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_spec4_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:38:38,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:38:38,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:38:38,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:38:38,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:38:38,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:38:38,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:38:38,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:38:38,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:38:38,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:38:38,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:38:38,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:38:38,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:38:38,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:38:38,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:38:38,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:38:38,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:38:38,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:38:38,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:38:38,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:38:38,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:38:38,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:38:38,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:38:38,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:38:38,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:38:38,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:38:38,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:38:38,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:38:38,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:38:38,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:38:38,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:38:38,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:38:38,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:38:38,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:38:38,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:38:38,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:38:38,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:38:38,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:38:38,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:38:38,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:38:38,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:38:38,788 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 [2019-10-13 19:38:38,815 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:38:38,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:38:38,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:38:38,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:38:38,817 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:38:38,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:38:38,817 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:38:38,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:38:38,817 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:38:38,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:38:38,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:38:38,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:38:38,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:38:38,818 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:38:38,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:38:38,819 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:38:38,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:38:38,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:38:38,819 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:38:38,819 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:38:38,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:38:38,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:38:38,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:38:38,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:38:38,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:38:38,821 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:38:38,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:38:38,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:38:38,821 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:38:39,141 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:38:39,160 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:38:39,165 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:38:39,166 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:38:39,167 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:38:39,167 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2019-10-13 19:38:39,246 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88bf527d0/bc2ab766d5124a73b900528666297932/FLAG982cdf186 [2019-10-13 19:38:39,763 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:38:39,764 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2019-10-13 19:38:39,787 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88bf527d0/bc2ab766d5124a73b900528666297932/FLAG982cdf186 [2019-10-13 19:38:40,014 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88bf527d0/bc2ab766d5124a73b900528666297932 [2019-10-13 19:38:40,027 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:38:40,028 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:38:40,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:38:40,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:38:40,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:38:40,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:38:40" (1/1) ... [2019-10-13 19:38:40,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d2bbd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:40, skipping insertion in model container [2019-10-13 19:38:40,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:38:40" (1/1) ... [2019-10-13 19:38:40,047 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:38:40,115 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:38:40,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:38:40,667 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:38:40,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:38:40,789 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:38:40,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:40 WrapperNode [2019-10-13 19:38:40,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:38:40,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:38:40,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:38:40,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:38:40,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:40" (1/1) ... [2019-10-13 19:38:40,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:40" (1/1) ... [2019-10-13 19:38:40,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:40" (1/1) ... [2019-10-13 19:38:40,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:40" (1/1) ... [2019-10-13 19:38:40,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:40" (1/1) ... [2019-10-13 19:38:40,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:40" (1/1) ... [2019-10-13 19:38:40,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:40" (1/1) ... [2019-10-13 19:38:40,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:38:40,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:38:40,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:38:40,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:38:40,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:40" (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 [2019-10-13 19:38:40,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:38:40,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:38:40,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:38:40,937 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 19:38:40,937 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 19:38:40,938 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 19:38:40,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 19:38:40,938 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 