 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] [L829] 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] [L810] 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] [L671] 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] [L810] 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] [L811] 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] [L412] int splverifierCounter ; [L413] int tmp ; [L414] int tmp___0 ; [L415] int tmp___1 ; [L416] int tmp___2 ; [L419] 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] [L421] 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] [L423] 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] [L429] tmp = __VERIFIER_nondet_int() [L431] 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=-1, waterLevel=1] [L433] 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] [L868] COND TRUE waterLevel < 2 [L869] 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] [L433] 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=-1, waterLevel=2] [L439] tmp___0 = __VERIFIER_nondet_int() [L441] 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=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, waterLevel=2] [L449] tmp___2 = __VERIFIER_nondet_int() [L451] COND FALSE !(\read(tmp___2)) [L457] tmp___1 = __VERIFIER_nondet_int() [L459] 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=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=-1, tmp___2=0, waterLevel=2] [L466] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L494] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L501] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L503] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L523] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L526] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L528] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L638] int retValue_acc ; [L639] int tmp ; [L640] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L644] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L930] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L933] COND FALSE !(waterLevel < 2) [L937] retValue_acc = 0 [L938] 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=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L644] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L644] tmp = isHighWaterSensorDry() [L646] COND FALSE !(\read(tmp)) [L649] 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=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L651] retValue_acc = tmp___0 [L652] 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=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L528] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L528] tmp = isHighWaterLevel() [L530] 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=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L532] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L557] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L561] CALL, EXPR isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L582] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L586] 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=0, pumpRunning=0, systemActive=1, waterLevel=2] [L889] int retValue_acc ; [L892] retValue_acc = methaneLevelCritical [L893] 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=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L586] 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()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L586] retValue_acc = isMethaneLevelCritical() [L588] 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=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L561] RET, EXPR isMethaneAlarm() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L561] tmp = isMethaneAlarm() [L563] COND FALSE !(\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=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L567] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L551] 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=0, pumpRunning=1, systemActive=1, waterLevel=2] [L567] RET activatePump__wrappee__highWaterSensor() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L532] 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=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L503] 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=0, pumpRunning=1, systemActive=1, waterLevel=2] [L509] 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=0, pumpRunning=1, systemActive=1, waterLevel=2] [L676] int tmp ; [L677] 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=0, pumpRunning=1, systemActive=1, waterLevel=2] [L681] 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=0, pumpRunning=1, systemActive=1, waterLevel=2] [L889] int retValue_acc ; [L892] retValue_acc = methaneLevelCritical [L893] 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=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2] [L681] 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()=0, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L681] tmp = isMethaneLevelCritical() [L683] COND FALSE !(\read(tmp)) [L699] methAndRunningLastTime = 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=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L509] 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=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L466] RET timeShift() 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=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=-1, tmp___2=0, waterLevel=2] [L421] 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=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=-1, tmp___2=0, waterLevel=2] [L423] 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=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=-1, tmp___2=0, waterLevel=2] [L429] tmp = __VERIFIER_nondet_int() [L431] 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=0, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=-1, tmp___2=0, waterLevel=2] [L439] tmp___0 = __VERIFIER_nondet_int() [L441] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=-1, tmp___2=0, waterLevel=2] [L443] 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=1, systemActive=1, waterLevel=2] [L880] COND FALSE !(\read(methaneLevelCritical)) [L883] 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=1, systemActive=1, waterLevel=2] [L443] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=-1, tmp___2=0, waterLevel=2] [L449] tmp___2 = __VERIFIER_nondet_int() [L451] COND FALSE !(\read(tmp___2)) [L457] tmp___1 = __VERIFIER_nondet_int() [L459] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=-1, tmp___2=0, waterLevel=2] [L466] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L494] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L496] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L856] COND TRUE waterLevel > 0 [L857] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L496] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L501] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L503] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L523] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L526] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L541] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L503] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L509] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L676] int tmp ; [L677] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L681] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L889] int retValue_acc ; [L892] retValue_acc = methaneLevelCritical [L893] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \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=1] [L681] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L681] tmp = isMethaneLevelCritical() [L683] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L685] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L593] int retValue_acc ; [L596] retValue_acc = pumpRunning [L597] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \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=1] [L685] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L685] tmp___0 = isPumpRunning() [L687] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \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=1] [L688] COND FALSE !(\read(methAndRunningLastTime)) [L693] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \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] [L509] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \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] [L466] 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=0, tmp___0=1, tmp___1=-1, tmp___2=0, waterLevel=1] [L421] 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=0, tmp___0=1, tmp___1=-1, tmp___2=0, waterLevel=1] [L423] 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=0, tmp___0=1, tmp___1=-1, tmp___2=0, waterLevel=1] [L429] tmp = __VERIFIER_nondet_int() [L431] 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=1, tmp___1=-1, tmp___2=0, waterLevel=1] [L439] tmp___0 = __VERIFIER_nondet_int() [L441] 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=-1, tmp___2=0, waterLevel=1] [L449] tmp___2 = __VERIFIER_nondet_int() [L451] COND FALSE !(\read(tmp___2)) [L457] tmp___1 = __VERIFIER_nondet_int() [L459] 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=-1, tmp___2=0, waterLevel=1] [L466] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L494] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L496] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L856] COND TRUE waterLevel > 0 [L857] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L496] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L501] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L503] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L523] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L526] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L541] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L503] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L509] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L676] int tmp ; [L677] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L681] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L889] int retValue_acc ; [L892] retValue_acc = methaneLevelCritical [L893] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L681] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L681] tmp = isMethaneLevelCritical() [L683] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L685] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L593] int retValue_acc ; [L596] retValue_acc = pumpRunning [L597] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L685] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=0] [L685] tmp___0 = isPumpRunning() [L687] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L688] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=0] [L690] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L844] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 231 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.8s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1670 SDtfs, 765 SDslu, 3240 SDs, 0 SdLazy, 842 SolverSat, 158 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 970 GetRequests, 926 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=616occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 91 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1152 NumberOfCodeBlocks, 889 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 959 ConstructedInterpolants, 0 QuantifiedInterpolants, 152421 SizeOfPredicates, 24 NumberOfNonLiveVariables, 7375 ConjunctsInSsa, 97 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 78/78 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...