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_spec3_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 14:23:08,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 14:23:08,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 14:23:08,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 14:23:08,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 14:23:08,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 14:23:08,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 14:23:08,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 14:23:08,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 14:23:08,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 14:23:08,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 14:23:08,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 14:23:08,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 14:23:08,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 14:23:08,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 14:23:08,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 14:23:08,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 14:23:08,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 14:23:08,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 14:23:08,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 14:23:08,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 14:23:08,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 14:23:08,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 14:23:08,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 14:23:08,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 14:23:08,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 14:23:08,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 14:23:08,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 14:23:08,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 14:23:08,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 14:23:08,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 14:23:08,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 14:23:08,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 14:23:08,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 14:23:08,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 14:23:08,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 14:23:08,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 14:23:08,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 14:23:08,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 14:23:08,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 14:23:08,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 14:23:08,094 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-02 14:23:08,108 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 14:23:08,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 14:23:08,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 14:23:08,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 14:23:08,110 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 14:23:08,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 14:23:08,111 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 14:23:08,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 14:23:08,111 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 14:23:08,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 14:23:08,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 14:23:08,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 14:23:08,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 14:23:08,112 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 14:23:08,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 14:23:08,112 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 14:23:08,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 14:23:08,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 14:23:08,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 14:23:08,113 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 14:23:08,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 14:23:08,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 14:23:08,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 14:23:08,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 14:23:08,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 14:23:08,114 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 14:23:08,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 14:23:08,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 14:23:08,115 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 14:23:08,168 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 14:23:08,181 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 14:23:08,184 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 14:23:08,186 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 14:23:08,186 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 14:23:08,187 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product37.cil.c [2019-10-02 14:23:08,251 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39911b1d1/9cce9c84b28042c9a5a585c420ab83f7/FLAGf213ec9e0 [2019-10-02 14:23:08,775 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 14:23:08,776 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product37.cil.c [2019-10-02 14:23:08,790 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39911b1d1/9cce9c84b28042c9a5a585c420ab83f7/FLAGf213ec9e0 [2019-10-02 14:23:09,105 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39911b1d1/9cce9c84b28042c9a5a585c420ab83f7 [2019-10-02 14:23:09,115 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 14:23:09,117 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 14:23:09,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 14:23:09,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 14:23:09,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 14:23:09,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 02:23:09" (1/1) ... [2019-10-02 14:23:09,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df463d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:23:09, skipping insertion in model container [2019-10-02 14:23:09,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 02:23:09" (1/1) ... [2019-10-02 14:23:09,130 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 14:23:09,196 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 14:23:09,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 14:23:09,677 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 14:23:09,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 14:23:09,790 INFO L192 MainTranslator]: Completed translation [2019-10-02 14:23:09,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:23:09 WrapperNode [2019-10-02 14:23:09,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 14:23:09,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 14:23:09,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 14:23:09,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 14:23:09,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:23:09" (1/1) ... [2019-10-02 14:23:09,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:23:09" (1/1) ... [2019-10-02 14:23:09,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:23:09" (1/1) ... [2019-10-02 14:23:09,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:23:09" (1/1) ... [2019-10-02 14:23:09,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:23:09" (1/1) ... [2019-10-02 14:23:09,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:23:09" (1/1) ... [2019-10-02 14:23:09,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:23:09" (1/1) ... [2019-10-02 14:23:09,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 14:23:09,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 14:23:09,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 14:23:09,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 14:23:09,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:23:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 14:23:09,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 14:23:09,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 14:23:09,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-02 14:23:09,971 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-02 14:23:09,972 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-02 14:23:09,973 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-02 14:23:09,973 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-02 14:23:09,973 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 14:23:09,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-02 14:23:09,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-02 14:23:09,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-02 14:23:09,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-02 14:23:09,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-02 14:23:09,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-02 14:23:09,976 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-02 14:23:09,976 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-02 14:23:09,979 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-02 14:23:09,979 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-02 14:23:09,979 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-02 14:23:09,980 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-02 14:23:09,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-02 14:23:09,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-02 14:23:09,980 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-02 14:23:09,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-02 14:23:09,981 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-02 14:23:09,981 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-02 14:23:09,981 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-02 14:23:09,981 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-02 14:23:09,982 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-02 14:23:09,982 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-02 14:23:09,982 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-02 14:23:09,982 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-02 14:23:09,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-02 14:23:09,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-02 14:23:09,983 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-02 