java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 14:20:37,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 14:20:37,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 14:20:37,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 14:20:37,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 14:20:37,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 14:20:37,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 14:20:37,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 14:20:37,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 14:20:37,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 14:20:37,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 14:20:37,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 14:20:37,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 14:20:37,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 14:20:37,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 14:20:37,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 14:20:37,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 14:20:37,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 14:20:37,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 14:20:37,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 14:20:37,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 14:20:37,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 14:20:37,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 14:20:37,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 14:20:37,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 14:20:37,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 14:20:37,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 14:20:37,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 14:20:37,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 14:20:37,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 14:20:37,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 14:20:37,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 14:20:37,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 14:20:37,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 14:20:37,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 14:20:37,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 14:20:37,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 14:20:37,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 14:20:37,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 14:20:37,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 14:20:37,825 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 14:20:37,826 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-02 14:20:37,841 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 14:20:37,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 14:20:37,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 14:20:37,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 14:20:37,843 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 14:20:37,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 14:20:37,843 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 14:20:37,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 14:20:37,844 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 14:20:37,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 14:20:37,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 14:20:37,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 14:20:37,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 14:20:37,845 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 14:20:37,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 14:20:37,845 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 14:20:37,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 14:20:37,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 14:20:37,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 14:20:37,846 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 14:20:37,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 14:20:37,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 14:20:37,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 14:20:37,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 14:20:37,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 14:20:37,847 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 14:20:37,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 14:20:37,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 14:20:37,848 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 14:20:37,878 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 14:20:37,897 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 14:20:37,901 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 14:20:37,902 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 14:20:37,904 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 14:20:37,905 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product63.cil.c [2019-10-02 14:20:37,976 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8123e566/103a54a37a114cdda4dd8d56cfc721cb/FLAG9c797502f [2019-10-02 14:20:38,457 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 14:20:38,458 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product63.cil.c [2019-10-02 14:20:38,476 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8123e566/103a54a37a114cdda4dd8d56cfc721cb/FLAG9c797502f [2019-10-02 14:20:38,812 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8123e566/103a54a37a114cdda4dd8d56cfc721cb [2019-10-02 14:20:38,824 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 14:20:38,825 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 14:20:38,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 14:20:38,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 14:20:38,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 14:20:38,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 02:20:38" (1/1) ... [2019-10-02 14:20:38,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aceb178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:38, skipping insertion in model container [2019-10-02 14:20:38,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 02:20:38" (1/1) ... [2019-10-02 14:20:38,844 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 14:20:38,914 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 14:20:39,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 14:20:39,475 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 14:20:39,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 14:20:39,635 INFO L192 MainTranslator]: Completed translation [2019-10-02 14:20:39,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:39 WrapperNode [2019-10-02 14:20:39,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 14:20:39,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 14:20:39,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 14:20:39,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 14:20:39,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:39" (1/1) ... [2019-10-02 14:20:39,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:39" (1/1) ... [2019-10-02 14:20:39,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:39" (1/1) ... [2019-10-02 14:20:39,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:39" (1/1) ... [2019-10-02 14:20:39,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:39" (1/1) ... [2019-10-02 14:20:39,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:39" (1/1) ... [2019-10-02 14:20:39,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:39" (1/1) ... [2019-10-02 14:20:39,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 14:20:39,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 14:20:39,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 14:20:39,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 14:20:39,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:39" (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 [2019-10-02 14:20:39,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 14:20:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 14:20:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-02 14:20:39,787 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-02 14:20:39,788 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-02 14:20:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-02 14:20:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-02 14:20:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-02 14:20:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-02 14:20:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-02 14:20:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-02 14:20:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-02 14:20:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-02 14:20:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-02 14:20:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-02 14:20:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-02 14:20:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-02 14:20:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-02 14:20:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-02 14:20:39,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-02 14:20:39,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-02 14:20:39,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-02 14:20:39,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-02 14:20:39,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-02 14:20:39,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-02 14:20:39,794 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-02 14:20:39,794 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-02 14:20:39,794 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-02 14:20:39,794 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-02 14:20:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 14:20:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-02 14:20:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-02 14:20:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-02 14:20:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-02 14:20:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-02 14:20:39,796 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-02 14:20:39,796 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-02 14:20:39,796 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-02 14:20:39,796 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-02 