19:38:40,938 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 19:38:40,938 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:38:40,938 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:38:40,939 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:38:40,939 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:38:40,939 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:38:40,939 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:38:40,939 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:38:40,940 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:38:40,940 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:38:40,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:38:40,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:38:40,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:38:40,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:38:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:38:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:38:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 19:38:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:38:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 19:38:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 19:38:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 19:38:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 19:38:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 19:38:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 19:38:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 19:38:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 19:38:40,943 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 19:38:40,943 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:38:40,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:38:40,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:38:40,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:38:40,943 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:38:40,943 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 19:38:40,944 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 19:38:40,944 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 19:38:40,944 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 19:38:40,944 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 19:38:40,944 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 19:38:40,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:38:40,944 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:38:40,944 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:38:40,945 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:38:40,945 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:38:40,945 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:38:40,945 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:38:40,945 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 19:38:40,945 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:38:40,945 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:38:40,945 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:38:40,945 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:38:40,945 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:38:40,946 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:38:40,946 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:38:40,946 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:38:40,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:38:40,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:38:40,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:38:40,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:38:40,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:38:40,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:38:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:38:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:38:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:38:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:38:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:38:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:38:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:38:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:38:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 19:38:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 19:38:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 19:38:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 19:38:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 19:38:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 19:38:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 19:38:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 19:38:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 19:38:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:38:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:38:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:38:41,986 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:38:41,987 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 19:38:41,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:38:41 BoogieIcfgContainer [2019-10-13 19:38:41,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:38:41,991 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:38:41,991 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:38:41,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:38:41,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:38:40" (1/3) ... [2019-10-13 19:38:41,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2f56b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:38:41, skipping insertion in model container [2019-10-13 19:38:41,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:40" (2/3) ... [2019-10-13 19:38:41,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c2f56b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:38:41, skipping insertion in model container [2019-10-13 19:38:41,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:38:41" (3/3) ... [2019-10-13 19:38:41,999 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2019-10-13 19:38:42,009 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:38:42,021 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:38:42,033 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:38:42,067 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:38:42,067 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:38:42,067 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:38:42,068 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:38:42,068 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:38:42,068 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:38:42,068 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:38:42,069 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:38:42,096 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2019-10-13 19:38:42,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 19:38:42,104 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:38:42,105 INFO L380 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] [2019-10-13 19:38:42,108 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:38:42,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:38:42,113 INFO L82 PathProgramCache]: Analyzing trace with hash 232346821, now seen corresponding path program 1 times [2019-10-13 19:38:42,122 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:38:42,123 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087019820] [2019-10-13 19:38:42,123 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:42,124 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:42,124 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:38:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:42,793 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:38:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:42,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:38:42,856 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087019820] [2019-10-13 19:38:42,857 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:38:42,857 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 