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_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:22:04,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:22:04,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:22:04,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:22:04,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:22:04,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:22:04,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:22:04,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:22:04,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:22:04,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:22:04,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:22:04,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:22:04,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:22:04,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:22:04,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:22:04,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:22:04,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:22:04,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:22:04,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:22:04,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:22:04,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:22:04,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:22:04,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:22:04,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:22:04,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:22:04,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:22:04,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:22:04,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:22:04,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:22:04,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:22:04,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:22:04,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:22:04,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:22:04,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:22:04,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:22:04,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:22:04,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:22:04,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:22:04,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:22:04,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:22:04,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:22:04,855 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 [2019-10-15 01:22:04,879 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:22:04,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:22:04,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:22:04,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:22:04,881 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:22:04,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:22:04,881 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:22:04,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:22:04,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:22:04,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:22:04,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:22:04,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:22:04,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:22:04,882 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:22:04,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:22:04,883 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:22:04,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:22:04,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:22:04,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:22:04,884 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:22:04,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:22:04,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:22:04,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:22:04,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:22:04,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:22:04,885 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:22:04,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:22:04,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:22:04,886 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 [2019-10-15 01:22:05,161 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:22:05,174 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:22:05,178 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:22:05,179 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:22:05,180 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:22:05,181 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c [2019-10-15 01:22:05,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3298d6a96/5ce6f058c43649c58540f3acbeff3edd/FLAG0f8744ba2 [2019-10-15 01:22:05,788 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:22:05,789 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c [2019-10-15 01:22:05,805 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3298d6a96/5ce6f058c43649c58540f3acbeff3edd/FLAG0f8744ba2 [2019-10-15 01:22:06,092 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3298d6a96/5ce6f058c43649c58540f3acbeff3edd [2019-10-15 01:22:06,103 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:22:06,105 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:22:06,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:22:06,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:22:06,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:22:06,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:22:06" (1/1) ... [2019-10-15 01:22:06,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@453c3fe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:06, skipping insertion in model container [2019-10-15 01:22:06,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:22:06" (1/1) ... [2019-10-15 01:22:06,123 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:22:06,193 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:22:06,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:22:06,718 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:22:06,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:22:06,838 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:22:06,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:06 WrapperNode [2019-10-15 01:22:06,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:22:06,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:22:06,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:22:06,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:22:06,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:06" (1/1) ... [2019-10-15 01:22:06,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:06" (1/1) ... [2019-10-15 01:22:06,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:06" (1/1) ... [2019-10-15 01:22:06,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:06" (1/1) ... [2019-10-15 01:22:06,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:06" (1/1) ... [2019-10-15 01:22:06,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:06" (1/1) ... [2019-10-15 01:22:06,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:06" (1/1) ... [2019-10-15 01:22:06,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:22:06,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:22:06,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:22:06,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:22:06,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:06" (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 [2019-10-15 01:22:07,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:22:07,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:22:07,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:22:07,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:22:07,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:22:07,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:22:07,011 