14:20:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-02 14:20:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-02 14:20:39,799 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-02 14:20:39,800 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-02 14:20:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 14:20:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 14:20:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-02 14:20:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-02 14:20:39,800 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-02 14:20:39,801 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-02 14:20:39,801 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-02 14:20:39,801 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-02 14:20:39,801 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-02 14:20:39,801 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-02 14:20:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-02 14:20:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-02 14:20:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-02 14:20:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-02 14:20:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-02 14:20:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-02 14:20:39,802 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-02 14:20:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-02 14:20:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-02 14:20:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-02 14:20:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-02 14:20:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-02 14:20:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-02 14:20:39,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 14:20:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-02 14:20:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-02 14:20:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-02 14:20:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-02 14:20:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-02 14:20:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-02 14:20:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 14:20:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 14:20:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-02 14:20:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 14:20:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 14:20:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 14:20:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 14:20:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-02 14:20:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 14:20:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-02 14:20:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-02 14:20:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 14:20:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-02 14:20:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-02 14:20:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-02 14:20:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-02 14:20:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-02 14:20:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-02 14:20:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-02 14:20:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-02 14:20:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-02 14:20:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 14:20:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-02 14:20:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-02 14:20:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 14:20:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 14:20:39,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 14:20:40,999 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 14:20:41,000 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-02 14:20:41,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 02:20:41 BoogieIcfgContainer [2019-10-02 14:20:41,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 14:20:41,005 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 14:20:41,005 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 14:20:41,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 14:20:41,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 02:20:38" (1/3) ... [2019-10-02 14:20:41,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7784c536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 02:20:41, skipping insertion in model container [2019-10-02 14:20:41,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:39" (2/3) ... [2019-10-02 14:20:41,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7784c536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 02:20:41, skipping insertion in model container [2019-10-02 14:20:41,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 02:20:41" (3/3) ... [2019-10-02 14:20:41,014 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product63.cil.c [2019-10-02 14:20:41,025 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 14:20:41,039 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 14:20:41,057 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 14:20:41,090 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 14:20:41,091 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 14:20:41,091 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 14:20:41,091 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 14:20:41,091 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 14:20:41,092 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 14:20:41,092 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 14:20:41,092 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 14:20:41,092 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 14:20:41,117 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2019-10-02 14:20:41,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-02 14:20:41,127 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:41,128 INFO L411 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] [2019-10-02 14:20:41,131 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:41,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:41,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1613581470, now seen corresponding path program 1 times [2019-10-02 14:20:41,139 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:41,140 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:41,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:41,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:41,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:41,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:20:41,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:41,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-02 14:20:41,486 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-02 14:20:41,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-02 14:20:41,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 14:20:41,504 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 2 states. [2019-10-02 14:20:41,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:41,571 INFO L93 Difference]: Finished difference Result 312 states and 391 transitions. [2019-10-02 14:20:41,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-02 14:20:41,575 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-02 14:20:41,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:41,594 INFO L225 Difference]: With dead ends: 312 [2019-10-02 14:20:41,594 INFO L226 Difference]: Without dead ends: 156 [2019-10-02 14:20:41,599 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 14:20:41,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-10-02 14:20:41,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2019-10-02 14:20:41,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-10-02 14:20:41,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 187 transitions. [2019-10-02 14:20:41,654 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 187 transitions. Word has length 46 [2019-10-02 14:20:41,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:41,655 INFO L475 AbstractCegarLoop]: Abstraction has 156 states and 187 transitions. [2019-10-02 14:20:41,655 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-02 14:20:41,655 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 187 transitions. [2019-10-02 14:20:41,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-02 14:20:41,659 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:41,659 INFO L411 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] [2019-10-02 14:20:41,659 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:41,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:41,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1476283687, now seen corresponding path program 1 times [2019-10-02 14:20:41,660 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:41,660 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:41,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:41,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:41,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:41,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:20:41,783 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:41,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 14:20:41,785 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 14:20:41,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 14:20:41,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 14:20:41,787 INFO L87 Difference]: Start difference. First operand 156 states and 187 transitions. Second operand 3 states. [2019-10-02 14:20:41,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:41,839 INFO L93 Difference]: Finished difference Result 255 states and 305 transitions. [2019-10-02 14:20:41,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 14:20:41,841 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-02 14:20:41,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:41,845 INFO L225 Difference]: With dead ends: 255 [2019-10-02 14:20:41,845 INFO L226 Difference]: Without dead ends: 147 [2019-10-02 14:20:41,848 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 14:20:41,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-10-02 14:20:41,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2019-10-02 