19:38:42,858 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436222968] [2019-10-13 19:38:42,864 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 19:38:42,865 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:38:42,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 19:38:42,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 19:38:42,885 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 3 states. [2019-10-13 19:38:43,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:38:43,961 INFO L93 Difference]: Finished difference Result 266 states and 350 transitions. [2019-10-13 19:38:43,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 19:38:43,964 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-13 19:38:43,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:38:43,978 INFO L225 Difference]: With dead ends: 266 [2019-10-13 19:38:43,979 INFO L226 Difference]: Without dead ends: 145 [2019-10-13 19:38:43,983 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 19:38:44,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2019-10-13 19:38:44,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 112. [2019-10-13 19:38:44,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-10-13 19:38:44,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2019-10-13 19:38:44,066 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 46 [2019-10-13 19:38:44,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:38:44,067 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2019-10-13 19:38:44,067 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 19:38:44,067 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2019-10-13 19:38:44,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 19:38:44,071 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:38:44,071 INFO L380 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] [2019-10-13 19:38:44,071 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:38:44,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:38:44,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1830481593, now seen corresponding path program 1 times [2019-10-13 19:38:44,072 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:38:44,072 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838749033] [2019-10-13 19:38:44,072 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:44,072 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:44,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:38:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:44,433 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:38:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:44,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:38:44,495 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838749033] [2019-10-13 19:38:44,495 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:38:44,496 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 19:38:44,496 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969070760] [2019-10-13 19:38:44,498 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 19:38:44,498 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:38:44,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 19:38:44,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 19:38:44,500 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 4 states. [2019-10-13 19:38:44,994 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:38:45,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:38:45,729 INFO L93 Difference]: Finished difference Result 189 states and 229 transitions. [2019-10-13 19:38:45,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 19:38:45,732 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-10-13 19:38:45,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:38:45,736 INFO L225 Difference]: With dead ends: 189 [2019-10-13 19:38:45,737 INFO L226 Difference]: Without dead ends: 129 [2019-10-13 19:38:45,738 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 19:38:45,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-10-13 19:38:45,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 103. [2019-10-13 19:38:45,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-10-13 19:38:45,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2019-10-13 19:38:45,770 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 47 [2019-10-13 19:38:45,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:38:45,771 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2019-10-13 19:38:45,771 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 19:38:45,771 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2019-10-13 19:38:45,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 19:38:45,773 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:38:45,774 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:38:45,774 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:38:45,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:38:45,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1249539500, now seen corresponding path program 1 times [2019-10-13 19:38:45,775 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:38:45,775 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025868187] [2019-10-13 19:38:45,775 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:45,775 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:45,775 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:38:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:46,103 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:38:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:46,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:46,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:38:46,178 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025868187] [2019-10-13 19:38:46,178 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:38:46,179 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 19:38:46,179 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122101503] [2019-10-13 19:38:46,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 19:38:46,180 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:38:46,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 19:38:46,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-13 19:38:46,180 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand 8 states. [2019-10-13 19:38:46,617 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:38:46,977 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:38:47,250 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:38:47,528 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:38:48,376 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:38:49,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:38:49,918 INFO L93 Difference]: Finished difference Result 360 states and 445 transitions. [2019-10-13 19:38:49,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 19:38:49,919 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2019-10-13 19:38:49,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:38:49,924 INFO L225 Difference]: With dead ends: 360 [2019-10-13 19:38:49,924 INFO L226 Difference]: Without dead ends: 281 [2019-10-13 19:38:49,926 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:38:49,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2019-10-13 19:38:49,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 220. [2019-10-13 19:38:49,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2019-10-13 19:38:49,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 264 transitions. [2019-10-13 19:38:49,993 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 264 transitions. Word has length 52 [2019-10-13 19:38:49,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:38:49,994 INFO L462 AbstractCegarLoop]: Abstraction has 220 states and 264 transitions. [2019-10-13 19:38:49,994 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 19:38:49,994 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 264 transitions. [2019-10-13 19:38:49,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 19:38:49,997 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:38:49,997 INFO L380 