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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:37,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:37,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:37,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:37,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:37,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:37,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:37,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:37,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:37,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:37,825 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:37,826 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:37,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:37,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:37,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:37,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:37,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:37,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:37,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:37,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:37,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:37,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:37,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:37,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:37,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:37,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:37,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:37,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:37,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:37,860 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:37,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:37,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:37,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:37,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:37,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:37,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:37,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:37,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:37,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:37,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:37,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:37,872 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:22:37,887 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:37,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:37,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:37,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:37,889 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:37,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:37,889 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:37,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:37,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:37,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:37,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:37,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:37,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:37,890 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:37,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:37,891 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:37,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:37,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:37,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:37,892 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:37,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:37,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:37,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:37,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:37,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:37,893 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:37,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:37,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:37,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:22:38,176 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:38,189 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:38,193 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:38,195 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:38,195 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:38,196 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2019-10-13 21:22:38,261 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbeb20c45/4721c695ce97475798bd6f1d42ca3880/FLAGbeb679b64 [2019-10-13 21:22:38,769 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:38,770 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2019-10-13 21:22:38,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbeb20c45/4721c695ce97475798bd6f1d42ca3880/FLAGbeb679b64 [2019-10-13 21:22:39,110 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbeb20c45/4721c695ce97475798bd6f1d42ca3880 [2019-10-13 21:22:39,120 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:39,122 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:39,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:39,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:39,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:39,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:39" (1/1) ... [2019-10-13 21:22:39,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e9ca86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:39, skipping insertion in model container [2019-10-13 21:22:39,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:39" (1/1) ... [2019-10-13 21:22:39,138 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:39,203 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:39,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:39,682 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:39,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:39,817 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:39,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:39 WrapperNode [2019-10-13 21:22:39,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:39,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:39,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:39,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:39,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:39" (1/1) ... [2019-10-13 21:22:39,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:39" (1/1) ... [2019-10-13 21:22:39,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:39" (1/1) ... [2019-10-13 21:22:39,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:39" (1/1) ... [2019-10-13 21:22:39,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:39" (1/1) ... [2019-10-13 21:22:39,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:39" (1/1) ... [2019-10-13 21:22:39,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:39" (1/1) ... [2019-10-13 21:22:39,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:39,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:39,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:39,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:39,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:40,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:40,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:40,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:40,015 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:40,015 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:40,016 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:40,016 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:40,016 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:40,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:40,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:22:40,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:40,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:40,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:40,018 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:40,019 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:40,019 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:40,019 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:40,019 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:40,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:40,020 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:40,020 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:40,021 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:40,021 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:40,022 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:40,022 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:40,022 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:40,022 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:40,022 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:40,022 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:22:40,022 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:40,023 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:40,023 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:40,023 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:40,023 