14:23:09,983 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-02 14:23:09,983 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-02 14:23:09,984 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-02 14:23:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 14:23:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 14:23:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-02 14:23:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-02 14:23:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-02 14:23:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-02 14:23:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-02 14:23:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-02 14:23:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-02 14:23:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-02 14:23:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-02 14:23:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-02 14:23:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-02 14:23:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-02 14:23:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-02 14:23:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 14:23:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-02 14:23:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 14:23:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 14:23:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-02 14:23:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 14:23:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 14:23:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 14:23:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 14:23:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-02 14:23:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 14:23:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-02 14:23:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-02 14:23:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 14:23:09,990 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-02 14:23:09,990 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-02 14:23:09,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 14:23:09,990 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-02 14:23:09,990 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-02 14:23:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-02 14:23:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-02 14:23:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-02 14:23:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-02 14:23:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-02 14:23:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-02 14:23:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-02 14:23:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-02 14:23:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-02 14:23:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-02 14:23:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-02 14:23:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-02 14:23:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-02 14:23:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-02 14:23:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-02 14:23:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 14:23:09,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 14:23:09,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 14:23:11,281 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 14:23:11,281 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-02 14:23:11,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 02:23:11 BoogieIcfgContainer [2019-10-02 14:23:11,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 14:23:11,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 14:23:11,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 14:23:11,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 14:23:11,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 02:23:09" (1/3) ... [2019-10-02 14:23:11,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7742cf32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 02:23:11, skipping insertion in model container [2019-10-02 14:23:11,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:23:09" (2/3) ... [2019-10-02 14:23:11,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7742cf32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 02:23:11, skipping insertion in model container [2019-10-02 14:23:11,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 02:23:11" (3/3) ... [2019-10-02 14:23:11,295 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product37.cil.c [2019-10-02 14:23:11,305 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 14:23:11,315 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 14:23:11,332 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 14:23:11,361 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 14:23:11,362 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 14:23:11,362 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 14:23:11,362 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 14:23:11,362 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 14:23:11,363 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 14:23:11,363 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 14:23:11,363 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 14:23:11,363 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 14:23:11,386 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states. [2019-10-02 14:23:11,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-02 14:23:11,397 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:23:11,398 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:23:11,401 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:23:11,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:23:11,407 INFO L82 PathProgramCache]: Analyzing trace with hash -286818330, now seen corresponding path program 1 times [2019-10-02 14:23:11,409 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:23:11,410 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:23:11,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:11,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:11,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:11,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:23:11,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:23:11,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-02 14:23:11,830 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-02 14:23:11,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-02 14:23:11,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 14:23:11,848 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 2 states. [2019-10-02 14:23:11,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:23:11,934 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2019-10-02 14:23:11,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-02 14:23:11,935 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-02 14:23:11,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:23:11,959 INFO L225 Difference]: With dead ends: 258 [2019-10-02 14:23:11,960 INFO L226 Difference]: Without dead ends: 129 [2019-10-02 14:23:11,969 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 14:23:11,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-10-02 14:23:12,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2019-10-02 14:23:12,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-10-02 14:23:12,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 152 transitions. [2019-10-02 14:23:12,084 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 152 transitions. Word has length 52 [2019-10-02 14:23:12,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:23:12,085 INFO L475 AbstractCegarLoop]: Abstraction has 129 states and 152 transitions. [2019-10-02 14:23:12,085 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-02 14:23:12,085 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 152 transitions. [2019-10-02 14:23:12,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-02 14:23:12,096 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:23:12,096 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:23:12,097 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:23:12,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:23:12,100 INFO L82 PathProgramCache]: Analyzing trace with hash 2080874190, now seen corresponding path program 1 times [2019-10-02 14:23:12,100 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:23:12,100 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:23:12,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:12,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:12,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:12,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:23:12,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:23:12,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 14:23:12,286 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 14:23:12,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 14:23:12,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 14:23:12,288 INFO L87 Difference]: Start difference. First operand 129 states and 152 transitions. Second operand 3 states. [2019-10-02 14:23:12,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:23:12,327 INFO L93 Difference]: Finished difference Result 207 states and 243 transitions. [2019-10-02 14:23:12,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 14:23:12,328 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-02 14:23:12,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:23:12,332 INFO L225 Difference]: With dead ends: 207 [2019-10-02 14:23:12,332 INFO L226 Difference]: Without dead ends: 120 [2019-10-02 14:23:12,337 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 14:23:12,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-10-02 14:23:12,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-10-02 14:23:12,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-10-02 14:23:12,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2019-10-02 14:23:12,358 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 53 [2019-10-02 14:23:12,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:23:12,359 