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:22:07,011 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:22:07,012 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:22:07,012 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:22:07,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:22:07,012 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:22:07,012 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:22:07,012 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:22:07,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:22:07,013 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:22:07,013 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:22:07,013 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:22:07,013 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:22:07,014 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:22:07,014 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:22:07,014 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:22:07,014 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:22:07,014 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:22:07,014 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:22:07,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:22:07,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:22:07,015 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:22:07,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:22:07,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:22:07,016 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 01:22:07,016 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:22:07,016 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:22:07,016 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:22:07,016 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:22:07,016 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:22:07,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:22:07,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:22:07,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:22:07,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:22:07,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:22:07,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:22:07,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:22:07,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:22:07,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:22:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:22:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:22:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:22:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:22:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:22:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:22:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:22:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:22:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:22:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:22:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:22:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:22:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:22:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:22:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:22:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 01:22:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:22:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:22:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:22:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:22:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:22:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:22:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:22:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:22:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:22:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:22:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:22:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:22:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:22:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:22:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:22:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:22:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:22:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:22:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:22:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:22:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:22:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:22:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:22:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:22:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:22:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:22:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:22:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:22:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:22:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:22:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:22:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:22:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:22:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:22:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:22:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:22:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:22:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:22:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:22:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:22:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:22:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:22:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:22:08,190 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:22:08,196 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:22:08,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:22:08 BoogieIcfgContainer [2019-10-15 01:22:08,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:22:08,199 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:22:08,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:22:08,203 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:22:08,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:22:06" (1/3) ... [2019-10-15 01:22:08,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a49df2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:22:08, skipping insertion in model container [2019-10-15 01:22:08,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:22:06" (2/3) ... [2019-10-15 01:22:08,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a49df2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:22:08, skipping insertion in model container [2019-10-15 01:22:08,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:22:08" (3/3) ... [2019-10-15 01:22:08,209 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product63.cil.c [2019-10-15 01:22:08,221 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:22:08,233 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:22:08,247 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:22:08,285 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:22:08,285 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:22:08,285 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:22:08,286 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:22:08,287 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:22:08,288 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:22:08,288 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:22:08,288 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:22:08,313 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states. [2019-10-15 01:22:08,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-15 