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:40,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:40,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:40,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:40,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:40,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:40,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:40,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:40,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:40,025 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:40,025 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:40,025 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:40,025 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:40,025 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:40,025 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:40,026 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:40,026 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:22:40,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:40,026 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:40,026 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:40,026 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:40,026 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:40,027 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:40,027 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:40,027 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:40,027 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:40,027 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:40,027 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:40,028 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:40,028 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:40,029 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:40,029 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:40,029 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:40,029 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:40,030 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:40,030 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:40,030 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:40,030 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:40,030 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:22:40,030 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:40,031 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:40,031 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:40,031 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:40,032 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:40,032 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:40,032 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:40,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:40,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:40,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:40,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:40,034 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:40,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:40,035 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:40,035 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:40,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:40,036 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:40,036 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:40,036 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:40,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:40,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:40,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:41,118 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:41,119 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:41,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:41 BoogieIcfgContainer [2019-10-13 21:22:41,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:41,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:41,122 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:41,125 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:41,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:39" (1/3) ... [2019-10-13 21:22:41,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ebf952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:41, skipping insertion in model container [2019-10-13 21:22:41,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:39" (2/3) ... [2019-10-13 21:22:41,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ebf952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:41, skipping insertion in model container [2019-10-13 21:22:41,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:41" (3/3) ... [2019-10-13 21:22:41,130 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product37.cil.c [2019-10-13 21:22:41,140 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:41,149 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:41,161 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:41,190 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:41,190 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:41,190 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:41,190 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:41,191 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:41,191 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:41,191 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:41,192 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:41,217 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2019-10-13 21:22:41,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 21:22:41,228 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:41,230 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:41,232 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:41,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:41,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1869542645, now seen corresponding path program 1 times [2019-10-13 21:22:41,249 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:41,249 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542892161] [2019-10-13 21:22:41,250 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:41,250 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:41,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:41,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:41,594 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542892161] [2019-10-13 21:22:41,596 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:41,596 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:41,597 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594000735] [2019-10-13 21:22:41,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:41,607 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:41,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:41,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:41,625 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 2 states. [2019-10-13 21:22:41,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:41,671 INFO L93 Difference]: Finished difference Result 268 states and 331 transitions. [2019-10-13 21:22:41,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:41,673 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-13 21:22:41,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:41,686 INFO L225 Difference]: With dead ends: 268 [2019-10-13 21:22:41,686 INFO L226 Difference]: Without dead ends: 136 [2019-10-13 21:22:41,691 INFO L600 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 [2019-10-13 21:22:41,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-10-13 21:22:41,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2019-10-13 21:22:41,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-10-13 21:22:41,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 159 transitions. [2019-10-13 21:22:41,751 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 159 transitions. Word has length 59 [2019-10-13 21:22:41,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:41,752 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 159 transitions. [2019-10-13 21:22:41,752 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:41,752 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2019-10-13 21:22:41,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 21:22:41,757 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:41,757 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:41,757 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:41,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:41,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1007263159, now seen corresponding path program 1 times [2019-10-13 21:22:41,758 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:41,758 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597894317] [2019-10-13 21:22:41,759 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:41,759 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:41,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:41,972 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:41,973 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597894317] [2019-10-13 21:22:41,975 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:41,975 