INFO L475 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2019-10-02 14:23:12,359 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 14:23:12,359 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2019-10-02 14:23:12,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-02 14:23:12,364 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:23:12,364 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:23:12,365 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:23:12,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:23:12,365 INFO L82 PathProgramCache]: Analyzing trace with hash -655892717, now seen corresponding path program 1 times [2019-10-02 14:23:12,365 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:23:12,365 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:23:12,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:12,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:12,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:12,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:23:12,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:23:12,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 14:23:12,532 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 14:23:12,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 14:23:12,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-02 14:23:12,533 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 7 states. [2019-10-02 14:23:12,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:23:12,822 INFO L93 Difference]: Finished difference Result 216 states and 257 transitions. [2019-10-02 14:23:12,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 14:23:12,822 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-02 14:23:12,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:23:12,824 INFO L225 Difference]: With dead ends: 216 [2019-10-02 14:23:12,825 INFO L226 Difference]: Without dead ends: 120 [2019-10-02 14:23:12,826 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-02 14:23:12,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-10-02 14:23:12,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-10-02 14:23:12,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-10-02 14:23:12,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2019-10-02 14:23:12,839 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 57 [2019-10-02 14:23:12,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:23:12,840 INFO L475 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2019-10-02 14:23:12,840 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 14:23:12,840 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2019-10-02 14:23:12,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-02 14:23:12,842 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:23:12,842 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:23:12,842 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:23:12,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:23:12,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1564257937, now seen corresponding path program 1 times [2019-10-02 14:23:12,843 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:23:12,843 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:23:12,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:12,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:12,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:12,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:23:12,962 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:23:12,962 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 14:23:12,963 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 14:23:12,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 14:23:12,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 14:23:12,964 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand 5 states. [2019-10-02 14:23:13,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:23:13,421 INFO L93 Difference]: Finished difference Result 322 states and 389 transitions. [2019-10-02 14:23:13,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 14:23:13,422 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-10-02 14:23:13,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:23:13,427 INFO L225 Difference]: With dead ends: 322 [2019-10-02 14:23:13,427 INFO L226 Difference]: Without dead ends: 226 [2019-10-02 14:23:13,428 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-02 14:23:13,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2019-10-02 14:23:13,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 208. [2019-10-02 14:23:13,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2019-10-02 14:23:13,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 238 transitions. [2019-10-02 14:23:13,487 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 238 transitions. Word has length 70 [2019-10-02 14:23:13,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:23:13,488 INFO L475 AbstractCegarLoop]: Abstraction has 208 states and 238 transitions. [2019-10-02 14:23:13,488 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 14:23:13,488 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 238 transitions. [2019-10-02 14:23:13,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-02 14:23:13,490 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:23:13,490 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:23:13,491 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:23:13,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:23:13,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1686316557, now seen corresponding path program 1 times [2019-10-02 14:23:13,492 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:23:13,493 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:23:13,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:13,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:13,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:13,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:23:13,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:23:13,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 14:23:13,649 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 14:23:13,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 14:23:13,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 14:23:13,650 INFO L87 Difference]: Start difference. First operand 208 states and 238 transitions. Second operand 6 states. [2019-10-02 14:23:13,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:23:13,863 INFO L93 Difference]: Finished difference Result 504 states and 609 transitions. [2019-10-02 14:23:13,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 14:23:13,864 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2019-10-02 14:23:13,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:23:13,868 INFO L225 Difference]: With dead ends: 504 [2019-10-02 14:23:13,868 INFO L226 Difference]: Without dead ends: 320 [2019-10-02 14:23:13,869 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-02 14:23:13,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2019-10-02 14:23:13,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 316. [2019-10-02 14:23:13,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2019-10-02 14:23:13,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 368 transitions. [2019-10-02 14:23:13,897 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 368 transitions. Word has length 84 [2019-10-02 14:23:13,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:23:13,898 INFO L475 AbstractCegarLoop]: Abstraction has 316 states and 368 transitions. [2019-10-02 14:23:13,898 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 14:23:13,898 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 368 transitions. [2019-10-02 14:23:13,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-02 14:23:13,899 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:23:13,900 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:23:13,900 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:23:13,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:23:13,900 INFO L82 PathProgramCache]: Analyzing trace with hash 645528839, now seen corresponding path program 1 times [2019-10-02 14:23:13,901 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:23:13,901 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:23:13,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:13,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:13,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:14,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:23:14,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:23:14,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 14:23:14,055 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 14:23:14,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 14:23:14,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 14:23:14,055 INFO L87 Difference]: Start difference. First operand 316 states and 368 transitions. Second operand 6 states. [2019-10-02 14:23:14,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:23:14,301 INFO L93 Difference]: Finished difference Result 679 states and 825 transitions. [2019-10-02 14:23:14,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 14:23:14,302 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2019-10-02 14:23:14,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:23:14,309 INFO L225 Difference]: With dead ends: 679 [2019-10-02 14:23:14,309 INFO L226 Difference]: Without dead ends: 495 [2019-10-02 14:23:14,311 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-02 14:23:14,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2019-10-02 14:23:14,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 477. [2019-10-02 14:23:14,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2019-10-02 14:23:14,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 569 transitions. [2019-10-02 14:23:14,365 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 569 transitions. Word has length 88 [2019-10-02 14:23:14,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:23:14,367 INFO L475 AbstractCegarLoop]: Abstraction has 477 states and 569 transitions. [2019-10-02 14:23:14,367 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 14:23:14,367 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 