01:22:08,324 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:08,325 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] [2019-10-15 01:22:08,327 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:08,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:08,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1893311162, now seen corresponding path program 1 times [2019-10-15 01:22:08,344 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:08,344 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494761327] [2019-10-15 01:22:08,345 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:08,345 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:08,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:08,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:22:08,668 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494761327] [2019-10-15 01:22:08,669 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:08,670 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:22:08,670 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605028310] [2019-10-15 01:22:08,675 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:22:08,677 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:08,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:22:08,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:22:08,694 INFO L87 Difference]: Start difference. First operand 212 states. Second operand 2 states. [2019-10-15 01:22:08,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:08,741 INFO L93 Difference]: Finished difference Result 334 states and 415 transitions. [2019-10-15 01:22:08,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:22:08,742 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-15 01:22:08,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:08,756 INFO L225 Difference]: With dead ends: 334 [2019-10-15 01:22:08,757 INFO L226 Difference]: Without dead ends: 169 [2019-10-15 01:22:08,762 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 [2019-10-15 01:22:08,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-10-15 01:22:08,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2019-10-15 01:22:08,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2019-10-15 01:22:08,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 201 transitions. [2019-10-15 01:22:08,824 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 201 transitions. Word has length 59 [2019-10-15 01:22:08,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:08,825 INFO L462 AbstractCegarLoop]: Abstraction has 169 states and 201 transitions. [2019-10-15 01:22:08,825 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:22:08,825 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 201 transitions. [2019-10-15 01:22:08,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-15 01:22:08,829 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:08,829 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] [2019-10-15 01:22:08,830 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:08,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:08,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1978801715, now seen corresponding path program 1 times [2019-10-15 01:22:08,830 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:08,831 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451599674] [2019-10-15 01:22:08,831 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:08,831 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:08,831 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:08,988 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:22:08,989 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451599674] [2019-10-15 01:22:08,989 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:08,989 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:22:08,989 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861980019] [2019-10-15 01:22:08,992 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:22:08,992 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:08,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:22:08,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:22:08,993 INFO L87 Difference]: Start difference. First operand 169 states and 201 transitions. Second operand 3 states. [2019-10-15 01:22:09,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:09,049 INFO L93 Difference]: Finished difference Result 277 states and 329 transitions. [2019-10-15 01:22:09,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:22:09,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-15 01:22:09,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:09,055 INFO L225 Difference]: With dead ends: 277 [2019-10-15 01:22:09,055 INFO L226 Difference]: Without dead ends: 160 [2019-10-15 01:22:09,061 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 [2019-10-15 01:22:09,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-10-15 01:22:09,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2019-10-15 01:22:09,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-10-15 01:22:09,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 189 transitions. [2019-10-15 01:22:09,097 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 189 transitions. Word has length 60 [2019-10-15 01:22:09,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:09,098 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 189 transitions. [2019-10-15 01:22:09,098 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:22:09,098 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 189 transitions. [2019-10-15 01:22:09,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-15 01:22:09,107 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:09,107 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] [2019-10-15 01:22:09,108 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:09,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:09,109 INFO L82 PathProgramCache]: Analyzing trace with hash -532508270, now seen corresponding path program 1 times [2019-10-15 01:22:09,110 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:09,110 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055630966] [2019-10-15 01:22:09,110 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:09,110 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:09,111 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:09,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:22:09,309 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055630966] [2019-10-15 01:22:09,309 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:09,309 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:22:09,310 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384121214] [2019-10-15 01:22:09,310 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:22:09,311 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:09,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:22:09,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:22:09,311 INFO L87 Difference]: Start difference. First operand 160 states and 189 transitions. Second operand 7 states. [2019-10-15 01:22:10,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:10,005 INFO L93 Difference]: Finished difference Result 480 states and 585 transitions. [2019-10-15 01:22:10,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:22:10,005 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-10-15 01:22:10,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:10,012 INFO L225 Difference]: With dead ends: 480 [2019-10-15 01:22:10,013 INFO L226 Difference]: Without dead ends: 348 [2019-10-15 01:22:10,018 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:22:10,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2019-10-15 01:22:10,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 340. [2019-10-15 01:22:10,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2019-10-15 01:22:10,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 