/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:49:37,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:49:37,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:49:37,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:49:37,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:49:37,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:49:37,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:49:37,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:49:37,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:49:37,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:49:37,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:49:37,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:49:37,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:49:37,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:49:37,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:49:37,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:49:37,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:49:37,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:49:37,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:49:37,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:49:37,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:49:37,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:49:37,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:49:37,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:49:37,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:49:37,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:49:37,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:49:37,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:49:37,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:49:37,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:49:37,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:49:37,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:49:37,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:49:37,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:49:37,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:49:37,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:49:37,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:49:37,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:49:37,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:49:37,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:49:37,843 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:49:37,844 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 [2020-07-19 22:49:37,858 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:49:37,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:49:37,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:49:37,860 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:49:37,860 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:49:37,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:49:37,861 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:49:37,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:49:37,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:49:37,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:49:37,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:49:37,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:49:37,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:49:37,862 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:49:37,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:49:37,862 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:49:37,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:49:37,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:49:37,863 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:49:37,863 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:49:37,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:49:37,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:49:37,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:49:37,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:49:37,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:49:37,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:49:37,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:49:37,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:49:37,865 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:49:37,865 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 22:49:38,144 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:49:38,163 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:49:38,166 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:49:38,170 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:49:38,172 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:49:38,173 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product07.cil.c [2020-07-19 22:49:38,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33320cddc/b76c27cb6d0e4c87a15eb91f0cb6eb53/FLAGe232834d5 [2020-07-19 22:49:38,745 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:49:38,746 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product07.cil.c [2020-07-19 22:49:38,772 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33320cddc/b76c27cb6d0e4c87a15eb91f0cb6eb53/FLAGe232834d5 [2020-07-19 22:49:39,052 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33320cddc/b76c27cb6d0e4c87a15eb91f0cb6eb53 [2020-07-19 22:49:39,060 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:49:39,064 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:49:39,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:49:39,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:49:39,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:49:39,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:49:39" (1/1) ... [2020-07-19 22:49:39,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b3607cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:39, skipping insertion in model container [2020-07-19 22:49:39,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:49:39" (1/1) ... [2020-07-19 22:49:39,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:49:39,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:49:39,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:49:39,465 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:49:39,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:49:39,686 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:49:39,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:39 WrapperNode [2020-07-19 22:49:39,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:49:39,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:49:39,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:49:39,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:49:39,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:39" (1/1) ... [2020-07-19 22:49:39,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:39" (1/1) ... [2020-07-19 22:49:39,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:39" (1/1) ... [2020-07-19 22:49:39,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:39" (1/1) ... [2020-07-19 22:49:39,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:39" (1/1) ... [2020-07-19 22:49:39,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:39" (1/1) ... [2020-07-19 22:49:39,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:39" (1/1) ... [2020-07-19 22:49:39,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:49:39,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:49:39,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:49:39,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:49:39,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:39" (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 [2020-07-19 22:49:39,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:49:39,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:49:39,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:49:39,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:49:39,909 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:49:39,909 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:49:39,909 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:49:39,910 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:49:39,910 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:49:39,910 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:49:39,910 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:49:39,911 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:49:39,911 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:49:39,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:49:39,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:49:39,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:49:39,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:49:39,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:49:39,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:49:39,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-19 