569 transitions. [2019-10-02 14:23:14,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-02 14:23:14,372 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:23:14,373 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:23:14,373 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:23:14,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:23:14,373 INFO L82 PathProgramCache]: Analyzing trace with hash -277154744, now seen corresponding path program 1 times [2019-10-02 14:23:14,374 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:23:14,374 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:23:14,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:14,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:14,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:14,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:23:14,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:23:14,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 14:23:14,474 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 14:23:14,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 14:23:14,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 14:23:14,475 INFO L87 Difference]: Start difference. First operand 477 states and 569 transitions. Second operand 5 states. [2019-10-02 14:23:14,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:23:14,517 INFO L93 Difference]: Finished difference Result 832 states and 1014 transitions. [2019-10-02 14:23:14,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 14:23:14,517 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2019-10-02 14:23:14,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:23:14,521 INFO L225 Difference]: With dead ends: 832 [2019-10-02 14:23:14,521 INFO L226 Difference]: Without dead ends: 487 [2019-10-02 14:23:14,522 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 14:23:14,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2019-10-02 14:23:14,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 481. [2019-10-02 14:23:14,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2019-10-02 14:23:14,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 572 transitions. [2019-10-02 14:23:14,560 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 572 transitions. Word has length 88 [2019-10-02 14:23:14,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:23:14,561 INFO L475 AbstractCegarLoop]: Abstraction has 481 states and 572 transitions. [2019-10-02 14:23:14,561 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 14:23:14,561 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 572 transitions. [2019-10-02 14:23:14,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-02 14:23:14,567 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:23:14,567 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:23:14,567 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:23:14,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:23:14,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1121160246, now seen corresponding path program 1 times [2019-10-02 14:23:14,568 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:23:14,568 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:23:14,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:14,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:14,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:14,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:23:14,694 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:23:14,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-02 14:23:14,696 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 14:23:14,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 14:23:14,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-02 14:23:14,697 INFO L87 Difference]: Start difference. First operand 481 states and 572 transitions. Second operand 9 states. [2019-10-02 14:23:14,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:23:14,800 INFO L93 Difference]: Finished difference Result 944 states and 1146 transitions. [2019-10-02 14:23:14,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 14:23:14,801 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2019-10-02 14:23:14,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:23:14,805 INFO L225 Difference]: With dead ends: 944 [2019-10-02 14:23:14,805 INFO L226 Difference]: Without dead ends: 487 [2019-10-02 14:23:14,807 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-02 14:23:14,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2019-10-02 14:23:14,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 481. [2019-10-02 14:23:14,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2019-10-02 14:23:14,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 570 transitions. [2019-10-02 14:23:14,841 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 570 transitions. Word has length 88 [2019-10-02 14:23:14,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:23:14,842 INFO L475 AbstractCegarLoop]: Abstraction has 481 states and 570 transitions. [2019-10-02 14:23:14,842 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 14:23:14,842 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 570 transitions. [2019-10-02 14:23:14,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-02 14:23:14,845 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:23:14,846 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:23:14,846 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:23:14,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:23:14,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1811416500, now seen corresponding path program 1 times [2019-10-02 14:23:14,847 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:23:14,847 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:23:14,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:14,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:14,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:14,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:23:14,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:23:14,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-02 14:23:14,973 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-02 14:23:14,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-02 14:23:14,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-02 14:23:14,973 INFO L87 Difference]: Start difference. First operand 481 states and 570 transitions. Second operand 10 states. [2019-10-02 14:23:15,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:23:15,347 INFO L93 Difference]: Finished difference Result 944 states and 1122 transitions. [2019-10-02 14:23:15,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-02 14:23:15,347 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2019-10-02 14:23:15,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:23:15,351 INFO L225 Difference]: With dead ends: 944 [2019-10-02 14:23:15,351 INFO L226 Difference]: Without dead ends: 487 [2019-10-02 14:23:15,353 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-02 14:23:15,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2019-10-02 14:23:15,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 470. [2019-10-02 14:23:15,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2019-10-02 14:23:15,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 539 transitions. [2019-10-02 14:23:15,380 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 539 transitions. Word has length 89 [2019-10-02 14:23:15,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:23:15,381 INFO L475 AbstractCegarLoop]: Abstraction has 470 states and 539 transitions. [2019-10-02 14:23:15,381 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-02 14:23:15,381 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 539 transitions. [2019-10-02 14:23:15,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-02 14:23:15,384 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:23:15,384 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:23:15,384 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:23:15,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:23:15,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1818347036, now seen corresponding path program 1 times [2019-10-02 14:23:15,385 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:23:15,385 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:23:15,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:15,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:15,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:15,467 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-02 14:23:15,467 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:23:15,468 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:23:15,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:15,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:15,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 842 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-02 14:23:15,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:23:15,907 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:23:15,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:23:15,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2019-10-02 14:23:15,917 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-02 14:23:15,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-02 14:23:15,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-10-02 14:23:15,917 INFO L87 Difference]: Start difference. First operand 470 states and 539 transitions. Second operand 12 states. [2019-10-02 14:23:17,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:23:17,940 INFO L93 Difference]: Finished difference Result 1280 states and 1590 transitions. [2019-10-02 14:23:17,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-02 14:23:17,941 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 136 [2019-10-02 14:23:17,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:23:17,947 INFO L225 Difference]: With dead ends: 1280 [2019-10-02 14:23:17,947 INFO L226 Difference]: Without dead ends: 902 [2019-10-02 14:23:17,949 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2019-10-02 14:23:17,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2019-10-02 14:23:17,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 821. [2019-10-02 