414 transitions. [2019-10-15 01:22:10,096 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 414 transitions. Word has length 64 [2019-10-15 01:22:10,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:10,098 INFO L462 AbstractCegarLoop]: Abstraction has 340 states and 414 transitions. [2019-10-15 01:22:10,099 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:22:10,099 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 414 transitions. [2019-10-15 01:22:10,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-15 01:22:10,107 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:10,108 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] [2019-10-15 01:22:10,108 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:10,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:10,109 INFO L82 PathProgramCache]: Analyzing trace with hash 216340368, now seen corresponding path program 1 times [2019-10-15 01:22:10,110 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:10,110 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895847179] [2019-10-15 01:22:10,110 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:10,110 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:10,110 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:10,258 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:22:10,259 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895847179] [2019-10-15 01:22:10,259 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:10,259 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:22:10,259 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105903239] [2019-10-15 01:22:10,260 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:22:10,260 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:10,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:22:10,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:22:10,261 INFO L87 Difference]: Start difference. First operand 340 states and 414 transitions. Second operand 7 states. [2019-10-15 01:22:11,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:11,111 INFO L93 Difference]: Finished difference Result 867 states and 1120 transitions. [2019-10-15 01:22:11,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:22:11,111 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-10-15 01:22:11,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:11,116 INFO L225 Difference]: With dead ends: 867 [2019-10-15 01:22:11,116 INFO L226 Difference]: Without dead ends: 555 [2019-10-15 01:22:11,118 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:22:11,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2019-10-15 01:22:11,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 502. [2019-10-15 01:22:11,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2019-10-15 01:22:11,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 601 transitions. [2019-10-15 01:22:11,172 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 601 transitions. Word has length 70 [2019-10-15 01:22:11,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:11,173 INFO L462 AbstractCegarLoop]: Abstraction has 502 states and 601 transitions. [2019-10-15 01:22:11,173 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:22:11,173 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 601 transitions. [2019-10-15 01:22:11,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-15 01:22:11,179 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:11,179 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:11,179 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:11,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:11,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1357993179, now seen corresponding path program 1 times [2019-10-15 01:22:11,180 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:11,181 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819434253] [2019-10-15 01:22:11,181 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:11,181 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:11,181 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:11,337 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:22:11,338 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819434253] [2019-10-15 01:22:11,338 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:11,338 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:22:11,339 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122989890] [2019-10-15 01:22:11,340 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:22:11,340 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:11,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:22:11,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:22:11,342 INFO L87 Difference]: Start difference. First operand 502 states and 601 transitions. Second operand 6 states. [2019-10-15 01:22:11,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:11,396 INFO L93 Difference]: Finished difference Result 990 states and 1226 transitions. [2019-10-15 01:22:11,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:22:11,397 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2019-10-15 01:22:11,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:11,401 INFO L225 Difference]: With dead ends: 990 [2019-10-15 01:22:11,401 INFO L226 Difference]: Without dead ends: 516 [2019-10-15 01:22:11,403 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 [2019-10-15 01:22:11,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2019-10-15 01:22:11,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 512. [2019-10-15 01:22:11,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2019-10-15 01:22:11,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 611 transitions. [2019-10-15 01:22:11,437 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 611 transitions. Word has length 112 [2019-10-15 01:22:11,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:11,438 INFO L462 AbstractCegarLoop]: Abstraction has 512 states and 611 transitions. [2019-10-15 01:22:11,438 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:22:11,438 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 611 transitions. [2019-10-15 01:22:11,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-15 01:22:11,441 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:11,441 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:11,441 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:11,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:11,442 INFO L82 PathProgramCache]: Analyzing trace with hash 581168867, now seen corresponding path program 1 times [2019-10-15 01:22:11,442 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:11,442 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645866297] [2019-10-15 01:22:11,442 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:11,443 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:11,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:11,567 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:22:11,568 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645866297] [2019-10-15 01:22:11,569 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:11,569 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:22:11,569 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622256469] [2019-10-15 01:22:11,570 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:22:11,570 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:11,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:22:11,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:22:11,571 INFO L87 Difference]: Start difference. First operand 512 states and 611 transitions. Second operand 8 states. [2019-10-15 01:22:11,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:11,623 INFO L93 Difference]: Finished difference Result 1010 states and 1246 transitions. [2019-10-15 01:22:11,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:22:11,624 