14:20:41,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-10-02 14:20:41,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 175 transitions. [2019-10-02 14:20:41,884 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 175 transitions. Word has length 47 [2019-10-02 14:20:41,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:41,884 INFO L475 AbstractCegarLoop]: Abstraction has 147 states and 175 transitions. [2019-10-02 14:20:41,884 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 14:20:41,884 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 175 transitions. [2019-10-02 14:20:41,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-02 14:20:41,889 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:41,889 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:20:41,890 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:41,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:41,894 INFO L82 PathProgramCache]: Analyzing trace with hash 474549322, now seen corresponding path program 1 times [2019-10-02 14:20:41,894 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:41,894 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:41,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:41,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:41,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:42,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:20:42,123 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:42,123 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 14:20:42,124 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 14:20:42,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 14:20:42,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-02 14:20:42,125 INFO L87 Difference]: Start difference. First operand 147 states and 175 transitions. Second operand 7 states. [2019-10-02 14:20:42,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:42,776 INFO L93 Difference]: Finished difference Result 443 states and 543 transitions. [2019-10-02 14:20:42,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 14:20:42,778 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-02 14:20:42,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:42,789 INFO L225 Difference]: With dead ends: 443 [2019-10-02 14:20:42,790 INFO L226 Difference]: Without dead ends: 320 [2019-10-02 14:20:42,795 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-02 14:20:42,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2019-10-02 14:20:42,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 312. [2019-10-02 14:20:42,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2019-10-02 14:20:42,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 382 transitions. [2019-10-02 14:20:42,876 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 382 transitions. Word has length 51 [2019-10-02 14:20:42,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:42,877 INFO L475 AbstractCegarLoop]: Abstraction has 312 states and 382 transitions. [2019-10-02 14:20:42,877 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 14:20:42,877 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 382 transitions. [2019-10-02 14:20:42,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-02 14:20:42,881 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:42,881 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:20:42,881 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:42,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:42,882 INFO L82 PathProgramCache]: Analyzing trace with hash 912243430, now seen corresponding path program 1 times [2019-10-02 14:20:42,882 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:42,882 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:42,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:42,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:42,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:42,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:20:42,986 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:42,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 14:20:42,988 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 14:20:42,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 14:20:42,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 14:20:42,989 INFO L87 Difference]: Start difference. First operand 312 states and 382 transitions. Second operand 6 states. [2019-10-02 14:20:43,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:43,261 INFO L93 Difference]: Finished difference Result 873 states and 1094 transitions. [2019-10-02 14:20:43,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 14:20:43,262 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-10-02 14:20:43,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:43,268 INFO L225 Difference]: With dead ends: 873 [2019-10-02 14:20:43,268 INFO L226 Difference]: Without dead ends: 585 [2019-10-02 14:20:43,270 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-02 14:20:43,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2019-10-02 14:20:43,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 579. [2019-10-02 14:20:43,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2019-10-02 14:20:43,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 714 transitions. [2019-10-02 14:20:43,319 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 714 transitions. Word has length 57 [2019-10-02 14:20:43,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:43,321 INFO L475 AbstractCegarLoop]: Abstraction has 579 states and 714 transitions. [2019-10-02 14:20:43,321 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 14:20:43,321 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 714 transitions. [2019-10-02 14:20:43,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-02 14:20:43,331 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:43,332 INFO L411 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] [2019-10-02 14:20:43,332 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:43,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:43,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1983295510, now seen corresponding path program 1 times [2019-10-02 14:20:43,333 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:43,333 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:43,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:43,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:43,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:43,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:20:43,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:43,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 14:20:43,479 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 14:20:43,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 14:20:43,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 14:20:43,480 INFO L87 Difference]: Start difference. First operand 579 states and 714 transitions. Second operand 6 states. [2019-10-02 14:20:43,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:43,759 INFO L93 Difference]: Finished difference Result 1364 states and 1744 transitions. [2019-10-02 14:20:43,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 14:20:43,760 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-10-02 14:20:43,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:43,768 INFO L225 Difference]: With dead ends: 1364 [2019-10-02 14:20:43,769 INFO L226 Difference]: Without dead ends: 809 [2019-10-02 14:20:43,772 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-02 14:20:43,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2019-10-02 14:20:43,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 791. [2019-10-02 14:20:43,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2019-10-02 14:20:43,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 967 transitions. [2019-10-02 14:20:43,865 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 967 transitions. Word has length 61 [2019-10-02 14:20:43,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:43,865 INFO L475 AbstractCegarLoop]: Abstraction has 791 states and 967 transitions. [2019-10-02 14:20:43,866 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 14:20:43,866 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 967 transitions. [2019-10-02 14:20:43,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-02 14:20:43,869 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:43,869 INFO L411 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, 1, 1, 1, 1] [2019-10-02 14:20:43,870 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:43,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:43,870 INFO L82 PathProgramCache]: Analyzing trace with hash -575696431, now seen corresponding path program 1 times [2019-10-02 14:20:43,870 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:43,870 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:43,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:43,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:43,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:43,955 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:20:43,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:43,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 14:20:43,956 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 14:20:43,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 14:20:43,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 14:20:43,957 INFO L87 Difference]: Start difference. First operand 791 states and 967 transitions. Second operand 6 states. [2019-10-02 14:20:44,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:44,015 INFO L93 Difference]: Finished difference Result 1586 states and 2014 transitions. [2019-10-02 14:20:44,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 14:20:44,017 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2019-10-02 14:20:44,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:44,026 INFO L225 Difference]: With dead ends: 1586 [2019-10-02 14:20:44,026 INFO L226 Difference]: Without dead ends: 819 [2019-10-02 14:20:44,029 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-02 14:20:44,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2019-10-02 14:20:44,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 811. [2019-10-02 14:20:44,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2019-10-02 14:20:44,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 987 transitions. [2019-10-02 14:20:44,083 