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] [2019-10-13 19:38:49,997 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:38:49,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:38:49,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1248876172, now seen corresponding path program 1 times [2019-10-13 19:38:49,998 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:38:49,998 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558931972] [2019-10-13 19:38:49,998 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:49,999 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:49,999 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:38:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:50,344 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:38:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:50,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:38:50,473 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558931972] [2019-10-13 19:38:50,473 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:38:50,473 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 19:38:50,474 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028638686] [2019-10-13 19:38:50,475 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 19:38:50,475 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:38:50,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 19:38:50,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:38:50,477 INFO L87 Difference]: Start difference. First operand 220 states and 264 transitions. Second operand 12 states. [2019-10-13 19:38:51,191 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:38:51,584 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:38:51,880 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:38:52,146 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:38:52,775 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:38:53,715 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:38:54,104 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:38:54,464 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:38:54,745 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-13 19:38:55,006 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:38:55,367 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:38:55,765 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:38:56,066 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:38:57,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:38:57,324 INFO L93 Difference]: Finished difference Result 875 states and 1174 transitions. [2019-10-13 19:38:57,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-13 19:38:57,325 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2019-10-13 19:38:57,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:38:57,333 INFO L225 Difference]: With dead ends: 875 [2019-10-13 19:38:57,333 INFO L226 Difference]: Without dead ends: 679 [2019-10-13 19:38:57,337 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2019-10-13 19:38:57,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2019-10-13 19:38:57,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 582. [2019-10-13 19:38:57,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2019-10-13 19:38:57,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 718 transitions. [2019-10-13 19:38:57,490 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 718 transitions. Word has length 57 [2019-10-13 19:38:57,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:38:57,490 INFO L462 AbstractCegarLoop]: Abstraction has 582 states and 718 transitions. [2019-10-13 19:38:57,490 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-13 19:38:57,491 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 718 transitions. [2019-10-13 19:38:57,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 19:38:57,495 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:38:57,495 INFO L380 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] [2019-10-13 19:38:57,495 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:38:57,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:38:57,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1908801166, now seen corresponding path program 1 times [2019-10-13 19:38:57,496 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:38:57,496 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140607263] [2019-10-13 19:38:57,496 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:57,496 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:57,496 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:38:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:57,793 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:38:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:57,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:38:57,899 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140607263] [2019-10-13 19:38:57,899 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:38:57,899 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 19:38:57,900 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035924189] [2019-10-13 19:38:57,901 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 19:38:57,902 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:38:57,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 19:38:57,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 19:38:57,902 INFO L87 Difference]: Start difference. First operand 582 states and 718 transitions. Second operand 6 states. [2019-10-13 19:38:58,239 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:38:58,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:38:58,923 INFO L93 Difference]: Finished difference Result 1027 states and 1340 transitions. [2019-10-13 19:38:58,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 19:38:58,924 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-10-13 19:38:58,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:38:58,927 INFO L225 Difference]: With dead ends: 1027 [2019-10-13 19:38:58,928 INFO L226 Difference]: Without dead ends: 469 [2019-10-13 19:38:58,930 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:38:58,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2019-10-13 19:38:59,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 402. [2019-10-13 19:38:59,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2019-10-13 19:38:59,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 461 transitions. [2019-10-13 19:38:59,003 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 461 transitions. Word has length 61 [2019-10-13 19:38:59,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:38:59,003 INFO L462 AbstractCegarLoop]: Abstraction has 402 states and 461 transitions. [2019-10-13 19:38:59,004 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 19:38:59,004 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 461 transitions. [2019-10-13 19:38:59,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-13 19:38:59,006 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:38:59,006 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:38:59,007 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:38:59,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:38:59,007 INFO L82 PathProgramCache]: Analyzing trace with hash 264696333, now seen corresponding path program 1 times [2019-10-13 19:38:59,007 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:38:59,008 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680662797] [2019-10-13 19:38:59,008 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:59,008 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:59,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:38:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:59,307 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:38:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:59,440 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-13 19:38:59,441 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680662797] [2019-10-13 19:38:59,441 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215801609] [2019-10-13 19:38:59,442 