14:23:17,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2019-10-02 14:23:17,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 962 transitions. [2019-10-02 14:23:18,000 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 962 transitions. Word has length 136 [2019-10-02 14:23:18,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:23:18,001 INFO L475 AbstractCegarLoop]: Abstraction has 821 states and 962 transitions. [2019-10-02 14:23:18,001 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-02 14:23:18,001 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 962 transitions. [2019-10-02 14:23:18,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-02 14:23:18,003 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:23:18,003 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:23:18,004 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:23:18,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:23:18,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1853705620, now seen corresponding path program 1 times [2019-10-02 14:23:18,004 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:23:18,004 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:23:18,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:18,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:18,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:18,095 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-02 14:23:18,095 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:23:18,095 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:23:18,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:18,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-02 14:23:18,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:23:18,386 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-02 14:23:18,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:23:18,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2019-10-02 14:23:18,403 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-02 14:23:18,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-02 14:23:18,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-10-02 14:23:18,405 INFO L87 Difference]: Start difference. First operand 821 states and 962 transitions. Second operand 11 states. [2019-10-02 14:23:18,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:23:18,488 INFO L93 Difference]: Finished difference Result 1445 states and 1716 transitions. [2019-10-02 14:23:18,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 14:23:18,488 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 132 [2019-10-02 14:23:18,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:23:18,494 INFO L225 Difference]: With dead ends: 1445 [2019-10-02 14:23:18,494 INFO L226 Difference]: Without dead ends: 709 [2019-10-02 14:23:18,497 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-10-02 14:23:18,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2019-10-02 14:23:18,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 709. [2019-10-02 14:23:18,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 709 states. [2019-10-02 14:23:18,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 827 transitions. [2019-10-02 14:23:18,557 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 827 transitions. Word has length 132 [2019-10-02 14:23:18,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:23:18,557 INFO L475 AbstractCegarLoop]: Abstraction has 709 states and 827 transitions. [2019-10-02 14:23:18,557 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-02 14:23:18,557 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 827 transitions. [2019-10-02 14:23:18,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-02 14:23:18,560 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:23:18,560 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:23:18,561 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:23:18,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:23:18,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1360854695, now seen corresponding path program 1 times [2019-10-02 14:23:18,561 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:23:18,561 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:23:18,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:18,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:18,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:18,703 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-02 14:23:18,704 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:23:18,704 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:23:18,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:18,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 843 conjuncts, 22 conjunts are in the unsatisfiable core [2019-10-02 14:23:18,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:23:19,044 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (4)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 14:23:19,049 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 14:23:19,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2019-10-02 14:23:19,049 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-02 14:23:19,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-02 14:23:19,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2019-10-02 14:23:19,050 INFO L87 Difference]: Start difference. First operand 709 states and 827 transitions. Second operand 15 states. [2019-10-02 14:23:22,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:23:22,130 INFO L93 Difference]: Finished difference Result 2513 states and 3546 transitions. [2019-10-02 14:23:22,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2019-10-02 14:23:22,130 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 136 [2019-10-02 14:23:22,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:23:22,133 INFO L225 Difference]: With dead ends: 2513 [2019-10-02 14:23:22,133 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 14:23:22,156 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2019-10-02 14:23:22,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 14:23:22,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 14:23:22,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 14:23:22,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 14:23:22,158 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2019-10-02 14:23:22,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:23:22,158 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 14:23:22,158 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-02 14:23:22,158 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 14:23:22,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 14:23:22,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-02 14:23:23,590 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 22 [2019-10-02 14:23:23,776 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 21 [2019-10-02 14:23:24,032 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 25 [2019-10-02 14:23:24,923 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 43 [2019-10-02 14:23:25,102 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 27 [2019-10-02 14:23:25,254 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 25 [2019-10-02 14:23:25,405 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 25 [2019-10-02 14:23:25,525 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 26 [2019-10-02 14:23:25,718 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 21 [2019-10-02 14:23:26,197 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 34 [2019-10-02 14:23:26,588 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 26 [2019-10-02 14:23:26,937 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 28 [2019-10-02 14:23:27,123 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 28 [2019-10-02 14:23:27,427 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 22 [2019-10-02 14:23:27,582 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2019-10-02 14:23:27,750 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 21 [2019-10-02 14:23:28,578 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 43 [2019-10-02 14:23:28,814 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 25 [2019-10-02 14:23:29,140 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2019-10-02 14:23:29,278 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 26 [2019-10-02 14:23:29,536 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 30 [2019-10-02 14:23:29,701 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2019-10-02 14:23:29,909 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 13 [2019-10-02 14:23:30,081 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2019-10-02 14:23:30,127 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-10-02 14:23:30,127 INFO L443 ceAbstractionStarter]: For program point L221-2(lines 221 242) no Hoare annotation was computed. [2019-10-02 14:23:30,127 INFO L443 ceAbstractionStarter]: For program point L243(lines 220 244) no Hoare annotation was computed. [2019-10-02 14:23:30,128 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 196 251) no Hoare annotation was computed. [2019-10-02 14:23:30,128 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 196 251) no Hoare annotation was computed. [2019-10-02 14:23:30,128 INFO L443 ceAbstractionStarter]: For program point L227(lines 227 231) no Hoare annotation was computed. [2019-10-02 14:23:30,128 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 196 251) no Hoare annotation was computed. [2019-10-02 14:23:30,128 INFO L443 ceAbstractionStarter]: For program point L227-1(lines 227 231) no Hoare annotation was computed. [2019-10-02 14:23:30,128 INFO L443 ceAbstractionStarter]: For program point L284(lines 284 288) no Hoare annotation was computed. [2019-10-02 14:23:30,128 INFO L443 ceAbstractionStarter]: For program point L284-1(lines 284 288) no Hoare annotation was computed. [2019-10-02 14:23:30,129 INFO L443 ceAbstractionStarter]: For program point L279(line 279) no Hoare annotation was computed. [2019-10-02 14:23:30,129 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 252 311) no Hoare annotation was computed. [2019-10-02 14:23:30,129 INFO L443 ceAbstractionStarter]: For program point L278-2(lines 278 303) no Hoare annotation was computed. [2019-10-02 14:23:30,129 INFO L443 ceAbstractionStarter]: For program point