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:41,976 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863233792] [2019-10-13 21:22:41,978 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:41,978 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:41,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:41,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:41,980 INFO L87 Difference]: Start difference. First operand 136 states and 159 transitions. Second operand 3 states. [2019-10-13 21:22:42,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:42,007 INFO L93 Difference]: Finished difference Result 217 states and 253 transitions. [2019-10-13 21:22:42,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:42,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-13 21:22:42,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:42,013 INFO L225 Difference]: With dead ends: 217 [2019-10-13 21:22:42,013 INFO L226 Difference]: Without dead ends: 127 [2019-10-13 21:22:42,018 INFO L600 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 [2019-10-13 21:22:42,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-10-13 21:22:42,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2019-10-13 21:22:42,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-10-13 21:22:42,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 147 transitions. [2019-10-13 21:22:42,037 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 147 transitions. Word has length 60 [2019-10-13 21:22:42,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:42,038 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 147 transitions. [2019-10-13 21:22:42,038 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:42,038 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2019-10-13 21:22:42,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-13 21:22:42,041 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:42,041 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:42,041 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:42,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:42,042 INFO L82 PathProgramCache]: Analyzing trace with hash -706056489, now seen corresponding path program 1 times [2019-10-13 21:22:42,042 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:42,042 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326300062] [2019-10-13 21:22:42,043 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:42,043 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:42,043 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:42,213 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:42,214 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326300062] [2019-10-13 21:22:42,214 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:42,214 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:42,215 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400855399] [2019-10-13 21:22:42,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:42,216 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:42,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:42,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:42,216 INFO L87 Difference]: Start difference. First operand 127 states and 147 transitions. Second operand 3 states. [2019-10-13 21:22:42,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:42,239 INFO L93 Difference]: Finished difference Result 226 states and 267 transitions. [2019-10-13 21:22:42,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:42,239 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-10-13 21:22:42,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:42,242 INFO L225 Difference]: With dead ends: 226 [2019-10-13 21:22:42,242 INFO L226 Difference]: Without dead ends: 127 [2019-10-13 21:22:42,243 INFO L600 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 [2019-10-13 21:22:42,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-10-13 21:22:42,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2019-10-13 21:22:42,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-10-13 21:22:42,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 146 transitions. [2019-10-13 21:22:42,257 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 146 transitions. Word has length 64 [2019-10-13 21:22:42,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:42,260 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 146 transitions. [2019-10-13 21:22:42,260 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:42,260 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 146 transitions. [2019-10-13 21:22:42,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-13 21:22:42,264 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:42,268 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:42,268 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:42,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:42,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1588822882, now seen corresponding path program 1 times [2019-10-13 21:22:42,269 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:42,270 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178821388] [2019-10-13 21:22:42,270 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:42,270 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:42,270 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:42,414 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:42,415 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178821388] [2019-10-13 21:22:42,415 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:42,416 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:22:42,416 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064901826] [2019-10-13 21:22:42,417 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:22:42,417 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:42,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:22:42,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:22:42,418 INFO L87 Difference]: Start difference. First operand 127 states and 146 transitions. Second operand 5 states. [2019-10-13 21:22:42,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:42,992 INFO L93 Difference]: Finished difference Result 327 states and 395 transitions. [2019-10-13 21:22:42,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:22:42,992 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2019-10-13 21:22:42,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:42,997 INFO L225 Difference]: With dead ends: 327 [2019-10-13 21:22:42,997 INFO L226 Difference]: Without dead ends: 228 [2019-10-13 21:22:43,005 INFO L600 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 [2019-10-13 21:22:43,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2019-10-13 21:22:43,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 210. [2019-10-13 21:22:43,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-10-13 21:22:43,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 241 transitions. [2019-10-13 21:22:43,057 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 241 transitions. Word has length 77 [2019-10-13 21:22:43,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:43,058 INFO L462 AbstractCegarLoop]: Abstraction has 210 states and 241 transitions. [2019-10-13 21:22:43,058 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:22:43,058 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 241 transitions. [2019-10-13 21:22:43,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-10-13 21:22:43,067 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:43,067 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:43,067 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:43,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:43,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1801013738, now seen corresponding path program 1 times [2019-10-13 21:22:43,068 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:43,068 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466687002] [2019-10-13 21:22:43,069 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:43,069 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:43,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:43,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:22:43,268 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466687002] [2019-10-13 21:22:43,268 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:43,268 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:43,268 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040660633] [2019-10-13 21:22:43,269 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:43,269 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:43,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:43,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:43,270 INFO L87 Difference]: Start difference. First operand 210 states and 241 transitions. Second operand 7 states. [2019-10-13 21:22:43,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:43,970 INFO L93 Difference]: Finished difference Result 409 states and 485 transitions. [2019-10-13 21:22:43,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:22:43,971 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2019-10-13 21:22:43,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:43,975 