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 987 transitions. Word has length 103 [2019-10-02 14:20:44,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:44,085 INFO L475 AbstractCegarLoop]: Abstraction has 811 states and 987 transitions. [2019-10-02 14:20:44,085 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 14:20:44,085 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 987 transitions. [2019-10-02 14:20:44,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-02 14:20:44,088 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:44,089 INFO L411 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, 1, 1, 1, 1] [2019-10-02 14:20:44,089 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:44,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:44,090 INFO L82 PathProgramCache]: Analyzing trace with hash -928784813, now seen corresponding path program 1 times [2019-10-02 14:20:44,090 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:44,090 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:44,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:44,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:44,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:44,215 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:20:44,215 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:44,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-02 14:20:44,216 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 14:20:44,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 14:20:44,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-02 14:20:44,217 INFO L87 Difference]: Start difference. First operand 811 states and 987 transitions. Second operand 8 states. [2019-10-02 14:20:44,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:44,278 INFO L93 Difference]: Finished difference Result 1626 states and 2054 transitions. [2019-10-02 14:20:44,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 14:20:44,279 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-10-02 14:20:44,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:44,286 INFO L225 Difference]: With dead ends: 1626 [2019-10-02 14:20:44,286 INFO L226 Difference]: Without dead ends: 839 [2019-10-02 14:20:44,289 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-02 14:20:44,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2019-10-02 14:20:44,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 827. [2019-10-02 14:20:44,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2019-10-02 14:20:44,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1003 transitions. [2019-10-02 14:20:44,338 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1003 transitions. Word has length 103 [2019-10-02 14:20:44,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:44,338 INFO L475 AbstractCegarLoop]: Abstraction has 827 states and 1003 transitions. [2019-10-02 14:20:44,338 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 14:20:44,339 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1003 transitions. [2019-10-02 14:20:44,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-02 14:20:44,341 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:44,341 INFO L411 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, 1, 1, 1, 1] [2019-10-02 14:20:44,342 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:44,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:44,342 INFO L82 PathProgramCache]: Analyzing trace with hash 204405780, now seen corresponding path program 1 times [2019-10-02 14:20:44,342 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:44,342 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:44,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:44,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:44,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:44,473 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:20:44,474 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:44,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 14:20:44,476 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 14:20:44,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 14:20:44,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-02 14:20:44,478 INFO L87 Difference]: Start difference. First operand 827 states and 1003 transitions. Second operand 4 states. [2019-10-02 14:20:44,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:44,792 INFO L93 Difference]: Finished difference Result 2661 states and 3378 transitions. [2019-10-02 14:20:44,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 14:20:44,792 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2019-10-02 14:20:44,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:44,806 INFO L225 Difference]: With dead ends: 2661 [2019-10-02 14:20:44,806 INFO L226 Difference]: Without dead ends: 1858 [2019-10-02 14:20:44,810 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-02 14:20:44,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1858 states. [2019-10-02 14:20:44,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1858 to 1827. [2019-10-02 14:20:44,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2019-10-02 14:20:44,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2263 transitions. [2019-10-02 14:20:44,907 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2263 transitions. Word has length 103 [2019-10-02 14:20:44,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:44,907 INFO L475 AbstractCegarLoop]: Abstraction has 1827 states and 2263 transitions. [2019-10-02 14:20:44,908 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 14:20:44,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2263 transitions. [2019-10-02 14:20:44,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-02 14:20:44,912 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:44,912 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:20:44,912 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:44,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:44,913 INFO L82 PathProgramCache]: Analyzing trace with hash -796699686, now seen corresponding path program 1 times [2019-10-02 14:20:44,913 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:44,913 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:44,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:44,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:44,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:45,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-02 14:20:45,057 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:20:45,057 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:20:45,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:45,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 14:20:45,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:20:45,560 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:20:45,568 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:20:45,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-10-02 14:20:45,569 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-10-02 14:20:45,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-10-02 14:20:45,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-10-02 14:20:45,571 INFO L87 Difference]: Start difference. First operand 1827 states and 2263 transitions. Second operand 19 states. [2019-10-02 14:20:47,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:47,026 INFO L93 Difference]: Finished difference Result 3614 states and 4534 transitions. [2019-10-02 14:20:47,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-02 14:20:47,027 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 107 [2019-10-02 14:20:47,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:47,038 INFO L225 Difference]: With dead ends: 3614 [2019-10-02 14:20:47,039 INFO L226 Difference]: Without dead ends: 1811 [2019-10-02 14:20:47,045 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2019-10-02 14:20:47,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2019-10-02 14:20:47,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1811. [2019-10-02 14:20:47,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1811 states. [2019-10-02 14:20:47,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2193 transitions. [2019-10-02 14:20:47,190 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2193 transitions. Word has length 107 [2019-10-02 14:20:47,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:47,191 INFO L475 AbstractCegarLoop]: Abstraction has 1811 states and 2193 transitions. [2019-10-02 14:20:47,191 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-10-02 14:20:47,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2193 transitions. [2019-10-02 14:20:47,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-10-02 14:20:47,199 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:47,199 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:20:47,199 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:47,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:47,200 INFO L82 PathProgramCache]: Analyzing trace with hash 834993459, now seen corresponding path program 1 times [2019-10-02 14:20:47,200 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:47,200 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:47,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:47,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:47,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:47,327 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-02 14:20:47,328 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:20:47,328 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:20:47,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:47,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 14:20:47,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:20:47,624 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-02 14:20:47,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:20:47,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2019-10-02 14:20:47,642 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 14:20:47,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 14:20:47,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-02 14:20:47,645 INFO L87 Difference]: Start difference. First operand 1811 states and 2193 transitions. Second operand 6 states. [2019-10-02 14:20:48,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:48,673 INFO L93 Difference]: Finished difference Result 4169 states