L304(lines 277 305) no Hoare annotation was computed. [2019-10-02 14:23:30,129 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 252 311) no Hoare annotation was computed. [2019-10-02 14:23:30,129 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 252 311) no Hoare annotation was computed. [2019-10-02 14:23:30,129 INFO L443 ceAbstractionStarter]: For program point L297(line 297) no Hoare annotation was computed. [2019-10-02 14:23:30,129 INFO L443 ceAbstractionStarter]: For program point L297-1(line 297) no Hoare annotation was computed. [2019-10-02 14:23:30,129 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 917 923) the Hoare annotation is: true [2019-10-02 14:23:30,130 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 917 923) no Hoare annotation was computed. [2019-10-02 14:23:30,130 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 924 932) no Hoare annotation was computed. [2019-10-02 14:23:30,130 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 924 932) the Hoare annotation is: true [2019-10-02 14:23:30,130 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 924 932) no Hoare annotation was computed. [2019-10-02 14:23:30,130 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-10-02 14:23:30,130 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-02 14:23:30,130 INFO L439 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:23:30,130 INFO L439 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:23:30,130 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:23:30,130 INFO L439 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:23:30,131 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-10-02 14:23:30,131 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2019-10-02 14:23:30,131 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:23:30,131 INFO L439 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:23:30,131 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-02 14:23:30,131 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-02 14:23:30,131 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-02 14:23:30,131 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-02 14:23:30,131 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-02 14:23:30,131 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-02 14:23:30,132 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-02 14:23:30,132 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-02 14:23:30,132 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-02 14:23:30,132 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-02 14:23:30,132 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-02 14:23:30,132 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-02 14:23:30,132 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-02 14:23:30,132 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-02 14:23:30,133 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-02 14:23:30,133 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-02 14:23:30,133 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-02 14:23:30,133 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-02 14:23:30,133 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 631 639) no Hoare annotation was computed. [2019-10-02 14:23:30,133 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 631 639) the Hoare annotation is: true [2019-10-02 14:23:30,133 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 631 639) no Hoare annotation was computed. [2019-10-02 14:23:30,134 INFO L443 ceAbstractionStarter]: For program point L670(line 670) no Hoare annotation was computed. [2019-10-02 14:23:30,134 INFO L443 ceAbstractionStarter]: For program point L670-1(line 670) no Hoare annotation was computed. [2019-10-02 14:23:30,134 INFO L443 ceAbstractionStarter]: For program point L659(lines 659 667) no Hoare annotation was computed. [2019-10-02 14:23:30,134 INFO L443 ceAbstractionStarter]: For program point L659-2(lines 659 667) no Hoare annotation was computed. [2019-10-02 14:23:30,134 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 640 675) no Hoare annotation was computed. [2019-10-02 14:23:30,134 INFO L443 ceAbstractionStarter]: For program point L647(lines 647 655) no Hoare annotation was computed. [2019-10-02 14:23:30,134 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 640 675) no Hoare annotation was computed. [2019-10-02 14:23:30,134 INFO L443 ceAbstractionStarter]: For program point L647-2(lines 647 655) no Hoare annotation was computed. [2019-10-02 14:23:30,135 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 640 675) no Hoare annotation was computed. [2019-10-02 14:23:30,135 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 910 916) no Hoare annotation was computed. [2019-10-02 14:23:30,135 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 910 916) the Hoare annotation is: true [2019-10-02 14:23:30,135 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 150 195) no Hoare annotation was computed. [2019-10-02 14:23:30,135 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 150 195) no Hoare annotation was computed. [2019-10-02 14:23:30,135 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 150 195) no Hoare annotation was computed. [2019-10-02 14:23:30,135 INFO L443 ceAbstractionStarter]: For program point L477(lines 477 497) no Hoare annotation was computed. [2019-10-02 14:23:30,135 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 477 497) no Hoare annotation was computed. [2019-10-02 14:23:30,136 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 463 508) no Hoare annotation was computed. [2019-10-02 14:23:30,136 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 463 508) no Hoare annotation was computed. [2019-10-02 14:23:30,136 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 463 508) no Hoare annotation was computed. [2019-10-02 14:23:30,136 INFO L443 ceAbstractionStarter]: For program point L483(lines 483 490) no Hoare annotation was computed. [2019-10-02 14:23:30,136 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:23:30,136 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-10-02 14:23:30,136 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-10-02 14:23:30,137 INFO L446 ceAbstractionStarter]: At program point L625(line 625) the Hoare annotation is: true [2019-10-02 14:23:30,137 INFO L443 ceAbstractionStarter]: For program point L625-1(line 625) no Hoare annotation was computed. [2019-10-02 14:23:30,137 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 620 630) the Hoare annotation is: true [2019-10-02 14:23:30,137 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 620 630) no Hoare annotation was computed. [2019-10-02 14:23:30,137 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 620 630) no Hoare annotation was computed. [2019-10-02 14:23:30,137 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 612 619) the Hoare annotation is: (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 1)) [2019-10-02 14:23:30,137 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 612 619) no Hoare annotation was computed. [2019-10-02 14:23:30,138 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 612 619) no Hoare annotation was computed. [2019-10-02 14:23:30,138 INFO L443 ceAbstractionStarter]: For program point L845(lines 845 851) no Hoare annotation was computed. [2019-10-02 14:23:30,138 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 841 854) no Hoare annotation was computed. [2019-10-02 14:23:30,138 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 841 854) the Hoare annotation is: true [2019-10-02 14:23:30,138 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 841 854) no Hoare annotation was computed. [2019-10-02 14:23:30,138 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 579 603) no Hoare annotation was computed. [2019-10-02 14:23:30,138 INFO L439 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 0) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-02 14:23:30,138 INFO L443 ceAbstractionStarter]: For program point L598-1(lines 579 603) no Hoare annotation was computed. [2019-10-02 14:23:30,139 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 579 603) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 0) .cse0))) [2019-10-02 14:23:30,139 INFO L439 ceAbstractionStarter]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-10-02 14:23:30,139 INFO L439 ceAbstractionStarter]: At program point L589(line 589) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-10-02 14:23:30,139 INFO L443 ceAbstractionStarter]: For program point L587(lines 587 595) no Hoare annotation was computed. [2019-10-02 14:23:30,139 INFO L439 ceAbstractionStarter]: At program point L585(line 585) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-10-02 14:23:30,139 INFO L443 ceAbstractionStarter]: For program point L585-1(line 585) no Hoare annotation was computed. [2019-10-02 14:23:30,140 INFO L443 ceAbstractionStarter]: For program point L583(lines 583 600) no Hoare annotation was computed. [2019-10-02 14:23:30,140 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 545 551) no Hoare annotation was computed. [2019-10-02 14:23:30,140 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 545 551) the Hoare annotation is: true [2019-10-02 14:23:30,140 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 696 759) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:23:30,140 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 696 759) no Hoare annotation was computed. [2019-10-02 14:23:30,140 INFO L439 ceAbstractionStarter]: At program point L752(lines 705 753) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:23:30,140 INFO L443 ceAbstractionStarter]: For program point L742(lines 742 746) no Hoare annotation was computed. [2019-10-02 14:23:30,141 INFO L439 ceAbstractionStarter]: At program point L742-2(lines 736 747) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 0)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-02 14:23:30,141 INFO L443 ceAbstractionStarter]: For program point L707(lines 706 751) no Hoare annotation was computed. [2019-10-02 14:23:30,141 INFO L443 ceAbstractionStarter]: For program point L736(lines 736 747) no Hoare annotation was computed. [2019-10-02 14:23:30,141 INFO L439 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 0)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-02 14:23:30,141 