INFO L225 Difference]: With dead ends: 409 [2019-10-13 21:22:43,975 INFO L226 Difference]: Without dead ends: 227 [2019-10-13 21:22:43,978 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:22:43,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-10-13 21:22:44,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 209. [2019-10-13 21:22:44,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2019-10-13 21:22:44,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2019-10-13 21:22:44,017 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 91 [2019-10-13 21:22:44,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:44,018 INFO L462 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2019-10-13 21:22:44,018 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:44,018 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2019-10-13 21:22:44,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-13 21:22:44,026 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:44,027 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:44,027 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:44,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:44,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1999801536, now seen corresponding path program 1 times [2019-10-13 21:22:44,028 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:44,028 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692739621] [2019-10-13 21:22:44,028 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,028 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,028 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:44,146 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:44,147 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692739621] [2019-10-13 21:22:44,148 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:44,148 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:22:44,149 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101614771] [2019-10-13 21:22:44,151 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:44,152 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:44,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:44,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:44,152 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand 6 states. [2019-10-13 21:22:44,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:44,209 INFO L93 Difference]: Finished difference Result 395 states and 458 transitions. [2019-10-13 21:22:44,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:44,210 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2019-10-13 21:22:44,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:44,216 INFO L225 Difference]: With dead ends: 395 [2019-10-13 21:22:44,217 INFO L226 Difference]: Without dead ends: 214 [2019-10-13 21:22:44,218 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:44,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2019-10-13 21:22:44,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2019-10-13 21:22:44,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2019-10-13 21:22:44,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 243 transitions. [2019-10-13 21:22:44,240 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 243 transitions. Word has length 92 [2019-10-13 21:22:44,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:44,241 INFO L462 AbstractCegarLoop]: Abstraction has 214 states and 243 transitions. [2019-10-13 21:22:44,241 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:44,241 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 243 transitions. [2019-10-13 21:22:44,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-13 21:22:44,243 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:44,243 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:44,244 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:44,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:44,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1298201662, now seen corresponding path program 1 times [2019-10-13 21:22:44,244 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:44,245 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721223353] [2019-10-13 21:22:44,245 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,245 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,245 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:44,337 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:44,338 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721223353] [2019-10-13 21:22:44,338 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:44,338 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:22:44,338 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123437063] [2019-10-13 21:22:44,339 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:22:44,339 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:44,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:22:44,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:44,340 INFO L87 Difference]: Start difference. First operand 214 states and 243 transitions. Second operand 8 states. [2019-10-13 21:22:44,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:44,386 INFO L93 Difference]: Finished difference Result 407 states and 475 transitions. [2019-10-13 21:22:44,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:22:44,388 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2019-10-13 21:22:44,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:44,391 INFO L225 Difference]: With dead ends: 407 [2019-10-13 21:22:44,391 INFO L226 Difference]: Without dead ends: 221 [2019-10-13 21:22:44,392 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:44,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2019-10-13 21:22:44,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 218. [2019-10-13 21:22:44,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2019-10-13 21:22:44,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 247 transitions. [2019-10-13 21:22:44,419 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 247 transitions. Word has length 92 [2019-10-13 21:22:44,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:44,419 INFO L462 AbstractCegarLoop]: Abstraction has 218 states and 247 transitions. [2019-10-13 21:22:44,419 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:22:44,420 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 247 transitions. [2019-10-13 21:22:44,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-13 21:22:44,421 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:44,421 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:44,422 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:44,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:44,422 INFO L82 PathProgramCache]: Analyzing trace with hash 427279235, now seen corresponding path program 1 times [2019-10-13 21:22:44,422 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:44,423 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374861927] [2019-10-13 21:22:44,423 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,425 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,426 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:44,532 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:44,532 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374861927] [2019-10-13 21:22:44,532 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:44,533 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:22:44,533 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473755678] [2019-10-13 21:22:44,533 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:22:44,534 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:44,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:22:44,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:44,534 INFO L87 Difference]: Start difference. First operand 218 states and 247 transitions. Second operand 4 states. [2019-10-13 21:22:44,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:44,773 INFO L93 Difference]: Finished difference Result 633 states and 754 transitions. [2019-10-13 21:22:44,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:22:44,774 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 92 [2019-10-13 21:22:44,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:44,777 INFO L225 Difference]: With dead ends: 633 [2019-10-13 21:22:44,777 INFO L226 Difference]: Without dead ends: 443 [2019-10-13 21:22:44,778 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:44,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2019-10-13 21:22:44,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 434. [2019-10-13 21:22:44,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2019-10-13 21:22:44,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 506 transitions. [2019-10-13 21:22:44,809 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 506 transitions. Word has length 92 [2019-10-13 21:22:44,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:44,809 INFO L462 AbstractCegarLoop]: Abstraction has 434 states and 506 transitions. [2019-10-13 21:22:44,809 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:22:44,809 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 506 transitions. [2019-10-13 