and 5321 transitions. [2019-10-02 14:20:48,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 14:20:48,673 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 180 [2019-10-02 14:20:48,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:48,695 INFO L225 Difference]: With dead ends: 4169 [2019-10-02 14:20:48,695 INFO L226 Difference]: Without dead ends: 2718 [2019-10-02 14:20:48,702 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-10-02 14:20:48,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2718 states. [2019-10-02 14:20:48,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2718 to 2393. [2019-10-02 14:20:48,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2393 states. [2019-10-02 14:20:48,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2393 states to 2393 states and 2919 transitions. [2019-10-02 14:20:48,871 INFO L78 Accepts]: Start accepts. Automaton has 2393 states and 2919 transitions. Word has length 180 [2019-10-02 14:20:48,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:48,872 INFO L475 AbstractCegarLoop]: Abstraction has 2393 states and 2919 transitions. [2019-10-02 14:20:48,872 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 14:20:48,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2393 states and 2919 transitions. [2019-10-02 14:20:48,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-10-02 14:20:48,886 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:48,886 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:20:48,887 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:48,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:48,888 INFO L82 PathProgramCache]: Analyzing trace with hash 649218157, now seen corresponding path program 1 times [2019-10-02 14:20:48,888 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:48,888 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:48,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:48,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:48,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:49,106 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-02 14:20:49,106 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:20:49,107 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:20:49,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:49,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 14:20:49,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:20:49,612 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-02 14:20:49,628 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:20:49,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-10-02 14:20:49,631 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-10-02 14:20:49,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-10-02 14:20:49,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-10-02 14:20:49,633 INFO L87 Difference]: Start difference. First operand 2393 states and 2919 transitions. Second operand 19 states. [2019-10-02 14:20:51,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:51,196 INFO L93 Difference]: Finished difference Result 4183 states and 5191 transitions. [2019-10-02 14:20:51,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-02 14:20:51,197 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 176 [2019-10-02 14:20:51,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:51,199 INFO L225 Difference]: With dead ends: 4183 [2019-10-02 14:20:51,199 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 14:20:51,211 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 173 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2019-10-02 14:20:51,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 14:20:51,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 14:20:51,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 14:20:51,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 14:20:51,213 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2019-10-02 14:20:51,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:51,214 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 14:20:51,214 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-10-02 14:20:51,214 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 14:20:51,214 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 14:20:51,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-02 14:20:52,767 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 17 [2019-10-02 14:20:53,145 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 22 [2019-10-02 14:20:53,735 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 21 [2019-10-02 14:20:54,007 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 17 [2019-10-02 14:20:54,193 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 23 [2019-10-02 14:20:54,373 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 19 [2019-10-02 14:20:54,825 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 19 [2019-10-02 14:20:55,101 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 17 [2019-10-02 14:20:55,275 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 14 [2019-10-02 14:20:55,507 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 17 [2019-10-02 14:20:55,775 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 27 [2019-10-02 14:20:56,167 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 21 [2019-10-02 14:20:56,505 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 17 [2019-10-02 14:20:56,917 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 12 [2019-10-02 14:20:57,125 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 25 [2019-10-02 14:20:57,317 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 20 [2019-10-02 14:20:57,648 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 28 [2019-10-02 14:20:57,984 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 15 [2019-10-02 14:20:57,987 INFO L443 ceAbstractionStarter]: For program point L469(lines 469 473) no Hoare annotation was computed. [2019-10-02 14:20:57,987 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 469 473) no Hoare annotation was computed. [2019-10-02 14:20:57,988 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 438 493) no Hoare annotation was computed. [2019-10-02 14:20:57,988 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-02 14:20:57,988 INFO L443 ceAbstractionStarter]: For program point L463-2(lines 463 484) no Hoare annotation was computed. [2019-10-02 14:20:57,988 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 438 493) no Hoare annotation was computed. [2019-10-02 14:20:57,988 INFO L443 ceAbstractionStarter]: For program point L485(lines 462 486) no Hoare annotation was computed. [2019-10-02 14:20:57,988 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 438 493) no Hoare annotation was computed. [2019-10-02 14:20:57,988 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-10-02 14:20:57,988 INFO L443 ceAbstractionStarter]: For program point L539-1(line 539) no Hoare annotation was computed. [2019-10-02 14:20:57,988 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 494 553) no Hoare annotation was computed. [2019-10-02 14:20:57,988 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 494 553) no Hoare annotation was computed. [2019-10-02 14:20:57,989 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 530) no Hoare annotation was computed. [2019-10-02 14:20:57,989 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 526 530) no Hoare annotation was computed. [2019-10-02 14:20:57,989 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 494 553) no Hoare annotation was computed. [2019-10-02 14:20:57,989 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-10-02 14:20:57,989 INFO L443 ceAbstractionStarter]: For program point L520-2(lines 520 545) no Hoare annotation was computed. [2019-10-02 14:20:57,989 INFO L443 ceAbstractionStarter]: For program point L546(lines 519 547) no Hoare annotation was computed. [2019-10-02 14:20:57,989 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 999 1005) the Hoare annotation is: true [2019-10-02 14:20:57,989 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 999 1005) no Hoare annotation was computed. [2019-10-02 14:20:57,990 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 1006 1014) no Hoare annotation was computed. [2019-10-02 14:20:57,990 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 1006 1014) the Hoare annotation is: true [2019-10-02 14:20:57,990 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 1006 1014) no Hoare annotation was computed. [2019-10-02 14:20:57,990 INFO L439 ceAbstractionStarter]: At program point L833(line 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:20:57,990 INFO L439 ceAbstractionStarter]: At program point L833-1(line 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:20:57,990 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 827 849) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:20:57,991 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 827 849) no Hoare annotation was computed. [2019-10-02 14:20:57,991 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 827 849) no Hoare annotation was computed. [2019-10-02 14:20:57,991 INFO L439 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= main_~tmp~10 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:20:57,991 INFO L439 ceAbstractionStarter]: At program point L839-1(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= main_~tmp~10 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:20:57,991 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 844) no Hoare annotation was computed. [2019-10-02 14:20:57,991 INFO L443 ceAbstractionStarter]: For program point L837-1(lines 837 844) no Hoare annotation was computed. [2019-10-02 14:20:57,991 INFO L443 ceAbstractionStarter]: For program point L835(line 835) no Hoare annotation was computed. [2019-10-02 14:20:57,992 INFO L439 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:20:57,992 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-10-02 14:20:57,992 INFO L443 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2019-10-02 14:20:57,992 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 783 806) no Hoare annotation was computed. [2019-10-02 14:20:57,992 INFO L443 ceAbstractionStarter]: For program point L799(line 799) no Hoare annotation was computed. [2019-10-02 14:20:57,992 INFO L443 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2019-10-02 14:20:57,992 INFO L443 ceAbstractionStarter]: For program point L797(line 797) no Hoare