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:38:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:59,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 19:38:59,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 19:38:59,776 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 19:38:59,776 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 19:38:59,777 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2019-10-13 19:38:59,777 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683316970] [2019-10-13 19:38:59,777 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-13 19:38:59,778 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:38:59,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-13 19:38:59,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2019-10-13 19:38:59,778 INFO L87 Difference]: Start difference. First operand 402 states and 461 transitions. Second operand 15 states. [2019-10-13 19:39:00,739 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:01,526 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:02,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:02,796 INFO L93 Difference]: Finished difference Result 565 states and 675 transitions. [2019-10-13 19:39:02,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-13 19:39:02,797 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 89 [2019-10-13 19:39:02,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:02,797 INFO L225 Difference]: With dead ends: 565 [2019-10-13 19:39:02,797 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 19:39:02,799 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2019-10-13 19:39:02,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 19:39:02,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 19:39:02,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 19:39:02,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 19:39:02,800 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2019-10-13 19:39:02,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:02,800 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 19:39:02,800 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-13 19:39:02,800 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 19:39:02,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 19:39:03,001 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:39:03,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 19:39:03,240 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 212 [2019-10-13 19:39:03,816 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 211 [2019-10-13 19:39:03,929 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 211 [2019-10-13 19:39:06,048 WARN L191 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-13 19:39:06,213 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 23 [2019-10-13 19:39:06,369 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:06,871 WARN L191 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 21 [2019-10-13 19:39:07,047 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2019-10-13 19:39:07,158 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2019-10-13 19:39:07,274 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2019-10-13 19:39:07,437 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:07,609 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:08,039 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 17 [2019-10-13 19:39:08,266 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:08,451 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-13 19:39:08,924 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 21 [2019-10-13 19:39:09,382 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-13 19:39:09,845 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 17 [2019-10-13 19:39:10,062 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-13 19:39:10,493 WARN L191 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 17 [2019-10-13 19:39:11,007 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 24 [2019-10-13 19:39:11,171 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-13 19:39:11,392 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:11,711 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:11,863 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:12,156 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-13 19:39:12,320 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-13 19:39:12,912 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 21 [2019-10-13 19:39:12,915 INFO L443 ceAbstractionStarter]: For program point L346(lines 346 350) no Hoare annotation was computed. [2019-10-13 19:39:12,915 INFO L443 ceAbstractionStarter]: For program point L346-1(lines 346 350) no Hoare annotation was computed. [2019-10-13 19:39:12,915 INFO L443 ceAbstractionStarter]: For program point L341(line 341) no Hoare annotation was computed. [2019-10-13 19:39:12,915 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 315 370) no Hoare annotation was computed. [2019-10-13 19:39:12,915 INFO L443 ceAbstractionStarter]: For program point L340-2(lines 340 361) no Hoare annotation was computed. [2019-10-13 19:39:12,916 INFO L443 ceAbstractionStarter]: For program point L362(lines 339 363) no Hoare annotation was computed. [2019-10-13 19:39:12,916 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 315 370) no Hoare annotation was computed. [2019-10-13 19:39:12,916 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 315 370) no Hoare annotation was computed. [2019-10-13 19:39:12,916 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-10-13 19:39:12,916 INFO L443 ceAbstractionStarter]: For program point L416-1(line 416) no Hoare annotation was computed. [2019-10-13 19:39:12,916 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 371 430) no Hoare annotation was computed. [2019-10-13 19:39:12,916 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 407) no Hoare annotation was computed. [2019-10-13 19:39:12,916 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 403 407) no Hoare annotation was computed. [2019-10-13 19:39:12,917 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 371 430) no Hoare annotation was computed. [2019-10-13 19:39:12,917 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-10-13 19:39:12,917 INFO L443 ceAbstractionStarter]: For program point L397-2(lines 397 422) no Hoare annotation was computed. [2019-10-13 19:39:12,917 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 371 430) no Hoare annotation was computed. [2019-10-13 19:39:12,917 INFO L443 ceAbstractionStarter]: For program point L423(lines 396 424) no Hoare annotation was computed. [2019-10-13 19:39:12,917 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 147 153) the Hoare annotation is: true [2019-10-13 19:39:12,917 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 147 153) no Hoare annotation was computed. [2019-10-13 19:39:12,918 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 154 162) no Hoare annotation was computed. [2019-10-13 19:39:12,918 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 154 162) the Hoare annotation is: true [2019-10-13 19:39:12,918 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 154 162) no Hoare annotation was computed. [2019-10-13 19:39:12,918 INFO L439 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:12,918 INFO L443 ceAbstractionStarter]: For program point L641-1(line 641) no Hoare annotation was computed. [2019-10-13 19:39:12,918 INFO L443 ceAbstractionStarter]: For program point L639(lines 639 652) no Hoare annotation was computed. [2019-10-13 19:39:12,918 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 631 655) the Hoare annotation is: true [2019-10-13 19:39:12,919 INFO L443 ceAbstractionStarter]: For program point L639-1(lines 631 655) no Hoare annotation was computed. [2019-10-13 19:39:12,919 INFO L446 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: true [2019-10-13 19:39:12,919 INFO L443 ceAbstractionStarter]: For program point L637-1(line 637) no Hoare annotation was computed. [2019-10-13 19:39:12,919 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 631 655) no Hoare annotation was computed. [2019-10-13 19:39:12,919 INFO