22:49:39,913 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:49:39,913 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:49:39,913 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:49:39,914 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:49:39,915 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:49:39,915 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:49:39,915 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:49:39,915 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:49:39,915 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 22:49:39,916 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:49:39,916 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:49:39,916 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:49:39,916 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:49:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:49:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:49:39,917 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:49:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:49:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:49:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:49:39,917 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:49:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:49:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:49:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:49:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:49:39,918 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:49:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:49:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:49:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:49:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:49:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:49:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:49:39,919 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:49:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:49:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:49:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:49:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:49:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:49:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:49:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:49:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:49:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:49:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:49:39,921 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:49:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:49:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:49:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:49:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:49:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:49:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:49:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:49:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:49:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:49:39,923 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:49:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:49:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-19 22:49:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:49:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:49:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:49:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:49:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 22:49:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:49:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:49:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:49:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:49:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:49:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:49:40,985 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:49:40,985 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:49:40,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:49:40 BoogieIcfgContainer [2020-07-19 22:49:40,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:49:40,991 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:49:40,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:49:40,995 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:49:40,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:49:39" (1/3) ... [2020-07-19 22:49:40,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ac5810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:49:40, skipping insertion in model container [2020-07-19 22:49:40,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:39" (2/3) ... [2020-07-19 22:49:40,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ac5810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:49:40, skipping insertion in model container [2020-07-19 22:49:40,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:49:40" (3/3) ... [2020-07-19 22:49:40,998 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product07.cil.c [2020-07-19 22:49:41,009 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:49:41,017 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:49:41,030 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:49:41,052 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:49:41,052 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:49:41,052 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:49:41,052 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:49:41,052 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:49:41,053 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:49:41,053 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:49:41,053 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:49:41,076 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2020-07-19 22:49:41,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 22:49:41,087 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:49:41,088 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] [2020-07-19 22:49:41,088 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:49:41,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:49:41,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1046284201, now seen corresponding path program 1 times [2020-07-19 22:49:41,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:49:41,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709759717] [2020-07-19 22:49:41,106 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@29414a8b [2020-07-19 22:49:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:41,775 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:49:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:41,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:49:41,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709759717] [2020-07-19 22:49:41,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:49:41,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 22:49:41,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940685859] [2020-07-19 22:49:41,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 22:49:41,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:49:41,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 22:49:41,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:49:41,930 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 3 states. [2020-07-19 22:49:43,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:49:43,019 INFO L93 Difference]: Finished difference Result 263 states and 350 transitions. [2020-07-19 22:49:43,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 22:49:43,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-19 22:49:43,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:49:43,036 INFO L225 Difference]: With dead ends: 263 [2020-07-19 22:49:43,036 INFO L226 Difference]: Without dead ends: 143 [2020-07-19 22:49:43,041 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:49:43,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-07-19 22:49:43,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 111. [2020-07-19 22:49:43,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-07-19 22:49:43,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 131 transitions. [2020-07-19 22:49:43,125 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 131 transitions. Word has length 52 [2020-07-19 22:49:43,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:49:43,126 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 131 transitions. [2020-07-19 