21:22:44,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-10-13 21:22:44,811 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:44,811 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:44,812 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:44,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:44,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1298280163, now seen corresponding path program 1 times [2019-10-13 21:22:44,812 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:44,813 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720916845] [2019-10-13 21:22:44,813 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,813 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:44,972 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:44,973 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720916845] [2019-10-13 21:22:44,973 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:44,973 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:22:44,973 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275248666] [2019-10-13 21:22:44,974 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:22:44,974 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:44,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:22:44,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:22:44,975 INFO L87 Difference]: Start difference. First operand 434 states and 506 transitions. Second operand 9 states. [2019-10-13 21:22:45,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:45,967 INFO L93 Difference]: Finished difference Result 1133 states and 1386 transitions. [2019-10-13 21:22:45,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 21:22:45,968 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2019-10-13 21:22:45,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:45,973 INFO L225 Difference]: With dead ends: 1133 [2019-10-13 21:22:45,974 INFO L226 Difference]: Without dead ends: 795 [2019-10-13 21:22:45,976 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:22:45,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2019-10-13 21:22:46,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 722. [2019-10-13 21:22:46,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2019-10-13 21:22:46,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 832 transitions. [2019-10-13 21:22:46,031 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 832 transitions. Word has length 96 [2019-10-13 21:22:46,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:46,033 INFO L462 AbstractCegarLoop]: Abstraction has 722 states and 832 transitions. [2019-10-13 21:22:46,033 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:22:46,033 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 832 transitions. [2019-10-13 21:22:46,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-13 21:22:46,038 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:46,038 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 21:22:46,039 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:46,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:46,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1033047505, now seen corresponding path program 1 times [2019-10-13 21:22:46,039 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:46,040 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441103232] [2019-10-13 21:22:46,040 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:46,040 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:46,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:46,213 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:22:46,214 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441103232] [2019-10-13 21:22:46,215 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809855553] [2019-10-13 21:22:46,215 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:46,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 911 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 21:22:46,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:46,736 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:46,737 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:47,134 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:22:47,135 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1243858563] [2019-10-13 21:22:47,142 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 156 [2019-10-13 21:22:47,191 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:22:47,191 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:22:47,259 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:22:47,261 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-13 21:22:47,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:47,266 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:22:47,324 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:22:47,324 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:22:47,329 INFO L553 sIntCurrentIteration]: We unified 154 AI predicates to 154 [2019-10-13 21:22:47,329 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:22:47,330 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:22:47,331 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-13 21:22:47,331 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907329810] [2019-10-13 21:22:47,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:47,333 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:47,333 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:22:47,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:47,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:47,334 INFO L87 Difference]: Start difference. First operand 722 states and 832 transitions. Second operand 2 states. [2019-10-13 21:22:47,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:47,344 INFO L93 Difference]: Finished difference Result 722 states and 832 transitions. [2019-10-13 21:22:47,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:47,344 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 155 [2019-10-13 21:22:47,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:47,345 INFO L225 Difference]: With dead ends: 722 [2019-10-13 21:22:47,345 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:22:47,347 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:47,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:22:47,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:22:47,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:22:47,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:22:47,348 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2019-10-13 21:22:47,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:47,348 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:22:47,349 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:47,349 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:22:47,349 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:22:47,555 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:47,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:22:47,895 INFO L443 ceAbstractionStarter]: For program point L670(lines 670 674) no Hoare annotation was computed. [2019-10-13 21:22:47,895 INFO L443 ceAbstractionStarter]: For program point L670-1(lines 670 674) no Hoare annotation was computed. [2019-10-13 21:22:47,895 INFO L443 ceAbstractionStarter]: For program point L665(line 665) no Hoare annotation was computed. [2019-10-13 21:22:47,895 INFO L443 ceAbstractionStarter]: For program point L664-2(lines 664 685) no Hoare annotation was computed. [2019-10-13 21:22:47,895 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 639 694) no Hoare annotation was computed. [2019-10-13 21:22:47,896 INFO L443 ceAbstractionStarter]: For program point L686(lines 663 687) no Hoare annotation was computed. [2019-10-13 21:22:47,896 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 639 694) no Hoare annotation was computed. [2019-10-13 21:22:47,896 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 639 694) no Hoare annotation was computed. [2019-10-13 21:22:47,896 INFO L443 ceAbstractionStarter]: For program point L727(lines 727 731) no Hoare annotation was computed. [2019-10-13 21:22:47,896 INFO L443 ceAbstractionStarter]: For program point L727-1(lines 727 731) no Hoare annotation was computed. [2019-10-13 21:22:47,896 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 695 754) no Hoare annotation was computed. [2019-10-13 21:22:47,896 INFO L443 ceAbstractionStarter]: For program point L722(line 722) no Hoare annotation was computed. [2019-10-13 21:22:47,896 INFO L443 ceAbstractionStarter]: For program point L721-2(lines 721 746) no Hoare annotation was computed. [2019-10-13 21:22:47,897 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 695 754) no Hoare annotation was computed. [2019-10-13 21:22:47,897 INFO L443 ceAbstractionStarter]: For program point L747(lines 720 748) no Hoare annotation was computed. [2019-10-13 21:22:47,897 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 695 754) no Hoare annotation was computed. [2019-10-13 21:22:47,897 INFO L443 ceAbstractionStarter]: For program point L740(line 740) no Hoare annotation was computed. [2019-10-13 21:22:47,897 INFO L443 ceAbstractionStarter]: For program point L740-1(line 740) no Hoare annotation was computed. [2019-10-13 