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 112 [2019-10-15 01:22:11,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:11,629 INFO L225 Difference]: With dead ends: 1010 [2019-10-15 01:22:11,629 INFO L226 Difference]: Without dead ends: 526 [2019-10-15 01:22:11,631 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 [2019-10-15 01:22:11,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2019-10-15 01:22:11,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 520. [2019-10-15 01:22:11,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2019-10-15 01:22:11,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 619 transitions. [2019-10-15 01:22:11,668 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 619 transitions. Word has length 112 [2019-10-15 01:22:11,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:11,669 INFO L462 AbstractCegarLoop]: Abstraction has 520 states and 619 transitions. [2019-10-15 01:22:11,669 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:22:11,669 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 619 transitions. [2019-10-15 01:22:11,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-15 01:22:11,671 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:11,671 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:11,672 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:11,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:11,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1350338882, now seen corresponding path program 1 times [2019-10-15 01:22:11,672 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:11,673 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940846421] [2019-10-15 01:22:11,673 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:11,673 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:11,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:11,768 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:22:11,769 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940846421] [2019-10-15 01:22:11,769 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:11,769 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:22:11,769 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018229814] [2019-10-15 01:22:11,770 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:22:11,770 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:11,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:22:11,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:22:11,771 INFO L87 Difference]: Start difference. First operand 520 states and 619 transitions. Second operand 4 states. [2019-10-15 01:22:12,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:12,026 INFO L93 Difference]: Finished difference Result 1618 states and 2020 transitions. [2019-10-15 01:22:12,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:22:12,027 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 112 [2019-10-15 01:22:12,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:12,034 INFO L225 Difference]: With dead ends: 1618 [2019-10-15 01:22:12,034 INFO L226 Difference]: Without dead ends: 1126 [2019-10-15 01:22:12,036 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:22:12,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2019-10-15 01:22:12,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 1109. [2019-10-15 01:22:12,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1109 states. [2019-10-15 01:22:12,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 1109 states and 1360 transitions. [2019-10-15 01:22:12,116 INFO L78 Accepts]: Start accepts. Automaton has 1109 states and 1360 transitions. Word has length 112 [2019-10-15 01:22:12,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:12,116 INFO L462 AbstractCegarLoop]: Abstraction has 1109 states and 1360 transitions. [2019-10-15 01:22:12,118 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:22:12,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1360 transitions. [2019-10-15 01:22:12,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-10-15 01:22:12,124 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:12,124 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:12,125 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:12,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:12,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1975342852, now seen corresponding path program 1 times [2019-10-15 01:22:12,125 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:12,126 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343812651] [2019-10-15 01:22:12,126 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:12,126 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:12,126 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:12,339 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:22:12,340 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343812651] [2019-10-15 01:22:12,340 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:22:12,341 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 01:22:12,341 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332090845] [2019-10-15 01:22:12,341 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:22:12,342 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:12,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:22:12,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:22:12,343 INFO L87 Difference]: Start difference. First operand 1109 states and 1360 transitions. Second operand 9 states. [2019-10-15 01:22:13,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:13,798 INFO L93 Difference]: Finished difference Result 3024 states and 3876 transitions. [2019-10-15 01:22:13,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-15 01:22:13,798 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 116 [2019-10-15 01:22:13,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:13,811 INFO L225 Difference]: With dead ends: 3024 [2019-10-15 01:22:13,811 INFO L226 Difference]: Without dead ends: 2135 [2019-10-15 01:22:13,818 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 [2019-10-15 01:22:13,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2135 states. [2019-10-15 01:22:13,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2135 to 1904. [2019-10-15 01:22:13,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1904 states. [2019-10-15 01:22:13,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1904 states to 1904 states and 2295 transitions. [2019-10-15 01:22:13,961 INFO L78 Accepts]: Start accepts. Automaton has 1904 states and 2295 transitions. Word has length 116 [2019-10-15 01:22:13,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:13,962 INFO L462 AbstractCegarLoop]: Abstraction has 1904 states and 2295 transitions. [2019-10-15 01:22:13,963 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:22:13,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1904 states and 2295 transitions. [2019-10-15 01:22:13,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-15 01:22:13,968 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:22:13,968 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:22:13,969 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:22:13,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:13,969 INFO L82 PathProgramCache]: Analyzing trace with hash -283315442, now seen corresponding path program 1 times [2019-10-15 01:22:13,969 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:22:13,969 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992148093] [2019-10-15 01:22:13,970 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:13,970 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:22:13,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:22:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:14,214 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-15 01:22:14,214 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992148093] [2019-10-15 01:22:14,216 