22:49:43,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 22:49:43,126 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions. [2020-07-19 22:49:43,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-19 22:49:43,130 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:49:43,130 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] [2020-07-19 22:49:43,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:49:43,130 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:49:43,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:49:43,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1021968907, now seen corresponding path program 1 times [2020-07-19 22:49:43,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:49:43,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402381931] [2020-07-19 22:49:43,132 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@29414a8b [2020-07-19 22:49:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:43,459 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:49:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:43,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:49:43,524 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402381931] [2020-07-19 22:49:43,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:49:43,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:49:43,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024286037] [2020-07-19 22:49:43,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:49:43,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:49:43,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:49:43,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:49:43,528 INFO L87 Difference]: Start difference. First operand 111 states and 131 transitions. Second operand 4 states. [2020-07-19 22:49:43,989 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:49:44,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:49:44,712 INFO L93 Difference]: Finished difference Result 190 states and 233 transitions. [2020-07-19 22:49:44,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 22:49:44,713 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-19 22:49:44,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:49:44,716 INFO L225 Difference]: With dead ends: 190 [2020-07-19 22:49:44,716 INFO L226 Difference]: Without dead ends: 127 [2020-07-19 22:49:44,717 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-19 22:49:44,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-19 22:49:44,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 102. [2020-07-19 22:49:44,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-07-19 22:49:44,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 119 transitions. [2020-07-19 22:49:44,756 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 119 transitions. Word has length 53 [2020-07-19 22:49:44,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:49:44,757 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 119 transitions. [2020-07-19 22:49:44,757 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:49:44,757 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 119 transitions. [2020-07-19 22:49:44,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-19 22:49:44,759 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:49:44,759 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] [2020-07-19 22:49:44,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:49:44,760 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:49:44,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:49:44,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1636314529, now seen corresponding path program 1 times [2020-07-19 22:49:44,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:49:44,761 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999035910] [2020-07-19 22:49:44,761 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@29414a8b [2020-07-19 22:49:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:45,101 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:49:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:45,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:49:45,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999035910] [2020-07-19 22:49:45,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:49:45,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:49:45,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865950515] [2020-07-19 22:49:45,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:49:45,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:49:45,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:49:45,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:49:45,240 INFO L87 Difference]: Start difference. First operand 102 states and 119 transitions. Second operand 8 states. [2020-07-19 22:49:45,656 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:49:45,985 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:49:46,264 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:49:46,539 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:49:47,311 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:49:48,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:49:48,780 INFO L93 Difference]: Finished difference Result 360 states and 450 transitions. [2020-07-19 22:49:48,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 22:49:48,780 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-19 22:49:48,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:49:48,785 INFO L225 Difference]: With dead ends: 360 [2020-07-19 22:49:48,785 INFO L226 Difference]: Without dead ends: 282 [2020-07-19 22:49:48,786 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-19 22:49:48,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-07-19 22:49:48,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 228. [2020-07-19 22:49:48,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-07-19 22:49:48,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 277 transitions. [2020-07-19 22:49:48,850 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 277 transitions. Word has length 57 [2020-07-19 22:49:48,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:49:48,851 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 277 transitions. [2020-07-19 22:49:48,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:49:48,851 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 277 transitions. [2020-07-19 22:49:48,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-19 22:49:48,853 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:49:48,853 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] [2020-07-19 22:49:48,854 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:49:48,854 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:49:48,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:49:48,854 INFO L82 PathProgramCache]: Analyzing trace with hash -384943424, now seen corresponding path program 1 times [2020-07-19 22:49:48,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:49:48,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567953648] [2020-07-19 22:49:48,855 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@29414a8b [2020-07-19 22:49:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:49,159 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:49:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:49,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:49:49,228 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567953648] [2020-07-19 22:49:49,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:49:49,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:49:49,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212667111] [2020-07-19 22:49:49,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:49:49,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:49:49,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:49:49,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:49:49,230 INFO L87 Difference]: Start difference. First operand 228 states and 277 transitions. Second operand 8 states. [2020-07-19 22:49:49,716 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:49:51,062 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:49:51,407 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:49:51,679 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:49:51,947 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:49:52,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:49:52,536 INFO L93 Difference]: Finished difference Result 696 states and 923 transitions. [2020-07-19 22:49:52,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-19 22:49:52,536 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-19 