annotation was computed. [2019-10-02 14:20:57,993 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 783 806) no Hoare annotation was computed. [2019-10-02 14:20:57,993 INFO L443 ceAbstractionStarter]: For program point L796(line 796) no Hoare annotation was computed. [2019-10-02 14:20:57,993 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 783 806) no Hoare annotation was computed. [2019-10-02 14:20:57,993 INFO L443 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2019-10-02 14:20:57,993 INFO L443 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2019-10-02 14:20:57,993 INFO L443 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2019-10-02 14:20:57,993 INFO L443 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2019-10-02 14:20:57,993 INFO L443 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2019-10-02 14:20:57,994 INFO L443 ceAbstractionStarter]: For program point L790(line 790) no Hoare annotation was computed. [2019-10-02 14:20:57,994 INFO L443 ceAbstractionStarter]: For program point L789(line 789) no Hoare annotation was computed. [2019-10-02 14:20:57,994 INFO L443 ceAbstractionStarter]: For program point L788(line 788) no Hoare annotation was computed. [2019-10-02 14:20:57,994 INFO L439 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2019-10-02 14:20:57,994 INFO L439 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2019-10-02 14:20:57,994 INFO L443 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2019-10-02 14:20:57,994 INFO L439 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2019-10-02 14:20:57,994 INFO L443 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2019-10-02 14:20:57,994 INFO L443 ceAbstractionStarter]: For program point L117(lines 117 134) no Hoare annotation was computed. [2019-10-02 14:20:57,995 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 113 137) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-02 14:20:57,995 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 113 137) no Hoare annotation was computed. [2019-10-02 14:20:57,995 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-02 14:20:57,995 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2019-10-02 14:20:57,995 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 291 305) no Hoare annotation was computed. [2019-10-02 14:20:57,995 INFO L439 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (let ((.cse3 (not (= |old(~systemActive~0)| 1))) (.cse2 (= 1 ~systemActive~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= |old(~systemActive~0)| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse4) (or .cse0 .cse3 .cse2) (or .cse1 .cse4) (or .cse0 .cse6 .cse5))) [2019-10-02 14:20:57,995 INFO L443 ceAbstractionStarter]: For program point L295(lines 295 301) no Hoare annotation was computed. [2019-10-02 14:20:57,995 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 291 305) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (not (= |old(~systemActive~0)| 1))) (.cse3 (= 1 ~systemActive~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= |old(~systemActive~0)| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse5 .cse6 .cse2) (or (or .cse7 .cse0) .cse1) (or .cse7 .cse4 .cse3) (or .cse7 .cse6 .cse5))) [2019-10-02 14:20:57,995 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 291 305) no Hoare annotation was computed. [2019-10-02 14:20:57,996 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 208 216) no Hoare annotation was computed. [2019-10-02 14:20:57,996 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 208 216) the Hoare annotation is: true [2019-10-02 14:20:57,996 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 208 216) no Hoare annotation was computed. [2019-10-02 14:20:57,996 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 272 290) the Hoare annotation is: true [2019-10-02 14:20:57,996 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 285) no Hoare annotation was computed. [2019-10-02 14:20:57,996 INFO L446 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: true [2019-10-02 14:20:57,996 INFO L443 ceAbstractionStarter]: For program point L281-2(lines 281 285) no Hoare annotation was computed. [2019-10-02 14:20:57,996 INFO L443 ceAbstractionStarter]: For program point L279-1(line 279) no Hoare annotation was computed. [2019-10-02 14:20:57,996 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 272 290) no Hoare annotation was computed. [2019-10-02 14:20:57,996 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 272 290) no Hoare annotation was computed. [2019-10-02 14:20:57,996 INFO L443 ceAbstractionStarter]: For program point L224(lines 224 232) no Hoare annotation was computed. [2019-10-02 14:20:57,996 INFO L443 ceAbstractionStarter]: For program point L224-2(lines 224 232) no Hoare annotation was computed. [2019-10-02 14:20:57,997 INFO L443 ceAbstractionStarter]: For program point L247(line 247) no Hoare annotation was computed. [2019-10-02 14:20:57,997 INFO L443 ceAbstractionStarter]: For program point L247-1(line 247) no Hoare annotation was computed. [2019-10-02 14:20:57,997 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 217 252) no Hoare annotation was computed. [2019-10-02 14:20:57,997 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 244) no Hoare annotation was computed. [2019-10-02 14:20:57,997 INFO L443 ceAbstractionStarter]: For program point L236-2(lines 236 244) no Hoare annotation was computed. [2019-10-02 14:20:57,997 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 217 252) no Hoare annotation was computed. [2019-10-02 14:20:57,997 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 217 252) no Hoare annotation was computed. [2019-10-02 14:20:57,997 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 992 998) no Hoare annotation was computed. [2019-10-02 14:20:57,997 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 992 998) the Hoare annotation is: true [2019-10-02 14:20:57,998 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 392 437) no Hoare annotation was computed. [2019-10-02 14:20:57,998 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 392 437) no Hoare annotation was computed. [2019-10-02 14:20:57,998 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 392 437) no Hoare annotation was computed. [2019-10-02 14:20:57,998 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 705 750) no Hoare annotation was computed. [2019-10-02 14:20:57,998 INFO L443 ceAbstractionStarter]: For program point L725(lines 725 732) no Hoare annotation was computed. [2019-10-02 14:20:57,998 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 739) no Hoare annotation was computed. [2019-10-02 14:20:57,998 INFO L443 ceAbstractionStarter]: For program point L719-1(lines 719 739) no Hoare annotation was computed. [2019-10-02 14:20:57,998 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 705 750) no Hoare annotation was computed. [2019-10-02 14:20:57,999 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 705 750) no Hoare annotation was computed. [2019-10-02 14:20:57,999 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 814 823) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:20:57,999 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 814 823) no Hoare annotation was computed. [2019-10-02 14:20:57,999 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 814 823) no Hoare annotation was computed. [2019-10-02 14:20:57,999 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 197 207) the Hoare annotation is: true [2019-10-02 14:20:57,999 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 197 207) no Hoare annotation was computed. [2019-10-02 14:20:57,999 INFO L446 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: true [2019-10-02 14:20:58,000 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-10-02 14:20:58,000 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 197 207) no Hoare annotation was computed. [2019-10-02 14:20:58,000 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 189 196) the Hoare annotation is: true [2019-10-02 14:20:58,000 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 189 196) no Hoare annotation was computed. [2019-10-02 14:20:58,000 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 189 196) no Hoare annotation was computed. [2019-10-02 14:20:58,000 INFO L443 ceAbstractionStarter]: For program point L961(lines 961 967) no Hoare annotation was computed. [2019-10-02 14:20:58,000 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 957 970) no Hoare annotation was computed. [2019-10-02 14:20:58,000 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 957 970) the Hoare annotation is: true [2019-10-02 14:20:58,001 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 957 970) no Hoare annotation was computed. [2019-10-02 14:20:58,001 INFO L439 ceAbstractionStarter]: At program point L158(line 158) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2019-10-02 14:20:58,001 INFO L443 ceAbstractionStarter]: For program point L158-1(lines 139 163) no Hoare annotation was computed. [2019-10-02 14:20:58,001 INFO L439 ceAbstractionStarter]: At program point L153(line 153) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (= ~methaneLevelCritical~0 processEnvironment_~tmp~2)) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2019-10-02 14:20:58,001 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 139 163) no Hoare annotation was computed. [2019-10-02 14:20:58,001 INFO L439 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse1 .cse0 (= ~methaneLevelCritical~0 processEnvironment_~tmp~2)) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-02 14:20:58,002 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 139 163) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse0 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-02 14:20:58,002 INFO L443 ceAbstractionStarter]: For program point L147(lines 147 155) no Hoare annotation was computed. [2019-10-02 14:20:58,002 INFO L439 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2019-10-02 14:20:58,002 INFO L443 ceAbstractionStarter]: For program point L145-1(line 145) no Hoare annotation was computed. [2019-10-02 14:20:58,002 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 160) no Hoare annotation was computed. [2019-10-02 14:20:58,002 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2019-10-02 14:20:58,002 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2019-10-02 14:20:58,003 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 310 375) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:20:58,003 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 310 375) no Hoare annotation was computed. [2019-10-02 14:20:58,003 INFO L439 ceAbstractionStarter]: At program point L368(lines 319 369) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:20:58,003 INFO L439 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse3) (and .cse1 .cse2 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-02 14:20:58,003 INFO L443 ceAbstractionStarter]: For program point L356(lines 356 362) no Hoare annotation was computed. [2019-10-02 14:20:58,003 INFO L439 ceAbstractionStarter]: At program point L356-1(lines 350 363) the Hoare annotation is: (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse4 (= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse4) (and .cse0 .cse1 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-02 14:20:58,004 INFO L443 ceAbstractionStarter]: For program point L321(lines 320 367) no Hoare annotation was computed. [2019-10-02 14:20:58,004 INFO L443 ceAbstractionStarter]: For program point L350(lines 350 363) no Hoare annotation was computed. [2019-10-02 14:20:58,004 INFO L439 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (not (= 0 ~systemActive~0))) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 (= 1 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-02 14:20:58,004 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 346) no Hoare annotation was computed. [2019-10-02 14:20:58,004 INFO L443 ceAbstractionStarter]: For program point L340-1(lines 340 346) no Hoare annotation was computed. [2019-10-02 14:20:58,004 INFO L439 ceAbstractionStarter]: At program point L365(lines 320 367) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (not (= 0 ~systemActive~0))) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 (= 1 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-02 14:20:58,005 INFO L439 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (not (= 0 ~systemActive~0))) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 (= 1 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-02 14:20:58,005 INFO L443 ceAbstractionStarter]: For program point L330(lines 330 336) no Hoare annotation was computed. [2019-10-02 14:20:58,005 INFO L443 ceAbstractionStarter]: For program point L330-1(lines 330 336) no Hoare annotation was computed. [2019-10-02 14:20:58,005 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 310 375) no Hoare annotation was computed. [2019-10-02 14:20:58,005 INFO L443 ceAbstractionStarter]: For program point L322(lines 322 326) no Hoare annotation was computed. [2019-10-02 14:20:58,005 INFO L443 ceAbstractionStarter]: For program point L673(lines 673 693) no Hoare annotation was computed. [2019-10-02 14:20:58,005 INFO L443 ceAbstractionStarter]: For program point L673-1(lines 673 693) no Hoare annotation was computed. [2019-10-02 14:20:58,005 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 659 704) no Hoare annotation was computed. [2019-10-02 14:20:58,006 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 659 704) no Hoare annotation was computed. [2019-10-02 14:20:58,006 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 659 704) no Hoare annotation was computed. [2019-10-02 14:20:58,006 INFO L443 ceAbstractionStarter]: For program point L679(lines 679 686) no Hoare annotation was computed. [2019-10-02 14:20:58,006 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 164 171) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0) (not (= ~methaneLevelCritical~0 0))) [2019-10-02 14:20:58,006 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 164 171) no Hoare annotation was computed. [2019-10-02 14:20:58,006 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 164 171) no Hoare annotation was computed. [2019-10-02 14:20:58,006 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 971 979) no Hoare annotation was computed. [2019-10-02 14:20:58,006 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 971 979) the Hoare annotation is: true [2019-10-02 14:20:58,007 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 971 979) no Hoare annotation was computed. [2019-10-02 14:20:58,007 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 925 947) no Hoare annotation was computed. [2019-10-02 14:20:58,007 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 925 947) no Hoare annotation was computed. [2019-10-02 14:20:58,007 INFO L443 ceAbstractionStarter]: For program point L933(lines 933 941) no Hoare annotation was computed. [2019-10-02 14:20:58,007 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 925 947) no Hoare annotation was computed. [2019-10-02 14:20:58,007 INFO L443 ceAbstractionStarter]: For program point L933-2(lines 933 941) no Hoare annotation was computed. [2019-10-02 14:20:58,007 INFO L443 ceAbstractionStarter]: For program point L607(lines 607 611) no Hoare annotation was computed. [2019-10-02 14:20:58,007 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 556 658) no Hoare annotation was computed. [2019-10-02 14:20:58,007 INFO L443 ceAbstractionStarter]: For program point L605-2(lines 605 625) no Hoare annotation was computed. [2019-10-02 14:20:58,008 INFO L443 ceAbstractionStarter]: For program point L626(lines 604 627) no Hoare annotation was computed. [2019-10-02 14:20:58,008 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 601) no Hoare annotation was computed. [2019-10-02 14:20:58,008 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 556 658) no Hoare annotation was computed. [2019-10-02 14:20:58,008 INFO L443 ceAbstractionStarter]: For program point L645(lines 645 652) no Hoare annotation was computed. [2019-10-02 14:20:58,008 INFO L443 ceAbstractionStarter]: For program point L606(lines 605 625) no Hoare annotation was computed. [2019-10-02 14:20:58,008 INFO L443 ceAbstractionStarter]: For program point L637(line 637) no Hoare annotation was computed. [2019-10-02 14:20:58,008 INFO L443 ceAbstractionStarter]: For program point L637-1(line 637) no Hoare annotation was computed. [2019-10-02 14:20:58,008 INFO L443 ceAbstractionStarter]: For program point L602(lines 602 643) no Hoare annotation was computed. [2019-10-02 14:20:58,009 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 556 658) no Hoare annotation was computed. [2019-10-02 14:20:58,009 INFO L443 ceAbstractionStarter]: For program point L621(line 621) no Hoare annotation was computed. [2019-10-02 14:20:58,009 INFO L443 ceAbstractionStarter]: For program point L621-1(line 621) no Hoare annotation was computed. [2019-10-02 14:20:58,009 INFO L443 ceAbstractionStarter]: For program point L580(lines 580 584) no Hoare annotation was computed. [2019-10-02 14:20:58,009 INFO L443 ceAbstractionStarter]: For program point L644(lines 644 655) no Hoare annotation was computed. [2019-10-02 14:20:58,009 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 982 991) no Hoare annotation was computed. [2019-10-02 14:20:58,009 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 982 991) no Hoare annotation was computed. [2019-10-02 14:20:58,009 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 982 991) no Hoare annotation was computed. [2019-10-02 14:20:58,010 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:20:58,010 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~waterLevel~0)| ~waterLevel~0) [2019-10-02 14:20:58,010 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:20:58,010 INFO L439 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-02 14:20:58,010 INFO L443 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2019-10-02 14:20:58,010 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 172 188) no Hoare annotation was computed. [2019-10-02 14:20:58,010 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 172 188) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-02 14:20:58,011 INFO L439 ceAbstractionStarter]: At program point L183(line 183) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or (and (= ~methaneLevelCritical~0 activatePump_~tmp~3) (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-02 14:20:58,011 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 172 188) no Hoare annotation was computed. [2019-10-02 14:20:58,011 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 185) no Hoare annotation was computed. [2019-10-02 14:20:58,011 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 253 271) no Hoare annotation was computed. [2019-10-02 14:20:58,011 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2019-10-02 14:20:58,011 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 253 271) the Hoare annotation is: true [2019-10-02 14:20:58,011 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 253 271) no Hoare annotation was computed. [2019-10-02 14:20:58,012 INFO L446 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: true [2019-10-02 14:20:58,012 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2019-10-02 14:20:58,012 INFO L443 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2019-10-02 14:20:58,012 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 948 956) no Hoare annotation was computed. [2019-10-02 14:20:58,012 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 948 956) no Hoare annotation was computed. [2019-10-02 14:20:58,012 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 948 956) no Hoare annotation was computed. [2019-10-02 14:20:58,012 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 904 915) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= 1 ~methaneLevelCritical~0)) (or .cse0 .cse1 .cse2) (or .cse1 (= ~systemActive~0 0) .cse2))) [2019-10-02 14:20:58,012 INFO L443 ceAbstractionStarter]: For program point L908-1(lines 904 915) no Hoare annotation was computed. [2019-10-02 14:20:58,013 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 904 915) no Hoare annotation was computed. [2019-10-02 14:20:58,013 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:20:58,013 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-02 14:20:58,013 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:20:58,013 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 916 924) the Hoare annotation is: true [2019-10-02 14:20:58,013 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 916 924) no Hoare annotation was computed. [2019-10-02 14:20:58,013 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 916 924) no Hoare annotation was computed. [2019-10-02 14:20:58,014 INFO L439 