21:22:47,897 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 570 576) the Hoare annotation is: true [2019-10-13 21:22:47,897 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 570 576) no Hoare annotation was computed. [2019-10-13 21:22:47,898 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 577 585) no Hoare annotation was computed. [2019-10-13 21:22:47,898 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 577 585) the Hoare annotation is: true [2019-10-13 21:22:47,898 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 577 585) no Hoare annotation was computed. [2019-10-13 21:22:47,898 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 144 151) the Hoare annotation is: true [2019-10-13 21:22:47,898 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 144 151) no Hoare annotation was computed. [2019-10-13 21:22:47,898 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 144 151) no Hoare annotation was computed. [2019-10-13 21:22:47,898 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 152 161) the Hoare annotation is: true [2019-10-13 21:22:47,898 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-13 21:22:47,899 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 152 161) no Hoare annotation was computed. [2019-10-13 21:22:47,899 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 152 161) no Hoare annotation was computed. [2019-10-13 21:22:47,899 INFO L446 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: true [2019-10-13 21:22:47,899 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 162 190) the Hoare annotation is: true [2019-10-13 21:22:47,899 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 181) no Hoare annotation was computed. [2019-10-13 21:22:47,899 INFO L443 ceAbstractionStarter]: For program point L174(lines 174 184) no Hoare annotation was computed. [2019-10-13 21:22:47,899 INFO L446 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: true [2019-10-13 21:22:47,899 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 162 190) no Hoare annotation was computed. [2019-10-13 21:22:47,900 INFO L443 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2019-10-13 21:22:47,900 INFO L443 ceAbstractionStarter]: For program point L170(lines 170 187) no Hoare annotation was computed. [2019-10-13 21:22:47,900 INFO L443 ceAbstractionStarter]: For program point L170-1(lines 162 190) no Hoare annotation was computed. [2019-10-13 21:22:47,900 INFO L446 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2019-10-13 21:22:47,900 INFO L443 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2019-10-13 21:22:47,900 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 271 293) the Hoare annotation is: true [2019-10-13 21:22:47,900 INFO L446 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: true [2019-10-13 21:22:47,900 INFO L446 ceAbstractionStarter]: At program point L283-1(line 283) the Hoare annotation is: true [2019-10-13 21:22:47,901 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 288) no Hoare annotation was computed. [2019-10-13 21:22:47,901 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 271 293) no Hoare annotation was computed. [2019-10-13 21:22:47,901 INFO L443 ceAbstractionStarter]: For program point L281-1(lines 281 288) no Hoare annotation was computed. [2019-10-13 21:22:47,901 INFO L443 ceAbstractionStarter]: For program point L279(line 279) no Hoare annotation was computed. [2019-10-13 21:22:47,901 INFO L446 ceAbstractionStarter]: At program point L278(line 278) the Hoare annotation is: true [2019-10-13 21:22:47,901 INFO L446 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: true [2019-10-13 21:22:47,901 INFO L446 ceAbstractionStarter]: At program point L277-1(line 277) the Hoare annotation is: true [2019-10-13 21:22:47,901 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 271 293) no Hoare annotation was computed. [2019-10-13 21:22:47,901 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 225 248) no Hoare annotation was computed. [2019-10-13 21:22:47,902 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 225 248) no Hoare annotation was computed. [2019-10-13 21:22:47,902 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 225 248) no Hoare annotation was computed. [2019-10-13 21:22:47,902 INFO L443 ceAbstractionStarter]: For program point L243(line 243) no Hoare annotation was computed. [2019-10-13 21:22:47,902 INFO L443 ceAbstractionStarter]: For program point L242(line 242) no Hoare annotation was computed. [2019-10-13 21:22:47,902 INFO L443 ceAbstractionStarter]: For program point L241(line 241) no Hoare annotation was computed. [2019-10-13 21:22:47,902 INFO L443 ceAbstractionStarter]: For program point L240(line 240) no Hoare annotation was computed. [2019-10-13 21:22:47,902 INFO L443 ceAbstractionStarter]: For program point L239(line 239) no Hoare annotation was computed. [2019-10-13 21:22:47,902 INFO L443 ceAbstractionStarter]: For program point L238(line 238) no Hoare annotation was computed. [2019-10-13 21:22:47,903 INFO L443 ceAbstractionStarter]: For program point L237(line 237) no Hoare annotation was computed. [2019-10-13 21:22:47,903 INFO L443 ceAbstractionStarter]: For program point L236(line 236) no Hoare annotation was computed. [2019-10-13 21:22:47,903 INFO L443 ceAbstractionStarter]: For program point L235(line 235) no Hoare annotation was computed. [2019-10-13 21:22:47,903 INFO L443 ceAbstractionStarter]: For program point L234(line 234) no Hoare annotation was computed. [2019-10-13 21:22:47,903 INFO L443 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2019-10-13 21:22:47,903 INFO L443 ceAbstractionStarter]: For program point L232(line 232) no Hoare annotation was computed. [2019-10-13 21:22:47,903 INFO L443 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2019-10-13 21:22:47,903 INFO L443 ceAbstractionStarter]: For program point L230(line 230) no Hoare annotation was computed. [2019-10-13 21:22:47,904 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 422 430) no Hoare annotation was computed. [2019-10-13 21:22:47,904 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 422 430) the Hoare annotation is: true [2019-10-13 21:22:47,904 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 422 430) no Hoare annotation was computed. [2019-10-13 21:22:47,904 INFO L443 ceAbstractionStarter]: For program point L450-2(lines 450 458) no Hoare annotation was computed. [2019-10-13 21:22:47,904 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 446) no Hoare annotation was computed. [2019-10-13 21:22:47,904 INFO L443 ceAbstractionStarter]: For program point L438-2(lines 438 446) no Hoare annotation was computed. [2019-10-13 21:22:47,904 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 431 466) no Hoare annotation was computed. [2019-10-13 21:22:47,904 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-13 21:22:47,905 INFO L443 ceAbstractionStarter]: For program point L461-1(line 461) no Hoare annotation was computed. [2019-10-13 21:22:47,905 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 431 466) no Hoare annotation was computed. [2019-10-13 21:22:47,905 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 431 466) no Hoare annotation was computed. [2019-10-13 21:22:47,905 INFO L443 ceAbstractionStarter]: For program point L450(lines 450 458) no Hoare annotation was computed. [2019-10-13 21:22:47,905 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 563 569) no Hoare annotation was computed. [2019-10-13 21:22:47,905 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 563 569) the Hoare annotation is: true [2019-10-13 21:22:47,905 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 593 638) no Hoare annotation was computed. [2019-10-13 21:22:47,905 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 593 638) no Hoare annotation was computed. [2019-10-13 21:22:47,906 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 593 638) no Hoare annotation was computed. [2019-10-13 21:22:47,906 INFO L443 ceAbstractionStarter]: For program point L926(lines 926 933) no Hoare annotation was computed. [2019-10-13 21:22:47,906 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 906 951) no Hoare annotation was computed. [2019-10-13 21:22:47,906 INFO L443 ceAbstractionStarter]: For program point L920(lines 920 940) no Hoare annotation was computed. [2019-10-13 21:22:47,906 INFO L443 ceAbstractionStarter]: For program point L920-1(lines 920 940) no Hoare annotation was computed. [2019-10-13 21:22:47,906 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 906 951) no Hoare annotation was computed. [2019-10-13 21:22:47,906 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 906 951) no Hoare annotation was computed. [2019-10-13 21:22:47,906 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 257 267) the Hoare annotation is: true [2019-10-13 21:22:47,906 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 257 267) no Hoare annotation was computed. [2019-10-13 21:22:47,907 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 257 267) no Hoare annotation was computed. [2019-10-13 21:22:47,907 INFO L446 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: true [2019-10-13 21:22:47,907 INFO L446 ceAbstractionStarter]: At program point L416(line 416) the Hoare