22:49:52,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:49:52,542 INFO L225 Difference]: With dead ends: 696 [2020-07-19 22:49:52,542 INFO L226 Difference]: Without dead ends: 492 [2020-07-19 22:49:52,545 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:49:52,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2020-07-19 22:49:52,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 429. [2020-07-19 22:49:52,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2020-07-19 22:49:52,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 535 transitions. [2020-07-19 22:49:52,680 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 535 transitions. Word has length 63 [2020-07-19 22:49:52,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:49:52,680 INFO L479 AbstractCegarLoop]: Abstraction has 429 states and 535 transitions. [2020-07-19 22:49:52,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:49:52,681 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 535 transitions. [2020-07-19 22:49:52,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-07-19 22:49:52,684 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:49:52,684 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] [2020-07-19 22:49:52,684 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:49:52,685 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:49:52,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:49:52,685 INFO L82 PathProgramCache]: Analyzing trace with hash -1334484666, now seen corresponding path program 1 times [2020-07-19 22:49:52,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:49:52,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162293284] [2020-07-19 22:49:52,686 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@29414a8b [2020-07-19 22:49:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-19 22:49:52,741 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-19 22:49:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-19 22:49:52,786 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-19 22:49:52,856 INFO L174 FreeRefinementEngine]: Strategy CAMEL_SMT_AM found a feasible trace [2020-07-19 22:49:52,856 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-19 22:49:52,856 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:49:53,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:49:53 BoogieIcfgContainer [2020-07-19 22:49:53,001 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 22:49:53,003 INFO L168 Benchmark]: Toolchain (without parser) took 13940.90 ms. Allocated memory was 137.9 MB in the beginning and 447.7 MB in the end (delta: 309.9 MB). Free memory was 100.8 MB in the beginning and 325.1 MB in the end (delta: -224.3 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2020-07-19 22:49:53,006 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 22:49:53,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.18 ms. Allocated memory was 137.9 MB in the beginning and 203.4 MB in the end (delta: 65.5 MB). Free memory was 100.4 MB in the beginning and 174.5 MB in the end (delta: -74.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. [2020-07-19 22:49:53,008 INFO L168 Benchmark]: Boogie Preprocessor took 160.31 ms. Allocated memory is still 203.4 MB. Free memory was 174.5 MB in the beginning and 170.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-19 22:49:53,011 INFO L168 Benchmark]: RCFGBuilder took 1142.43 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 170.1 MB in the beginning and 202.5 MB in the end (delta: -32.4 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. [2020-07-19 22:49:53,012 INFO L168 Benchmark]: TraceAbstraction took 12009.78 ms. Allocated memory was 235.9 MB in the beginning and 447.7 MB in the end (delta: 211.8 MB). Free memory was 202.5 MB in the beginning and 325.1 MB in the end (delta: -122.6 MB). Peak memory consumption was 89.2 MB. Max. memory is 7.1 GB. [2020-07-19 22:49:53,018 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 622.18 ms. Allocated memory was 137.9 MB in the beginning and 203.4 MB in the end (delta: 65.5 MB). Free memory was 100.4 MB in the beginning and 174.5 MB in the end (delta: -74.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 160.31 ms. Allocated memory is still 203.4 MB. Free memory was 174.5 MB in the beginning and 170.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1142.43 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 170.1 MB in the beginning and 202.5 MB in the end (delta: -32.4 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12009.78 ms. Allocated memory was 235.9 MB in the beginning and 447.7 MB in the end (delta: 211.8 MB). Free memory was 202.5 MB in the beginning and 325.1 MB in the end (delta: -122.6 MB). Peak memory consumption was 89.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L87] int cleanupTimeShifts = 4; [L357] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L596] int pumpRunning = 0; [L597] int systemActive = 1; [L811] int waterLevel = 1; [L812] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=171, \old(head)=176, \old(head)=162, \old(methaneLevelCritical)=145, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=139, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L165] int retValue_acc ; [L166] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L170] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L171] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L172] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L172] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L172] tmp = valid_product() [L174] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L176] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L177] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L159] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L745] int splverifierCounter ; [L746] int tmp ; [L747] int tmp___0 ; [L748] int tmp___1 ; [L749] int tmp___2 ; [L752] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L754] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L756] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L762] tmp = __VERIFIER_nondet_int() [L764] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L766] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L829] COND TRUE waterLevel < 2 [L830] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L766] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L772] tmp___0 = __VERIFIER_nondet_int() [L774] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L782] tmp___2 = __VERIFIER_nondet_int() [L784] COND FALSE !(\read(tmp___2)) [L788] tmp___1 = __VERIFIER_nondet_int() [L790] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L792] CALL stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L732] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L739] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L792] RET stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L799] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L603] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L610] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L618] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L558] int tmp ; [L559] int tmp___0 ; [L560] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L564] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L850] int retValue_acc ; [L853] retValue_acc = methaneLevelCritical [L854] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L564] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L564] tmp = isMethaneLevelCritical() [L566] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L570] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L882] int retValue_acc ; [L885] retValue_acc = waterLevel [L886] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L570] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L570] tmp___0 = getWaterLevel() [L572] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L574] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L684] int retValue_acc ; [L687] retValue_acc = pumpRunning [L688] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L574] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L574] tmp___1 = isPumpRunning() [L576] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L580] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L44] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 213 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 416 SDtfs, 636 SDslu, 311 SDs, 0 SdLazy, 1606 SolverSat, 407 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=429occurred in iteration=4, 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, 4 MinimizatonAttempts, 174 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 61972 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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...