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2019-10-02 14:23:30,141 INFO L443 ceAbstractionStarter]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2019-10-02 14:23:30,141 INFO L439 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= ~systemActive~0 1)) (and .cse0 (<= ~waterLevel~0 2) (= ~pumpRunning~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-02 14:23:30,142 INFO L439 ceAbstractionStarter]: At program point L749(lines 706 751) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) (not (= ~systemActive~0 1)) (and .cse0 (<= ~waterLevel~0 2) (= ~pumpRunning~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-02 14:23:30,142 INFO L443 ceAbstractionStarter]: For program point L716(lines 716 722) no Hoare annotation was computed. [2019-10-02 14:23:30,142 INFO L443 ceAbstractionStarter]: For program point L716-1(lines 716 722) no Hoare annotation was computed. [2019-10-02 14:23:30,142 INFO L443 ceAbstractionStarter]: For program point L708(lines 708 712) no Hoare annotation was computed. [2019-10-02 14:23:30,142 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 696 759) no Hoare annotation was computed. [2019-10-02 14:23:30,142 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 417 462) no Hoare annotation was computed. [2019-10-02 14:23:30,142 INFO L443 ceAbstractionStarter]: For program point L437(lines 437 444) no Hoare annotation was computed. [2019-10-02 14:23:30,142 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 417 462) no Hoare annotation was computed. [2019-10-02 14:23:30,143 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 417 462) no Hoare annotation was computed. [2019-10-02 14:23:30,143 INFO L443 ceAbstractionStarter]: For program point L431(lines 431 451) no Hoare annotation was computed. [2019-10-02 14:23:30,143 INFO L443 ceAbstractionStarter]: For program point L431-1(lines 431 451) no Hoare annotation was computed. [2019-10-02 14:23:30,143 INFO L443 ceAbstractionStarter]: For program point L817(lines 817 825) no Hoare annotation was computed. [2019-10-02 14:23:30,143 INFO L443 ceAbstractionStarter]: For program point L817-2(lines 817 825) no Hoare annotation was computed. [2019-10-02 14:23:30,143 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 809 831) no Hoare annotation was computed. [2019-10-02 14:23:30,143 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 809 831) no Hoare annotation was computed. [2019-10-02 14:23:30,144 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 809 831) no Hoare annotation was computed. [2019-10-02 14:23:30,144 INFO L443 ceAbstractionStarter]: For program point L384(lines 362 385) no Hoare annotation was computed. [2019-10-02 14:23:30,144 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 314 416) no Hoare annotation was computed. [2019-10-02 14:23:30,144 INFO L443 ceAbstractionStarter]: For program point L343(lines 343 359) no Hoare annotation was computed. [2019-10-02 14:23:30,144 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 410) no Hoare annotation was computed. [2019-10-02 14:23:30,144 INFO L443 ceAbstractionStarter]: For program point L364(lines 363 383) no Hoare annotation was computed. [2019-10-02 14:23:30,144 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-10-02 14:23:30,144 INFO L443 ceAbstractionStarter]: For program point L395-1(line 395) no Hoare annotation was computed. [2019-10-02 14:23:30,145 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 401) no Hoare annotation was computed. [2019-10-02 14:23:30,145 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 314 416) no Hoare annotation was computed. [2019-10-02 14:23:30,145 INFO L443 ceAbstractionStarter]: For program point L379(line 379) no Hoare annotation was computed. [2019-10-02 14:23:30,145 INFO L443 ceAbstractionStarter]: For program point L379-1(line 379) no Hoare annotation was computed. [2019-10-02 14:23:30,145 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 342) no Hoare annotation was computed. [2019-10-02 14:23:30,145 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-02 14:23:30,145 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 314 416) no Hoare annotation was computed. [2019-10-02 14:23:30,145 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 369) no Hoare annotation was computed. [2019-10-02 14:23:30,145 INFO L443 ceAbstractionStarter]: For program point L363-2(lines 363 383) no Hoare annotation was computed. [2019-10-02 14:23:30,146 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 900 909) no Hoare annotation was computed. [2019-10-02 14:23:30,146 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 900 909) no Hoare annotation was computed. [2019-10-02 14:23:30,146 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 900 909) no Hoare annotation was computed. [2019-10-02 14:23:30,146 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:23:30,146 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-02 14:23:30,146 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:23:30,146 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 604 611) no Hoare annotation was computed. [2019-10-02 14:23:30,146 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 604 611) no Hoare annotation was computed. [2019-10-02 14:23:30,147 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 604 611) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-10-02 14:23:30,147 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 676 694) no Hoare annotation was computed. [2019-10-02 14:23:30,147 INFO L443 ceAbstractionStarter]: For program point L685(lines 685 689) no Hoare annotation was computed. [2019-10-02 14:23:30,147 INFO L446 ceAbstractionStarter]: At program point L683(line 683) the Hoare annotation is: true [2019-10-02 14:23:30,147 INFO L443 ceAbstractionStarter]: For program point L685-2(lines 685 689) no Hoare annotation was computed. [2019-10-02 14:23:30,147 INFO L443 ceAbstractionStarter]: For program point L683-1(line 683) no Hoare annotation was computed. [2019-10-02 14:23:30,147 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 676 694) the Hoare annotation is: true [2019-10-02 14:23:30,147 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 676 694) no Hoare annotation was computed. [2019-10-02 14:23:30,148 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 832 840) the Hoare annotation is: true [2019-10-02 14:23:30,148 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 832 840) no Hoare annotation was computed. [2019-10-02 14:23:30,148 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 832 840) no Hoare annotation was computed. [2019-10-02 14:23:30,148 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 788 799) the Hoare annotation is: (let ((.cse5 (= |old(~methaneLevelCritical~0)| 0)) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~methaneLevelCritical~0))) (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse6 (not .cse2)) (.cse7 (or (not (= 1 ~pumpRunning~0)) .cse3)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse4 (not .cse5))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse1 .cse3) (or .cse7 .cse5 .cse1 .cse6) (or .cse7 .cse2 .cse1 .cse4)))) [2019-10-02 14:23:30,148 INFO L443 ceAbstractionStarter]: For program point L792-1(lines 788 799) no Hoare annotation was computed. [2019-10-02 14:23:30,148 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 788 799) no Hoare annotation was computed. [2019-10-02 14:23:30,149 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:23:30,149 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-02 14:23:30,149 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:23:30,149 INFO L439 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse4))) (and (or .cse0 .cse1 (and .cse2 (= ~pumpRunning~0 1) (< ~waterLevel~0 2))) (or .cse3 .cse1 (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse4) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) (<= 1 ~waterLevel~0)) (or (or (not (< |old(~waterLevel~0)| 2)) .cse3 .cse4) .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (not (<= 1 |old(~waterLevel~0)|)) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))))) [2019-10-02 14:23:30,149 INFO L439 ceAbstractionStarter]: At program point L532(lines 532 538) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse3 (= ~pumpRunning~0 1)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6))) (and (let ((.cse0 (<= ~waterLevel~0 1))) (or (and .cse0 .cse1) .cse2 (and .cse0 .cse3) .cse4)) (or .cse2 .cse4 .cse5) (or .cse2 .cse4 (not (<= 2 |old(~waterLevel~0)|)) (<= 1 ~waterLevel~0)) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 (<= 2 ~waterLevel~0) .cse3) .cse4 .cse6 (and .cse5 .cse1 (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 (not (<= 1 |old(~waterLevel~0)|)) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))))) [2019-10-02 14:23:30,150 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 521 544) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse5)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (and .cse1 (= ~pumpRunning~0 1) .cse2) .cse3) (or .cse4 .cse3 (and .cse1 (= ~pumpRunning~0 0) .cse2) .cse5) (or (or (not (< |old(~waterLevel~0)| 2)) .cse4 .cse5) .cse6) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse6)))) [2019-10-02 14:23:30,150 INFO L439 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse0 (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (<= ~waterLevel~0 |old(~waterLevel~0)|) (not (<= |old(~waterLevel~0)| 1)) .cse2)))) [2019-10-02 14:23:30,150 INFO L443 ceAbstractionStarter]: For program point L525(lines 524 543) no Hoare annotation was computed. [2019-10-02 14:23:30,150 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 521 544) no Hoare annotation was computed. [2019-10-02 14:23:30,150 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 521 544) no Hoare annotation was computed. [2019-10-02 14:23:30,150 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-02 14:23:30,150 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-02 14:23:30,150 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-02 14:23:30,151 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-02 14:23:30,151 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-02 14:23:30,151 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-02 14:23:30,151 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-02 14:23:30,151 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-02 