annotation is: true [2019-10-13 21:22:47,907 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 411 421) the Hoare annotation is: true [2019-10-13 21:22:47,907 INFO L443 ceAbstractionStarter]: For program point L416-1(line 416) no Hoare annotation was computed. [2019-10-13 21:22:47,907 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 411 421) no Hoare annotation was computed. [2019-10-13 21:22:47,907 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 411 421) no Hoare annotation was computed. [2019-10-13 21:22:47,907 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 403 410) the Hoare annotation is: true [2019-10-13 21:22:47,908 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 403 410) no Hoare annotation was computed. [2019-10-13 21:22:47,908 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 403 410) no Hoare annotation was computed. [2019-10-13 21:22:47,908 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2019-10-13 21:22:47,908 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2019-10-13 21:22:47,908 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-10-13 21:22:47,908 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2019-10-13 21:22:47,908 INFO L446 ceAbstractionStarter]: At program point L384(line 384) the Hoare annotation is: true [2019-10-13 21:22:47,908 INFO L446 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: true [2019-10-13 21:22:47,909 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 386) no Hoare annotation was computed. [2019-10-13 21:22:47,909 INFO L446 ceAbstractionStarter]: At program point L376(line 376) the Hoare annotation is: true [2019-10-13 21:22:47,909 INFO L443 ceAbstractionStarter]: For program point L376-1(line 376) no Hoare annotation was computed. [2019-10-13 21:22:47,909 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 370 394) no Hoare annotation was computed. [2019-10-13 21:22:47,909 INFO L443 ceAbstractionStarter]: For program point L374(lines 374 391) no Hoare annotation was computed. [2019-10-13 21:22:47,909 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 370 394) the Hoare annotation is: true [2019-10-13 21:22:47,909 INFO L446 ceAbstractionStarter]: At program point L389(line 389) the Hoare annotation is: true [2019-10-13 21:22:47,909 INFO L443 ceAbstractionStarter]: For program point L389-1(lines 370 394) no Hoare annotation was computed. [2019-10-13 21:22:47,910 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 336 342) no Hoare annotation was computed. [2019-10-13 21:22:47,910 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 336 342) the Hoare annotation is: true [2019-10-13 21:22:47,910 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 487 550) the Hoare annotation is: true [2019-10-13 21:22:47,910 INFO L446 ceAbstractionStarter]: At program point L543(lines 496 544) the Hoare annotation is: true [2019-10-13 21:22:47,910 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 487 550) no Hoare annotation was computed. [2019-10-13 21:22:47,910 INFO L443 ceAbstractionStarter]: For program point L533(lines 533 537) no Hoare annotation was computed. [2019-10-13 21:22:47,910 INFO L446 ceAbstractionStarter]: At program point L533-2(lines 527 538) the Hoare annotation is: true [2019-10-13 21:22:47,911 INFO L443 ceAbstractionStarter]: For program point L498(lines 497 542) no Hoare annotation was computed. [2019-10-13 21:22:47,911 INFO L443 ceAbstractionStarter]: For program point L527(lines 527 538) no Hoare annotation was computed. [2019-10-13 21:22:47,911 INFO L446 ceAbstractionStarter]: At program point L519(line 519) the Hoare annotation is: true [2019-10-13 21:22:47,911 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 523) no Hoare annotation was computed. [2019-10-13 21:22:47,911 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 517 523) no Hoare annotation was computed. [2019-10-13 21:22:47,911 INFO L446 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: true [2019-10-13 21:22:47,911 INFO L446 ceAbstractionStarter]: At program point L540(lines 497 542) the Hoare annotation is: true [2019-10-13 21:22:47,912 INFO L443 ceAbstractionStarter]: For program point L507(lines 507 513) no Hoare annotation was computed. [2019-10-13 21:22:47,912 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2019-10-13 21:22:47,912 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 503) no Hoare annotation was computed. [2019-10-13 21:22:47,912 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 487 550) no Hoare annotation was computed. [2019-10-13 21:22:47,912 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 860 905) no Hoare annotation was computed. [2019-10-13 21:22:47,912 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 860 905) no Hoare annotation was computed. [2019-10-13 21:22:47,912 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 860 905) no Hoare annotation was computed. [2019-10-13 21:22:47,912 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 887) no Hoare annotation was computed. [2019-10-13 21:22:47,913 INFO L443 ceAbstractionStarter]: For program point L874(lines 874 894) no Hoare annotation was computed. [2019-10-13 21:22:47,913 INFO L443 ceAbstractionStarter]: For program point L874-1(lines 874 894) no Hoare annotation was computed. [2019-10-13 21:22:47,913 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-10-13 21:22:47,913 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 110) no Hoare annotation was computed. [2019-10-13 21:22:47,913 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-10-13 21:22:47,913 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2019-10-13 21:22:47,913 INFO L443 ceAbstractionStarter]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2019-10-13 21:22:47,914 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 553 562) no Hoare annotation was computed. [2019-10-13 21:22:47,914 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 553 562) no Hoare annotation was computed. [2019-10-13 21:22:47,914 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 553 562) no Hoare annotation was computed. [2019-10-13 21:22:47,914 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 757 859) no Hoare annotation was computed. [2019-10-13 21:22:47,914 INFO L443 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2019-10-13 21:22:47,914 INFO L443 ceAbstractionStarter]: For program point L822-1(line 822) no Hoare annotation was computed. [2019-10-13 21:22:47,914 INFO L443 ceAbstractionStarter]: For program point L781(lines 781 785) no Hoare annotation was computed. [2019-10-13 21:22:47,914 INFO L443 ceAbstractionStarter]: For program point L845(lines 845 856) no Hoare annotation was computed. [2019-10-13 21:22:47,914 INFO L443 ceAbstractionStarter]: For program point L808(lines 808 812) no Hoare annotation was computed. [2019-10-13 21:22:47,915 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 757 859) no Hoare annotation was computed. [2019-10-13 21:22:47,915 INFO L443 ceAbstractionStarter]: For program point L806-2(lines 806 826) no Hoare annotation was computed. [2019-10-13 21:22:47,915 INFO L443 ceAbstractionStarter]: For program point L827(lines 805 828) no Hoare annotation was computed. [2019-10-13 21:22:47,915 INFO L443 ceAbstractionStarter]: For program point L786(lines 786 802) no Hoare annotation was computed. [2019-10-13 21:22:47,915 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 757 859) no Hoare annotation was computed. [2019-10-13 21:22:47,915 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 853) no Hoare annotation was computed. [2019-10-13 21:22:47,915 INFO L443 ceAbstractionStarter]: For program point L807(lines 806 826) no Hoare annotation was computed. [2019-10-13 21:22:47,915 INFO L443 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2019-10-13 21:22:47,915 INFO L443 ceAbstractionStarter]: For program point L838-1(line 838) no Hoare annotation was computed. [2019-10-13 21:22:47,916 INFO L443 ceAbstractionStarter]: For program point L803(lines 803 844) no Hoare annotation was computed. [2019-10-13 21:22:47,916 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:47,916 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-13 21:22:47,916 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:47,916 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 395 402) no Hoare annotation was computed. [2019-10-13 21:22:47,916 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 395 402) no Hoare annotation was computed. [2019-10-13 21:22:47,916 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 395 402) the Hoare annotation is: true [2019-10-13 21:22:47,917 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2019-10-13 21:22:47,917 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2019-10-13 21:22:47,917 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-10-13 21:22:47,917 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 467 485) no Hoare annotation was computed. [2019-10-13 21:22:47,917 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 480) no Hoare annotation was computed. [2019-10-13 21:22:47,917 INFO L446 ceAbstractionStarter]: At program point L474(line 474) the Hoare annotation is: true [2019-10-13 21:22:47,917 INFO L443 ceAbstractionStarter]: For program point L476-2(lines 476 480) no