L439 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:12,919 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2019-10-13 19:39:12,919 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 239 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:12,920 INFO L439 ceAbstractionStarter]: At program point L251(line 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-13 19:39:12,920 INFO L439 ceAbstractionStarter]: At program point L251-1(line 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-13 19:39:12,920 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 256) no Hoare annotation was computed. [2019-10-13 19:39:12,920 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 239 261) no Hoare annotation was computed. [2019-10-13 19:39:12,920 INFO L443 ceAbstractionStarter]: For program point L249-1(lines 249 256) no Hoare annotation was computed. [2019-10-13 19:39:12,921 INFO L443 ceAbstractionStarter]: For program point L247(line 247) no Hoare annotation was computed. [2019-10-13 19:39:12,921 INFO L439 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:12,921 INFO L439 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:12,921 INFO L439 ceAbstractionStarter]: At program point L245-1(line 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:12,921 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 239 261) no Hoare annotation was computed. [2019-10-13 19:39:12,921 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 197 220) no Hoare annotation was computed. [2019-10-13 19:39:12,922 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 197 220) no Hoare annotation was computed. [2019-10-13 19:39:12,922 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 197 220) no Hoare annotation was computed. [2019-10-13 19:39:12,922 INFO L443 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2019-10-13 19:39:12,922 INFO L443 ceAbstractionStarter]: For program point L214(line 214) no Hoare annotation was computed. [2019-10-13 19:39:12,922 INFO L443 ceAbstractionStarter]: For program point L213(line 213) no Hoare annotation was computed. [2019-10-13 19:39:12,922 INFO L443 ceAbstractionStarter]: For program point L212(line 212) no Hoare annotation was computed. [2019-10-13 19:39:12,922 INFO L443 ceAbstractionStarter]: For program point L211(line 211) no Hoare annotation was computed. [2019-10-13 19:39:12,922 INFO L443 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2019-10-13 19:39:12,922 INFO L443 ceAbstractionStarter]: For program point L209(line 209) no Hoare annotation was computed. [2019-10-13 19:39:12,923 INFO L443 ceAbstractionStarter]: For program point L208(line 208) no Hoare annotation was computed. [2019-10-13 19:39:12,923 INFO L443 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2019-10-13 19:39:12,923 INFO L443 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2019-10-13 19:39:12,923 INFO L443 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2019-10-13 19:39:12,923 INFO L443 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2019-10-13 19:39:12,923 INFO L443 ceAbstractionStarter]: For program point L203(line 203) no Hoare annotation was computed. [2019-10-13 19:39:12,923 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-13 19:39:12,924 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 793 807) no Hoare annotation was computed. [2019-10-13 19:39:12,924 INFO L439 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) [2019-10-13 19:39:12,924 INFO L443 ceAbstractionStarter]: For program point L797(lines 797 803) no Hoare annotation was computed. [2019-10-13 19:39:12,924 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 793 807) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 0)))) (and (or (or .cse0 (not (= ~waterLevel~0 1))) .cse1) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1))) [2019-10-13 19:39:12,924 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 793 807) no Hoare annotation was computed. [2019-10-13 19:39:12,924 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 748 756) no Hoare annotation was computed. [2019-10-13 19:39:12,924 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 748 756) the Hoare annotation is: true [2019-10-13 19:39:12,925 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 748 756) no Hoare annotation was computed. [2019-10-13 19:39:12,925 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 772) no Hoare annotation was computed. [2019-10-13 19:39:12,925 INFO L443 ceAbstractionStarter]: For program point L764-2(lines 764 772) no Hoare annotation was computed. [2019-10-13 19:39:12,925 INFO L443 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2019-10-13 19:39:12,925 INFO L443 ceAbstractionStarter]: For program point L787-1(line 787) no Hoare annotation was computed. [2019-10-13 19:39:12,925 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 757 792) no Hoare annotation was computed. [2019-10-13 19:39:12,925 INFO L443 ceAbstractionStarter]: For program point L776(lines 776 784) no Hoare annotation was computed. [2019-10-13 19:39:12,925 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 757 792) no Hoare annotation was computed. [2019-10-13 19:39:12,926 INFO L443 ceAbstractionStarter]: For program point L776-2(lines 776 784) no Hoare annotation was computed. [2019-10-13 19:39:12,926 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 757 792) no Hoare annotation was computed. [2019-10-13 19:39:12,926 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 140 146) no Hoare annotation was computed. [2019-10-13 19:39:12,926 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 140 146) the Hoare annotation is: true [2019-10-13 19:39:12,926 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 269 314) no Hoare annotation was computed. [2019-10-13 19:39:12,926 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 269 314) no Hoare annotation was computed. [2019-10-13 19:39:12,926 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 269 314) no Hoare annotation was computed. [2019-10-13 19:39:12,926 INFO L443 ceAbstractionStarter]: For program point L602(lines 602 609) no Hoare annotation was computed. [2019-10-13 19:39:12,927 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 582 627) no Hoare annotation was computed. [2019-10-13 19:39:12,927 INFO L443 ceAbstractionStarter]: For program point L596(lines 596 616) no Hoare annotation was computed. [2019-10-13 19:39:12,927 INFO L443 ceAbstractionStarter]: For program point L596-1(lines 596 616) no Hoare annotation was computed. [2019-10-13 19:39:12,927 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 582 627) no Hoare annotation was computed. [2019-10-13 19:39:12,927 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 582 627) no Hoare annotation was computed. [2019-10-13 19:39:12,927 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 229 238) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:12,927 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 229 238) no Hoare annotation was computed. [2019-10-13 19:39:12,927 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 229 238) no Hoare annotation was computed. [2019-10-13 19:39:12,928 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 737 747) the Hoare annotation is: true [2019-10-13 19:39:12,928 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 737 747) no Hoare annotation was computed. [2019-10-13 19:39:12,928 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 737 747) no Hoare annotation was computed. [2019-10-13 19:39:12,928 INFO L446 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2019-10-13 19:39:12,928 INFO L443 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2019-10-13 19:39:12,928 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 729 736) the Hoare annotation is: true [2019-10-13 19:39:12,928 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 729 736) no Hoare annotation was computed. [2019-10-13 19:39:12,929 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 729 736) no Hoare annotation was computed. [2019-10-13 19:39:12,929 INFO L443 ceAbstractionStarter]: For program point L704(lines 704 712) no Hoare annotation was computed. [2019-10-13 