14:23:30,151 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-02 14:23:30,151 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-02 14:23:30,152 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 800 808) the Hoare annotation is: true [2019-10-02 14:23:30,152 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 800 808) no Hoare annotation was computed. [2019-10-02 14:23:30,152 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 800 808) no Hoare annotation was computed. [2019-10-02 14:23:30,152 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 865 897) no Hoare annotation was computed. [2019-10-02 14:23:30,152 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 865 897) the Hoare annotation is: true [2019-10-02 14:23:30,152 INFO L439 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 1 ~pumpRunning~0)) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0)) .cse0))) [2019-10-02 14:23:30,152 INFO L443 ceAbstractionStarter]: For program point L884(lines 884 890) no Hoare annotation was computed. [2019-10-02 14:23:30,153 INFO L439 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (= ~methaneLevelCritical~0 __utac_acc__Specification3_spec__1_~tmp~8) .cse0 .cse1 .cse2) (or .cse3 (not (= 0 ~pumpRunning~0)) .cse2) (or (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2))) [2019-10-02 14:23:30,153 INFO L443 ceAbstractionStarter]: For program point L882-1(line 882) no Hoare annotation was computed. [2019-10-02 14:23:30,153 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 893) no Hoare annotation was computed. [2019-10-02 14:23:30,153 INFO L443 ceAbstractionStarter]: For program point L880-1(lines 865 897) no Hoare annotation was computed. [2019-10-02 14:23:30,153 INFO L439 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 __utac_acc__Specification3_spec__1_~tmp~8)) (.cse4 (not (<= ~waterLevel~0 2))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or .cse6 .cse4 .cse5 .cse3) (or .cse0 .cse1 .cse6 .cse3))) [2019-10-02 14:23:30,153 INFO L443 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2019-10-02 14:23:30,154 INFO L443 ceAbstractionStarter]: For program point L874(lines 874 894) no Hoare annotation was computed. [2019-10-02 14:23:30,154 INFO L446 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: true [2019-10-02 14:23:30,154 INFO L443 ceAbstractionStarter]: For program point L872-1(line 872) no Hoare annotation was computed. [2019-10-02 14:23:30,154 INFO L443 ceAbstractionStarter]: For program point L768-1(lines 764 775) no Hoare annotation was computed. [2019-10-02 14:23:30,154 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 764 775) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 1)) (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (or .cse0 (and (<= ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= |old(~waterLevel~0)| 2)) .cse1))) [2019-10-02 14:23:30,154 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 764 775) no Hoare annotation was computed. [2019-10-02 14:23:30,154 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-02 14:23:30,155 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-02 14:23:30,155 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:23:30,155 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) [2019-10-02 14:23:30,155 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-02 14:23:30,155 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:23:30,155 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 553 577) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 0) .cse0))) [2019-10-02 14:23:30,156 INFO L439 ceAbstractionStarter]: At program point L572(line 572) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-10-02 14:23:30,156 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 553 577) no Hoare annotation was computed. [2019-10-02 14:23:30,156 INFO L443 ceAbstractionStarter]: For program point L572-1(lines 553 577) no Hoare annotation was computed. [2019-10-02 14:23:30,156 INFO L439 ceAbstractionStarter]: At program point L567(line 567) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (<= 2 ~waterLevel~0)) .cse1) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= ~pumpRunning~0 0)) (or (not (< ~waterLevel~0 2)) .cse0 .cse1)))) [2019-10-02 14:23:30,156 INFO L439 ceAbstractionStarter]: At program point L563(line 563) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (< ~waterLevel~0 2)) .cse0 .cse1) (or .cse0 (and (= 1 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= ~pumpRunning~0 0)) (not (<= ~waterLevel~0 2)) .cse1) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2019-10-02 14:23:30,156 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 569) no Hoare annotation was computed. [2019-10-02 14:23:30,157 INFO L439 ceAbstractionStarter]: At program point L559(line 559) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 0) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-02 14:23:30,157 INFO L443 ceAbstractionStarter]: For program point L559-1(line 559) no Hoare annotation was computed. [2019-10-02 14:23:30,157 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 574) no Hoare annotation was computed. [2019-10-02 14:23:30,157 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 776 787) no Hoare annotation was computed. [2019-10-02 14:23:30,157 INFO L443 ceAbstractionStarter]: For program point L780-1(lines 776 787) no Hoare annotation was computed. [2019-10-02 14:23:30,157 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 776 787) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0)) (.cse3 (not (< |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and (<= ~waterLevel~0 2) .cse0) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2) (or (or .cse3 (not (= 0 ~pumpRunning~0)) .cse2) .cse4) (or .cse4 (or .cse3 .cse1 .cse2))))) [2019-10-02 14:23:30,157 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 856 863) no Hoare annotation was computed. [2019-10-02 14:23:30,157 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 856 863) the Hoare annotation is: true [2019-10-02 14:23:30,158 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 856 863) no Hoare annotation was computed. [2019-10-02 14:23:30,158 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2019-10-02 14:23:30,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 02:23:30 BoogieIcfgContainer [2019-10-02 14:23:30,172 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 14:23:30,174 INFO L168 Benchmark]: Toolchain (without parser) took 21057.50 ms. Allocated memory was 134.2 MB in the beginning and 558.9 MB in the end (delta: 424.7 MB). Free memory was 87.8 MB in the beginning and 470.1 MB in the end (delta: -382.2 MB). Peak memory consumption was 434.9 MB. Max. memory is 7.1 GB. [2019-10-02 14:23:30,175 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 134.2 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-02 14:23:30,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.32 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 87.6 MB in the beginning and 165.1 MB in the end (delta: -77.5 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-10-02 14:23:30,177 INFO L168 Benchmark]: Boogie Preprocessor took 93.77 ms. Allocated memory is still 200.8 MB. Free memory was 165.1 MB in the beginning and 160.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-02 14:23:30,178 INFO L168 Benchmark]: RCFGBuilder took 1396.07 ms. Allocated memory was 200.8 MB in the beginning and 227.5 MB in the end (delta: 26.7 MB). Free memory was 160.8 MB in the beginning and 191.3 MB in the end (delta: -30.5 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. [2019-10-02 14:23:30,179 INFO L168 Benchmark]: TraceAbstraction took 18887.07 ms. Allocated memory was 227.5 MB in the beginning and 558.9 MB in the end (delta: 331.4 MB). Free memory was 191.3 MB in the beginning and 470.1 MB in the end (delta: -278.8 MB). Peak memory consumption was 445.0 MB. Max. memory is 7.1 GB. [2019-10-02 14:23:30,183 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 134.2 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 673.32 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 87.6 MB in the beginning and 165.1 MB in the end (delta: -77.5 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.77 ms. Allocated memory is still 200.8 MB. Free memory was 165.1 MB in the beginning and 160.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1396.07 ms. Allocated memory was 200.8 MB in the beginning and 227.5 MB in the end (delta: 26.7 MB). Free memory was 160.8 MB in the beginning and 191.3 MB in the end (delta: -30.5 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18887.07 ms. Allocated memory was 227.5 MB in the beginning and 558.9 MB in the end (delta: 331.4 MB). Free memory was 191.3 MB in the beginning and 470.1 MB in the end (delta: -278.8 MB). Peak memory consumption was 445.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 860]: 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: 706]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && pumpRunning == 0) && waterLevel < 2) || !(systemActive == 1)) || ((0 == splverifierCounter && waterLevel <= 2) && pumpRunning == 1)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 228 locations, 1 error locations. SAFE Result, 18.8s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 7.1s AutomataDifference, 0.0s DeadEndRemovalTime, 7.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1938 SDtfs, 1903 SDslu, 6916 SDs, 0 SdLazy, 4956 SolverSat, 1045 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 570 GetRequests, 444 SyntacticMatches, 1 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=821occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 150 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 2475 PreInvPairs, 2984 NumberOfFragments, 1546 HoareAnnotationTreeSize, 2475 FomulaSimplifications, 10830 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 59 FomulaSimplificationsInter, 29377 FormulaSimplificationTreeSizeReductionInter, 6.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1477 NumberOfCodeBlocks, 1477 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1462 ConstructedInterpolants, 0 QuantifiedInterpolants, 246887 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2519 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 164/180 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...