Hoare annotation was computed. [2019-10-13 21:22:47,917 INFO L443 ceAbstractionStarter]: For program point L474-1(line 474) no Hoare annotation was computed. [2019-10-13 21:22:47,918 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 467 485) the Hoare annotation is: true [2019-10-13 21:22:47,918 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 467 485) no Hoare annotation was computed. [2019-10-13 21:22:47,918 INFO L443 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2019-10-13 21:22:47,918 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2019-10-13 21:22:47,918 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-10-13 21:22:47,918 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:47,918 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:22:47,918 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:47,919 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-10-13 21:22:47,919 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2019-10-13 21:22:47,919 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-10-13 21:22:47,919 INFO L446 ceAbstractionStarter]: At program point L318(line 318) the Hoare annotation is: true [2019-10-13 21:22:47,919 INFO L443 ceAbstractionStarter]: For program point L316(lines 312 334) no Hoare annotation was computed. [2019-10-13 21:22:47,919 INFO L443 ceAbstractionStarter]: For program point L314(lines 312 334) no Hoare annotation was computed. [2019-10-13 21:22:47,919 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 309 335) the Hoare annotation is: true [2019-10-13 21:22:47,919 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 309 335) no Hoare annotation was computed. [2019-10-13 21:22:47,920 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 309 335) no Hoare annotation was computed. [2019-10-13 21:22:47,920 INFO L446 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: true [2019-10-13 21:22:47,920 INFO L446 ceAbstractionStarter]: At program point L323(lines 323 329) the Hoare annotation is: true [2019-10-13 21:22:47,920 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 194 223) no Hoare annotation was computed. [2019-10-13 21:22:47,920 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 194 223) the Hoare annotation is: true [2019-10-13 21:22:47,920 INFO L446 ceAbstractionStarter]: At program point L219(lines 194 223) the Hoare annotation is: true [2019-10-13 21:22:47,920 INFO L443 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2019-10-13 21:22:47,920 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 212) no Hoare annotation was computed. [2019-10-13 21:22:47,921 INFO L446 ceAbstractionStarter]: At program point L208-1(lines 208 212) the Hoare annotation is: true [2019-10-13 21:22:47,921 INFO L443 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2019-10-13 21:22:47,921 INFO L446 ceAbstractionStarter]: At program point L204-2(lines 204 218) the Hoare annotation is: true [2019-10-13 21:22:47,921 INFO L446 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: true [2019-10-13 21:22:47,921 INFO L443 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2019-10-13 21:22:47,921 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2019-10-13 21:22:47,921 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-10-13 21:22:47,921 INFO L443 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2019-10-13 21:22:47,922 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 249 255) no Hoare annotation was computed. [2019-10-13 21:22:47,922 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 249 255) the Hoare annotation is: true [2019-10-13 21:22:47,922 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:47,922 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:22:47,922 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:47,922 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:47,922 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 344 368) the Hoare annotation is: true [2019-10-13 21:22:47,923 INFO L443 ceAbstractionStarter]: For program point L352(lines 352 360) no Hoare annotation was computed. [2019-10-13 21:22:47,923 INFO L446 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: true [2019-10-13 21:22:47,923 INFO L443 ceAbstractionStarter]: For program point L350-1(line 350) no Hoare annotation was computed. [2019-10-13 21:22:47,923 INFO L443 ceAbstractionStarter]: For program point L348(lines 348 365) no Hoare annotation was computed. [2019-10-13 21:22:47,923 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 344 368) no Hoare annotation was computed. [2019-10-13 21:22:47,923 INFO L446 ceAbstractionStarter]: At program point L363(line 363) the Hoare annotation is: true [2019-10-13 21:22:47,923 INFO L443 ceAbstractionStarter]: For program point L363-1(lines 344 368) no Hoare annotation was computed. [2019-10-13 21:22:47,923 INFO L446 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: true [2019-10-13 21:22:47,924 INFO L446 ceAbstractionStarter]: At program point L354(line 354) the Hoare annotation is: true [2019-10-13 21:22:47,924 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2019-10-13 21:22:47,924 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-10-13 21:22:47,924 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2019-10-13 21:22:47,924 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 295 302) no Hoare annotation was computed. [2019-10-13 21:22:47,924 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 299) no Hoare annotation was computed. [2019-10-13 21:22:47,924 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 295 302) the Hoare annotation is: true [2019-10-13 21:22:47,925 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 295 302) no Hoare annotation was computed. [2019-10-13 21:22:47,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:22:47 BoogieIcfgContainer [2019-10-13 21:22:47,933 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:22:47,936 INFO L168 Benchmark]: Toolchain (without parser) took 8813.37 ms. Allocated memory was 144.7 MB in the beginning and 320.9 MB in the end (delta: 176.2 MB). Free memory was 101.7 MB in the beginning and 235.5 MB in the end (delta: -133.8 MB). Peak memory consumption was 193.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:47,937 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 21:22:47,938 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.43 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 101.5 MB in the beginning and 171.0 MB in the end (delta: -69.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:47,944 INFO L168 Benchmark]: Boogie Preprocessor took 119.02 ms. Allocated memory is still 202.9 MB. Free memory was 171.0 MB in the beginning and 166.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:47,945 INFO L168 Benchmark]: RCFGBuilder took 1181.62 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 166.7 MB in the beginning and 198.5 MB in the end (delta: -31.8 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:47,946 INFO L168 Benchmark]: TraceAbstraction took 6811.67 ms. Allocated memory was 234.9 MB in the beginning and 320.9 MB in the end (delta: 86.0 MB). Free memory was 198.5 MB in the beginning and 235.5 MB in the end (delta: -37.0 MB). Peak memory consumption was 200.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:47,957 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 696.43 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 101.5 MB in the beginning and 171.0 MB in the end (delta: -69.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.02 ms. Allocated memory is still 202.9 MB. Free memory was 171.0 MB in the beginning and 166.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1181.62 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 166.7 MB in the beginning and 198.5 MB in the end (delta: -31.8 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6811.67 ms. Allocated memory was 234.9 MB in the beginning and 320.9 MB in the end (delta: 86.0 MB). Free memory was 198.5 MB in the beginning and 235.5 MB in the end (delta: -37.0 MB). Peak memory consumption was 200.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 299]: 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: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 235 locations, 1 error locations. Result: SAFE, OverallTime: 6.7s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 1498 SDtfs, 1031 SDslu, 2643 SDs, 0 SdLazy, 1541 SolverSat, 371 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 201 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=722occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 121 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 880 PreInvPairs, 881 NumberOfFragments, 71 HoareAnnotationTreeSize, 880 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 61 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1033 NumberOfCodeBlocks, 1033 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1176 ConstructedInterpolants, 0 QuantifiedInterpolants, 227000 SizeOfPredicates, 4 NumberOfNonLiveVariables, 911 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 124/153 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 125, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8311688311688312, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...