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= ~systemActive~0 0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse1 .cse4) (or .cse0 .cse3 .cse2))) [2019-10-02 14:20:58,014 INFO L443 ceAbstractionStarter]: For program point L59(lines 58 77) no Hoare annotation was computed. [2019-10-02 14:20:58,014 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and .cse4 (= ~pumpRunning~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or .cse0 .cse5 .cse4)))) [2019-10-02 14:20:58,014 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2019-10-02 14:20:58,014 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2019-10-02 14:20:58,014 INFO L439 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (let ((.cse1 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= ~methaneLevelCritical~0 1)) .cse0))) [2019-10-02 14:20:58,015 INFO L439 ceAbstractionStarter]: At program point L66(lines 66 72) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and .cse4 .cse3))) (and (or .cse0 .cse1 .cse2) (or .cse0 (= ~systemActive~0 0) .cse3) (or .cse1 (and (<= 2 ~waterLevel~0) .cse4 (not (= 0 ~systemActive~0))) .cse2 (not (= ~methaneLevelCritical~0 0)))))) [2019-10-02 14:20:58,015 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 753 782) no Hoare annotation was computed. [2019-10-02 14:20:58,015 INFO L443 ceAbstractionStarter]: For program point L767(lines 767 771) no Hoare annotation was computed. [2019-10-02 14:20:58,015 INFO L446 ceAbstractionStarter]: At program point L767-1(lines 767 771) the Hoare annotation is: true [2019-10-02 14:20:58,015 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 753 782) the Hoare annotation is: true [2019-10-02 14:20:58,015 INFO L443 ceAbstractionStarter]: For program point L764(line 764) no Hoare annotation was computed. [2019-10-02 14:20:58,015 INFO L446 ceAbstractionStarter]: At program point L763-2(lines 763 777) the Hoare annotation is: true [2019-10-02 14:20:58,015 INFO L446 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: true [2019-10-02 14:20:58,016 INFO L443 ceAbstractionStarter]: For program point L759-1(line 759) no Hoare annotation was computed. [2019-10-02 14:20:58,016 INFO L446 ceAbstractionStarter]: At program point L778(lines 753 782) the Hoare annotation is: true [2019-10-02 14:20:58,016 INFO L443 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2019-10-02 14:20:58,016 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 880 891) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2019-10-02 14:20:58,016 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 880 891) no Hoare annotation was computed. [2019-10-02 14:20:58,016 INFO L443 ceAbstractionStarter]: For program point L884-1(lines 880 891) no Hoare annotation was computed. [2019-10-02 14:20:58,016 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 807 813) no Hoare annotation was computed. [2019-10-02 14:20:58,017 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 807 813) the Hoare annotation is: true [2019-10-02 14:20:58,017 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:20:58,017 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-02 14:20:58,017 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-02 14:20:58,017 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:20:58,017 INFO L439 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-02 14:20:58,017 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 87 111) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-02 14:20:58,017 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 103) no Hoare annotation was computed. [2019-10-02 14:20:58,018 INFO L439 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-02 14:20:58,018 INFO L443 ceAbstractionStarter]: For program point L93-1(line 93) no Hoare annotation was computed. [2019-10-02 14:20:58,018 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2019-10-02 14:20:58,018 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 108) no Hoare annotation was computed. [2019-10-02 14:20:58,018 INFO L439 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2019-10-02 14:20:58,018 INFO L443 ceAbstractionStarter]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2019-10-02 14:20:58,018 INFO L439 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~pumpRunning~0 0)))) (and (or .cse0 (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-02 14:20:58,019 INFO L443 ceAbstractionStarter]: For program point L896-1(lines 892 903) no Hoare annotation was computed. [2019-10-02 14:20:58,019 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 892 903) no Hoare annotation was computed. [2019-10-02 14:20:58,019 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 892 903) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= ~systemActive~0 0) .cse1) (or .cse0 .cse2 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2))) [2019-10-02 14:20:58,019 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 377 384) no Hoare annotation was computed. [2019-10-02 14:20:58,019 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 377 384) the Hoare annotation is: true [2019-10-02 14:20:58,019 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 381) no Hoare annotation was computed. [2019-10-02 14:20:58,019 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 377 384) no Hoare annotation was computed. [2019-10-02 14:20:58,020 INFO L439 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 .cse0))) [2019-10-02 14:20:58,020 INFO L443 ceAbstractionStarter]: For program point L863(lines 863 869) no Hoare annotation was computed. [2019-10-02 14:20:58,020 INFO L439 ceAbstractionStarter]: At program point L861(line 861) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2019-10-02 14:20:58,020 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 851 875) the Hoare annotation is: true [2019-10-02 14:20:58,020 INFO L443 ceAbstractionStarter]: For program point L861-1(line 861) no Hoare annotation was computed. [2019-10-02 14:20:58,020 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 872) no Hoare annotation was computed. [2019-10-02 14:20:58,020 INFO L443 ceAbstractionStarter]: For program point L859-1(lines 851 875) no Hoare annotation was computed. [2019-10-02 14:20:58,020 INFO L446 ceAbstractionStarter]: At program point L857(line 857) the Hoare annotation is: true [2019-10-02 14:20:58,020 INFO L443 ceAbstractionStarter]: For program point L857-1(line 857) no Hoare annotation was computed. [2019-10-02 14:20:58,020 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 851 875) no Hoare annotation was computed. [2019-10-02 14:20:58,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 02:20:58 BoogieIcfgContainer [2019-10-02 14:20:58,036 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 14:20:58,038 INFO L168 Benchmark]: Toolchain (without parser) took 19212.33 ms. Allocated memory was 133.2 MB in the beginning and 626.5 MB in the end (delta: 493.4 MB). Free memory was 86.7 MB in the beginning and 554.2 MB in the end (delta: -467.4 MB). Peak memory consumption was 417.7 MB. Max. memory is 7.1 GB. [2019-10-02 14:20:58,039 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-02 14:20:58,040 INFO L168 Benchmark]: CACSL2BoogieTranslator took 809.67 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 86.5 MB in the beginning and 163.1 MB in the end (delta: -76.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-10-02 14:20:58,040 INFO L168 Benchmark]: Boogie Preprocessor took 91.46 ms. Allocated memory is still 200.8 MB. Free memory was 163.1 MB in the beginning and 158.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-10-02 14:20:58,041 INFO L168 Benchmark]: RCFGBuilder took 1273.50 ms. Allocated memory was 200.8 MB in the beginning and 225.4 MB in the end (delta: 24.6 MB). Free memory was 158.7 MB in the beginning and 186.4 MB in the end (delta: -27.7 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. [2019-10-02 14:20:58,042 INFO L168 Benchmark]: TraceAbstraction took 17030.93 ms. Allocated memory was 225.4 MB in the beginning and 626.5 MB in the end (delta: 401.1 MB). Free memory was 185.1 MB in the beginning and 554.2 MB in the end (delta: -369.1 MB). Peak memory consumption was 423.7 MB. Max. memory is 7.1 GB. [2019-10-02 14:20:58,047 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 809.67 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 86.5 MB in the beginning and 163.1 MB in the end (delta: -76.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.46 ms. Allocated memory is still 200.8 MB. Free memory was 163.1 MB in the beginning and 158.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1273.50 ms. Allocated memory was 200.8 MB in the beginning and 225.4 MB in the end (delta: 24.6 MB). Free memory was 158.7 MB in the beginning and 186.4 MB in the end (delta: -27.7 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17030.93 ms. Allocated memory was 225.4 MB in the beginning and 626.5 MB in the end (delta: 401.1 MB). Free memory was 185.1 MB in the beginning and 554.2 MB in the end (delta: -369.1 MB). Peak memory consumption was 423.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 381]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && 0 == splverifierCounter) && !(0 == systemActive)) || !(0 == \old(pumpRunning))) || ((0 == splverifierCounter && pumpRunning == 0) && 1 == methaneLevelCritical)) || !(\old(systemActive) == 1)) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 258 locations, 1 error locations. SAFE Result, 16.9s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 6.0s AutomataDifference, 0.0s DeadEndRemovalTime, 6.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2506 SDtfs, 1879 SDslu, 9011 SDs, 0 SdLazy, 3568 SolverSat, 481 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 594 GetRequests, 488 SyntacticMatches, 2 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2393occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 408 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 4913 PreInvPairs, 5267 NumberOfFragments, 1606 HoareAnnotationTreeSize, 4913 FomulaSimplifications, 8344 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 71 FomulaSimplificationsInter, 29269 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1497 NumberOfCodeBlocks, 1497 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1483 ConstructedInterpolants, 0 QuantifiedInterpolants, 284974 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2682 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 221/231 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...