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635319456] [2019-10-15 01:22:14,216 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 [2019-10-15 01:22:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:22:14,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 1013 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-15 01:22:14,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:22:14,754 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 37 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:22:14,754 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:22:15,306 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-15 01:22:15,307 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1695785976] [2019-10-15 01:22:15,314 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 194 [2019-10-15 01:22:15,378 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:22:15,378 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:22:15,477 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:22:15,479 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 71 root evaluator evaluations with a maximum evaluation depth of 0. Performed 71 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-15 01:22:15,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:22:15,484 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:22:15,543 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-15 01:22:15,543 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:22:15,548 INFO L553 sIntCurrentIteration]: We unified 192 AI predicates to 192 [2019-10-15 01:22:15,548 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:22:15,549 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:22:15,549 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-15 01:22:15,549 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842807021] [2019-10-15 01:22:15,550 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:22:15,551 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:22:15,551 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:22:15,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:22:15,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:22:15,551 INFO L87 Difference]: Start difference. First operand 1904 states and 2295 transitions. Second operand 2 states. [2019-10-15 01:22:15,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:22:15,572 INFO L93 Difference]: Finished difference Result 1904 states and 2295 transitions. [2019-10-15 01:22:15,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:22:15,573 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 193 [2019-10-15 01:22:15,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:22:15,573 INFO L225 Difference]: With dead ends: 1904 [2019-10-15 01:22:15,574 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:22:15,578 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:22:15,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:22:15,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:22:15,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:22:15,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:22:15,579 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 193 [2019-10-15 01:22:15,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:22:15,579 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:22:15,579 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:22:15,579 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:22:15,579 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:22:15,785 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:22:15,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:22:16,262 INFO L443 ceAbstractionStarter]: For program point L760(lines 760 764) no Hoare annotation was computed. [2019-10-15 01:22:16,262 INFO L443 ceAbstractionStarter]: For program point L760-1(lines 760 764) no Hoare annotation was computed. [2019-10-15 01:22:16,262 INFO L443 ceAbstractionStarter]: For program point L755(line 755) no Hoare annotation was computed. [2019-10-15 01:22:16,262 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 729 784) no Hoare annotation was computed. [2019-10-15 01:22:16,262 INFO L443 ceAbstractionStarter]: For program point L754-2(lines 754 775) no Hoare annotation was computed. [2019-10-15 01:22:16,263 INFO L443 ceAbstractionStarter]: For program point L776(lines 753 777) no Hoare annotation was computed. [2019-10-15 01:22:16,263 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 729 784) no Hoare annotation was computed. [2019-10-15 01:22:16,263 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 729 784) no Hoare annotation was computed. [2019-10-15 01:22:16,263 INFO L443 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2019-10-15 01:22:16,263 INFO L443 ceAbstractionStarter]: For program point L830-1(line 830) no Hoare annotation was computed. [2019-10-15 01:22:16,263 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 785 844) no Hoare annotation was computed. [2019-10-15 01:22:16,263 INFO L443 ceAbstractionStarter]: For program point L817(lines 817 821) no Hoare annotation was computed. [2019-10-15 01:22:16,263 INFO L443 ceAbstractionStarter]: For program point L817-1(lines 817 821) no Hoare annotation was computed. [2019-10-15 01:22:16,264 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 785 844) no Hoare annotation was computed. [2019-10-15 01:22:16,264 INFO L443 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2019-10-15 01:22:16,264 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 785 844) no Hoare annotation was computed. [2019-10-15 01:22:16,264 INFO L443 ceAbstractionStarter]: For program point L811-2(lines 811 836) no Hoare annotation was computed. [2019-10-15 01:22:16,264 INFO L443 ceAbstractionStarter]: For program point L837(lines 810 838) no Hoare annotation was computed. [2019-10-15 01:22:16,264 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 113 119) the Hoare annotation is: true [2019-10-15 01:22:16,265 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 113 119) no Hoare annotation was computed. [2019-10-15 01:22:16,265 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 120 128) no Hoare annotation was computed. [2019-10-15 01:22:16,265 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 120 128) the Hoare annotation is: true [2019-10-15 01:22:16,265 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 120 128) no Hoare annotation was computed. [2019-10-15 01:22:16,266 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2019-10-15 01:22:16,266 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2019-10-15 01:22:16,266 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2019-10-15 01:22:16,267 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: true [2019-10-15 01:22:16,268 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2019-10-15 01:22:16,268 INFO L443 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2019-10-15 01:22:16,268 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2019-10-15 01:22:16,268 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2019-10-15 01:22:16,269 INFO L446 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: true [2019-10-15 01:22:16,269 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2019-10-15 01:22:16,269 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-15 01:22:16,269 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2019-10-15 01:22:16,269 INFO L446 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: true [2019-10-15 01:22:16,269 INFO L443 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2019-10-15 01:22:16,269 INFO L443 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2019-10-15 01:22:16,269 INFO L443 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2019-10-15 01:22:16,269 INFO L446 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2019-10-15 01:22:16,270 INFO L443 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2019-10-15 01:22:16,270 