19:39:12,929 INFO L439 ceAbstractionStarter]: At program point L702(line 702) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:12,929 INFO L443 ceAbstractionStarter]: For program point L702-1(line 702) no Hoare annotation was computed. [2019-10-13 19:39:12,929 INFO L443 ceAbstractionStarter]: For program point L700(lines 700 717) no Hoare annotation was computed. [2019-10-13 19:39:12,929 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 696 720) no Hoare annotation was computed. [2019-10-13 19:39:12,929 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 696 720) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2019-10-13 19:39:12,930 INFO L439 ceAbstractionStarter]: At program point L715(line 715) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2019-10-13 19:39:12,930 INFO L443 ceAbstractionStarter]: For program point L715-1(lines 696 720) no Hoare annotation was computed. [2019-10-13 19:39:12,930 INFO L439 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:12,930 INFO L439 ceAbstractionStarter]: At program point L706(line 706) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:12,930 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 688 694) no Hoare annotation was computed. [2019-10-13 19:39:12,930 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 688 694) the Hoare annotation is: true [2019-10-13 19:39:12,931 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 871) no Hoare annotation was computed. [2019-10-13 19:39:12,931 INFO L439 ceAbstractionStarter]: At program point L865-1(lines 857 872) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-13 19:39:12,931 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 817 884) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:12,931 INFO L443 ceAbstractionStarter]: For program point L828(lines 827 876) no Hoare annotation was computed. [2019-10-13 19:39:12,931 INFO L439 ceAbstractionStarter]: At program point L859(line 859) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (and .cse0 (= 1 ~waterLevel~0)) .cse1))) [2019-10-13 19:39:12,931 INFO L443 ceAbstractionStarter]: For program point L857(lines 857 872) no Hoare annotation was computed. [2019-10-13 19:39:12,931 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 817 884) no Hoare annotation was computed. [2019-10-13 19:39:12,931 INFO L439 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-13 19:39:12,931 INFO L443 ceAbstractionStarter]: For program point L847(lines 847 853) no Hoare annotation was computed. [2019-10-13 19:39:12,931 INFO L443 ceAbstractionStarter]: For program point L847-1(lines 847 853) no Hoare annotation was computed. [2019-10-13 19:39:12,931 INFO L439 ceAbstractionStarter]: At program point L874(lines 827 876) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-13 19:39:12,932 INFO L439 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~waterLevel~0)| 1)))) [2019-10-13 19:39:12,932 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 843) no Hoare annotation was computed. [2019-10-13 19:39:12,932 INFO L443 ceAbstractionStarter]: For program point L837-1(lines 837 843) no Hoare annotation was computed. [2019-10-13 19:39:12,932 INFO L443 ceAbstractionStarter]: For program point L829(lines 829 833) no Hoare annotation was computed. [2019-10-13 19:39:12,932 INFO L439 ceAbstractionStarter]: At program point L877(lines 826 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:12,932 INFO L439 ceAbstractionStarter]: At program point L867(line 867) the Hoare annotation is: (let ((.cse1 (= 0 test_~splverifierCounter~0)) (.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-13 19:39:12,932 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 817 884) no Hoare annotation was computed. [2019-10-13 19:39:12,932 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 536 581) no Hoare annotation was computed. [2019-10-13 19:39:12,932 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 536 581) no Hoare annotation was computed. [2019-10-13 19:39:12,932 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 536 581) no Hoare annotation was computed. [2019-10-13 19:39:12,932 INFO L443 ceAbstractionStarter]: For program point L556(lines 556 563) no Hoare annotation was computed. [2019-10-13 19:39:12,933 INFO L443 ceAbstractionStarter]: For program point L550(lines 550 570) no Hoare annotation was computed. [2019-10-13 19:39:12,933 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 550 570) no Hoare annotation was computed. [2019-10-13 19:39:12,933 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2019-10-13 19:39:12,933 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2019-10-13 19:39:12,933 INFO L443 ceAbstractionStarter]: For program point L101(lines 101 109) no Hoare annotation was computed. [2019-10-13 19:39:12,933 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2019-10-13 19:39:12,933 INFO L443 ceAbstractionStarter]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2019-10-13 19:39:12,933 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 130 139) no Hoare annotation was computed. [2019-10-13 19:39:12,933 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 130 139) no Hoare annotation was computed. [2019-10-13 19:39:12,933 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 130 139) no Hoare annotation was computed. [2019-10-13 19:39:12,933 INFO L443 ceAbstractionStarter]: For program point L514-1(line 514) no Hoare annotation was computed. [2019-10-13 19:39:12,933 INFO L443 ceAbstractionStarter]: For program point L479(lines 479 520) no Hoare annotation was computed. [2019-10-13 19:39:12,933 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 433 535) no Hoare annotation was computed. [2019-10-13 19:39:12,933 INFO L443 ceAbstractionStarter]: For program point L498(line 498) no Hoare annotation was computed. [2019-10-13 19:39:12,934 INFO L443 ceAbstractionStarter]: For program point L498-1(line 498) no Hoare annotation was computed. [2019-10-13 19:39:12,934 INFO L443 ceAbstractionStarter]: For program point L457(lines 457 461) no Hoare annotation was computed. [2019-10-13 19:39:12,934 INFO L443 ceAbstractionStarter]: For program point L521(lines 521 532) no Hoare annotation was computed. [2019-10-13 19:39:12,934 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 433 535) no Hoare annotation was computed. [2019-10-13 19:39:12,934 INFO L443 ceAbstractionStarter]: For program point L484(lines 484 488) no Hoare annotation was computed. [2019-10-13 19:39:12,934 INFO L443 ceAbstractionStarter]: For program point L482-2(lines 482 502) no Hoare annotation was computed. [2019-10-13 19:39:12,934 INFO L443 ceAbstractionStarter]: For program point L503(lines 481 504) no Hoare annotation was computed. [2019-10-13 19:39:12,934 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 433 535) no Hoare annotation was computed. [2019-10-13 19:39:12,934 INFO L443 ceAbstractionStarter]: For program point L462(lines 462 478) no Hoare annotation was computed. [2019-10-13 19:39:12,934 INFO L443 ceAbstractionStarter]: For program point L522(lines 522 529) no Hoare annotation was computed. [2019-10-13 19:39:12,934 INFO L443 ceAbstractionStarter]: For program point L483(lines 482 502) no Hoare annotation was computed. [2019-10-13 19:39:12,934 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-10-13 19:39:12,935 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:39:12,935 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2019-10-13 19:39:12,935 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:39:12,935 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 721 728) no Hoare annotation was computed. [2019-10-13 19:39:12,935 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 721 728) no Hoare annotation was computed. [2019-10-13 19:39:12,935 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 721 728) no Hoare annotation was computed. [2019-10-13 19:39:12,936 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2019-10-13 19:39:12,936 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2019-10-13 19:39:12,936 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2019-10-13 19:39:12,936 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:12,936 