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 285 307) the Hoare annotation is: true [2019-10-15 01:22:16,270 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 285 307) no Hoare annotation was computed. [2019-10-15 01:22:16,270 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 285 307) no Hoare annotation was computed. [2019-10-15 01:22:16,270 INFO L446 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: true [2019-10-15 01:22:16,270 INFO L446 ceAbstractionStarter]: At program point L297-1(line 297) the Hoare annotation is: true [2019-10-15 01:22:16,270 INFO L443 ceAbstractionStarter]: For program point L295(lines 295 302) no Hoare annotation was computed. [2019-10-15 01:22:16,270 INFO L443 ceAbstractionStarter]: For program point L295-1(lines 295 302) no Hoare annotation was computed. [2019-10-15 01:22:16,271 INFO L443 ceAbstractionStarter]: For program point L293(line 293) no Hoare annotation was computed. [2019-10-15 01:22:16,271 INFO L446 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: true [2019-10-15 01:22:16,271 INFO L446 ceAbstractionStarter]: At program point L291(line 291) the Hoare annotation is: true [2019-10-15 01:22:16,271 INFO L446 ceAbstractionStarter]: At program point L291-1(line 291) the Hoare annotation is: true [2019-10-15 01:22:16,271 INFO L443 ceAbstractionStarter]: For program point L257(line 257) no Hoare annotation was computed. [2019-10-15 01:22:16,271 INFO L443 ceAbstractionStarter]: For program point L256(line 256) no Hoare annotation was computed. [2019-10-15 01:22:16,271 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 243 266) no Hoare annotation was computed. [2019-10-15 01:22:16,271 INFO L443 ceAbstractionStarter]: For program point L255(line 255) no Hoare annotation was computed. [2019-10-15 01:22:16,272 INFO L443 ceAbstractionStarter]: For program point L254(line 254) no Hoare annotation was computed. [2019-10-15 01:22:16,272 INFO L443 ceAbstractionStarter]: For program point L253(line 253) no Hoare annotation was computed. [2019-10-15 01:22:16,272 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 243 266) no Hoare annotation was computed. [2019-10-15 01:22:16,272 INFO L443 ceAbstractionStarter]: For program point L252(line 252) no Hoare annotation was computed. [2019-10-15 01:22:16,272 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 243 266) no Hoare annotation was computed. [2019-10-15 01:22:16,272 INFO L443 ceAbstractionStarter]: For program point L251(line 251) no Hoare annotation was computed. [2019-10-15 01:22:16,272 INFO L443 ceAbstractionStarter]: For program point L250(line 250) no Hoare annotation was computed. [2019-10-15 01:22:16,272 INFO L443 ceAbstractionStarter]: For program point L249(line 249) no Hoare annotation was computed. [2019-10-15 01:22:16,272 INFO L443 ceAbstractionStarter]: For program point L248(line 248) no Hoare annotation was computed. [2019-10-15 01:22:16,273 INFO L443 ceAbstractionStarter]: For program point L261(line 261) no Hoare annotation was computed. [2019-10-15 01:22:16,273 INFO L443 ceAbstractionStarter]: For program point L260(line 260) no Hoare annotation was computed. [2019-10-15 01:22:16,273 INFO L443 ceAbstractionStarter]: For program point L259(line 259) no Hoare annotation was computed. [2019-10-15 01:22:16,273 INFO L443 ceAbstractionStarter]: For program point L258(line 258) no Hoare annotation was computed. [2019-10-15 01:22:16,273 INFO L443 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2019-10-15 01:22:16,273 INFO L443 ceAbstractionStarter]: For program point L384(lines 384 401) no Hoare annotation was computed. [2019-10-15 01:22:16,273 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 380 404) the Hoare annotation is: true [2019-10-15 01:22:16,273 INFO L446 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: true [2019-10-15 01:22:16,273 INFO L443 ceAbstractionStarter]: For program point L399-1(lines 380 404) no Hoare annotation was computed. [2019-10-15 01:22:16,274 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 380 404) no Hoare annotation was computed. [2019-10-15 01:22:16,274 INFO L446 ceAbstractionStarter]: At program point L394(line 394) the Hoare annotation is: true [2019-10-15 01:22:16,274 INFO L446 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: true [2019-10-15 01:22:16,274 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 396) no Hoare annotation was computed. [2019-10-15 01:22:16,274 INFO L446 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: true [2019-10-15 01:22:16,274 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 558 572) no Hoare annotation was computed. [2019-10-15 01:22:16,274 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 558 572) the Hoare annotation is: true [2019-10-15 01:22:16,274 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 558 572) no Hoare annotation was computed. [2019-10-15 01:22:16,274 INFO L446 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: true [2019-10-15 01:22:16,275 INFO L443 ceAbstractionStarter]: For program point L562(lines 562 568) no Hoare annotation was computed. [2019-10-15 01:22:16,275 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 475 483) no Hoare annotation was computed. [2019-10-15 01:22:16,276 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 475 483) the Hoare annotation is: true [2019-10-15 01:22:16,276 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 475 483) no Hoare annotation was computed. [2019-10-15 01:22:16,276 INFO L443 ceAbstractionStarter]: For program point L546-1(line 546) no Hoare annotation was computed. [2019-10-15 01:22:16,276 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 539 557) the Hoare annotation is: true [2019-10-15 01:22:16,276 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 539 557) no Hoare annotation was computed. [2019-10-15 01:22:16,276 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 552) no Hoare annotation was computed. [2019-10-15 01:22:16,276 INFO L446 ceAbstractionStarter]: At program point L546(line 546) the Hoare annotation is: true [2019-10-15 01:22:16,276 INFO L443 ceAbstractionStarter]: For program point L548-2(lines 548 552) no Hoare annotation was computed. [2019-10-15 01:22:16,277 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 539 557) no Hoare annotation was computed. [2019-10-15 01:22:16,277 INFO L443 ceAbstractionStarter]: For program point L514-1(line 514) no Hoare annotation was computed. [2019-10-15 01:22:16,277 INFO L443 ceAbstractionStarter]: For program point L503(lines 503 511) no Hoare annotation was computed. [2019-10-15 01:22:16,277 INFO L443 ceAbstractionStarter]: For program point L503-2(lines 503 511) no Hoare annotation was computed. [2019-10-15 01:22:16,277 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 484 519) no Hoare annotation was computed. [2019-10-15 01:22:16,277 INFO L443 ceAbstractionStarter]: For program point L491(lines 491 499) no Hoare annotation was computed. [2019-10-15 01:22:16,277 INFO L443 ceAbstractionStarter]: For program point L491-2(lines 491 499) no Hoare annotation was computed. [2019-10-15 01:22:16,277 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 484 519) no Hoare annotation was computed. [2019-10-15 01:22:16,277 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 484 519) no Hoare annotation was computed. [2019-10-15 01:22:16,278 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-10-15 01:22:16,278 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 106 112) no Hoare annotation was computed. [2019-10-15 01:22:16,278 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 106 112) the Hoare annotation is: true [2019-10-15 01:22:16,278 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 683 728) no Hoare annotation was computed. [2019-10-15 01:22:16,278 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 683 728) no Hoare annotation was computed. [2019-10-15 01:22:16,278 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 683 728) no