INFO L443 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2019-10-13 19:39:12,936 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2019-10-13 19:39:12,936 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:39:12,937 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 19:39:12,937 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:39:12,937 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2019-10-13 19:39:12,937 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2019-10-13 19:39:12,937 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2019-10-13 19:39:12,937 INFO L439 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-13 19:39:12,937 INFO L443 ceAbstractionStarter]: For program point L668(lines 667 686) no Hoare annotation was computed. [2019-10-13 19:39:12,938 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 664 687) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (and (= 1 ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1))))) [2019-10-13 19:39:12,938 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 664 687) no Hoare annotation was computed. [2019-10-13 19:39:12,938 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 664 687) no Hoare annotation was computed. [2019-10-13 19:39:12,938 INFO L439 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~waterLevel~0) .cse1 .cse2)))) [2019-10-13 19:39:12,938 INFO L439 ceAbstractionStarter]: At program point L675(lines 675 681) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (and (= 1 ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1))))) [2019-10-13 19:39:12,938 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 166 195) no Hoare annotation was computed. [2019-10-13 19:39:12,939 INFO L446 ceAbstractionStarter]: At program point L191(lines 166 195) the Hoare annotation is: true [2019-10-13 19:39:12,939 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 166 195) the Hoare annotation is: true [2019-10-13 19:39:12,939 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-13 19:39:12,939 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-13 19:39:12,939 INFO L446 ceAbstractionStarter]: At program point L180-1(lines 180 184) the Hoare annotation is: true [2019-10-13 19:39:12,939 INFO L443 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2019-10-13 19:39:12,939 INFO L446 ceAbstractionStarter]: At program point L176-2(lines 176 190) the Hoare annotation is: true [2019-10-13 19:39:12,939 INFO L446 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: true [2019-10-13 19:39:12,939 INFO L443 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2019-10-13 19:39:12,940 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2019-10-13 19:39:12,940 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2019-10-13 19:39:12,940 INFO L443 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2019-10-13 19:39:12,940 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 221 227) no Hoare annotation was computed. [2019-10-13 19:39:12,940 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 221 227) the Hoare annotation is: true [2019-10-13 19:39:12,940 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:39:12,940 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-13 19:39:12,940 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 19:39:12,941 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:39:12,941 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 808 815) no Hoare annotation was computed. [2019-10-13 19:39:12,941 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 808 815) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:12,941 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 808 815) no Hoare annotation was computed. [2019-10-13 19:39:12,941 INFO L443 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2019-10-13 19:39:12,941 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2019-10-13 19:39:12,942 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (= ~waterLevel~0 |old(~waterLevel~0)|)))) [2019-10-13 19:39:12,942 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 886 893) no Hoare annotation was computed. [2019-10-13 19:39:12,942 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 886 893) the Hoare annotation is: true [2019-10-13 19:39:12,942 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2019-10-13 19:39:12,942 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 886 893) no Hoare annotation was computed. [2019-10-13 19:39:12,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:39:12 BoogieIcfgContainer [2019-10-13 19:39:12,956 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 19:39:12,958 INFO L168 Benchmark]: Toolchain (without parser) took 32929.43 ms. Allocated memory was 140.5 MB in the beginning and 631.2 MB in the end (delta: 490.7 MB). Free memory was 103.1 MB in the beginning and 312.5 MB in the end (delta: -209.4 MB). Peak memory consumption was 484.1 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:12,959 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 19:39:12,959 INFO L168 Benchmark]: CACSL2BoogieTranslator took 760.10 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 102.9 MB in the beginning and 170.0 MB in the end (delta: -67.1 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:12,960 INFO L168 Benchmark]: Boogie Preprocessor took 82.83 ms. Allocated memory is still 202.4 MB. Free memory was 170.0 MB in the beginning and 166.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:12,961 INFO L168 Benchmark]: RCFGBuilder took 1116.22 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 166.0 MB in the beginning and 198.4 MB in the end (delta: -32.4 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:12,962 INFO L168 Benchmark]: TraceAbstraction took 30965.01 ms. Allocated memory was 235.4 MB in the beginning and 631.2 MB in the end (delta: 395.8 MB). Free memory was 198.4 MB in the beginning and 312.5 MB in the end (delta: -114.1 MB). Peak memory consumption was 484.5 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:12,965 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 760.10 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 102.9 MB in the beginning and 170.0 MB in the end (delta: -67.1 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.83 ms. Allocated memory is still 202.4 MB. Free memory was 170.0 MB in the beginning and 166.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1116.22 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 166.0 MB in the beginning and 198.4 MB in the end (delta: -32.4 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30965.01 ms. Allocated memory was 235.4 MB in the beginning and 631.2 MB in the end (delta: 395.8 MB). Free memory was 198.4 MB in the beginning and 312.5 MB in the end (delta: -114.1 MB). Peak memory consumption was 484.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 890]: 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: 826]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((0 == splverifierCounter && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && 0 == splverifierCounter) && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 214 locations, 1 error locations. Result: SAFE, OverallTime: 30.8s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 17.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.9s, HoareTripleCheckerStatistics: 594 SDtfs, 1241 SDslu, 685 SDs, 0 SdLazy, 3254 SolverSat, 924 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 273 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=582occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 284 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 644 PreInvPairs, 712 NumberOfFragments, 1061 HoareAnnotationTreeSize, 644 FomulaSimplifications, 172230 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 54 FomulaSimplificationsInter, 18413 FormulaSimplificationTreeSizeReductionInter, 7.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 434 ConstructedInterpolants, 0 QuantifiedInterpolants, 126310 SizeOfPredicates, 3 NumberOfNonLiveVariables, 757 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 45/48 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...