Hoare annotation was computed. [2019-10-15 01:22:16,278 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 996 1041) no Hoare annotation was computed. [2019-10-15 01:22:16,279 INFO L443 ceAbstractionStarter]: For program point L1016(lines 1016 1023) no Hoare annotation was computed. [2019-10-15 01:22:16,279 INFO L443 ceAbstractionStarter]: For program point L1010(lines 1010 1030) no Hoare annotation was computed. [2019-10-15 01:22:16,279 INFO L443 ceAbstractionStarter]: For program point L1010-1(lines 1010 1030) no Hoare annotation was computed. [2019-10-15 01:22:16,279 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 996 1041) no Hoare annotation was computed. [2019-10-15 01:22:16,279 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 996 1041) no Hoare annotation was computed. [2019-10-15 01:22:16,280 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 274 284) the Hoare annotation is: true [2019-10-15 01:22:16,280 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 274 284) no Hoare annotation was computed. [2019-10-15 01:22:16,280 INFO L446 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: true [2019-10-15 01:22:16,280 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 274 284) no Hoare annotation was computed. [2019-10-15 01:22:16,280 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 464 474) the Hoare annotation is: true [2019-10-15 01:22:16,280 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 464 474) no Hoare annotation was computed. [2019-10-15 01:22:16,280 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 464 474) no Hoare annotation was computed. [2019-10-15 01:22:16,280 INFO L446 ceAbstractionStarter]: At program point L469(line 469) the Hoare annotation is: true [2019-10-15 01:22:16,281 INFO L443 ceAbstractionStarter]: For program point L469-1(line 469) no Hoare annotation was computed. [2019-10-15 01:22:16,281 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 456 463) the Hoare annotation is: true [2019-10-15 01:22:16,281 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 456 463) no Hoare annotation was computed. [2019-10-15 01:22:16,281 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 456 463) no Hoare annotation was computed. [2019-10-15 01:22:16,281 INFO L443 ceAbstractionStarter]: For program point L657(lines 657 663) no Hoare annotation was computed. [2019-10-15 01:22:16,281 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 653 666) no Hoare annotation was computed. [2019-10-15 01:22:16,281 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 653 666) the Hoare annotation is: true [2019-10-15 01:22:16,281 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 653 666) no Hoare annotation was computed. [2019-10-15 01:22:16,281 INFO L446 ceAbstractionStarter]: At program point L416(line 416) the Hoare annotation is: true [2019-10-15 01:22:16,281 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 422) no Hoare annotation was computed. [2019-10-15 01:22:16,281 INFO L446 ceAbstractionStarter]: At program point L412(line 412) the Hoare annotation is: true [2019-10-15 01:22:16,281 INFO L443 ceAbstractionStarter]: For program point L412-1(line 412) no Hoare annotation was computed. [2019-10-15 01:22:16,282 INFO L443 ceAbstractionStarter]: For program point L410(lines 410 427) no Hoare annotation was computed. [2019-10-15 01:22:16,282 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 406 430) no Hoare annotation was computed. [2019-10-15 01:22:16,282 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 406 430) the Hoare annotation is: true [2019-10-15 01:22:16,282 INFO L446 ceAbstractionStarter]: At program point L425(line 425) the Hoare annotation is: true [2019-10-15 01:22:16,282 INFO L443 ceAbstractionStarter]: For program point L425-1(lines 406 430) no Hoare annotation was computed. [2019-10-15 01:22:16,282 INFO L446 ceAbstractionStarter]: At program point L420(line 420) the Hoare annotation is: true [2019-10-15 01:22:16,282 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 346 352) no Hoare annotation was computed. [2019-10-15 01:22:16,282 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 346 352) the Hoare annotation is: true [2019-10-15 01:22:16,282 INFO L446 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: true [2019-10-15 01:22:16,282 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 144 209) the Hoare annotation is: true [2019-10-15 01:22:16,282 INFO L443 ceAbstractionStarter]: For program point L190(lines 190 196) no Hoare annotation was computed. [2019-10-15 01:22:16,283 INFO L446 ceAbstractionStarter]: At program point L190-1(lines 184 197) the Hoare annotation is: true [2019-10-15 01:22:16,283 INFO L443 ceAbstractionStarter]: For program point L155(lines 154 201) no Hoare annotation was computed. [2019-10-15 01:22:16,283 INFO L443 ceAbstractionStarter]: For program point L184(lines 184 197) no Hoare annotation was computed. [2019-10-15 01:22:16,283 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 144 209) no Hoare annotation was computed. [2019-10-15 01:22:16,283 INFO L446 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: true [2019-10-15 01:22:16,283 INFO L443 ceAbstractionStarter]: For program point L174(lines 174 180) no Hoare annotation was computed. [2019-10-15 01:22:16,283 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 174 180) no Hoare annotation was computed. [2019-10-15 01:22:16,284 INFO L446 ceAbstractionStarter]: At program point L199(lines 154 201) the Hoare annotation is: true [2019-10-15 01:22:16,284 INFO L446 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: true [2019-10-15 01:22:16,284 INFO L443 ceAbstractionStarter]: For program point L164(lines 164 170) no Hoare annotation was computed. [2019-10-15 01:22:16,284 INFO L443 ceAbstractionStarter]: For program point L164-1(lines 164 170) no Hoare annotation was computed. [2019-10-15 01:22:16,284 INFO L443 ceAbstractionStarter]: For program point L156(lines 156 160) no Hoare annotation was computed. [2019-10-15 01:22:16,284 INFO L446 ceAbstractionStarter]: At program point L202(lines 153 203) the Hoare annotation is: true [2019-10-15 01:22:16,284 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 144 209) no Hoare annotation was computed. [2019-10-15 01:22:16,284 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 950 995) no Hoare annotation was computed. [2019-10-15 01:22:16,285 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 950 995) no Hoare annotation was computed. [2019-10-15 01:22:16,285 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 950 995) no Hoare annotation was computed. [2019-10-15 01:22:16,285 INFO L443 ceAbstractionStarter]: For program point L970(lines 970 977) no Hoare annotation was computed. [2019-10-15 01:22:16,285 INFO L443 ceAbstractionStarter]: For program point L964(lines 964 984) no Hoare annotation was computed. [2019-10-15 01:22:16,285 INFO L443 ceAbstractionStarter]: For program point L964-1(lines 964 984) no Hoare annotation was computed. [2019-10-15 01:22:16,285 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 431 438) the Hoare annotation is: true [2019-10-15 01:22:16,285 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 431 438) no Hoare annotation was computed. [2019-10-15 01:22:16,285 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 431 438) no Hoare annotation was computed. [2019-10-15 01:22:16,286 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 667 675) no Hoare annotation was computed. [2019-10-15 01:22:16,286 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 667 675) the Hoare annotation is: true [2019-10-15 01:22:16,286 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 667 675) no Hoare annotation was computed. [2019-10-15 01:22:16,286 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 621 643) no Hoare annotation was computed. [2019-10-15 01:22:16,286 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 621 643) no Hoare annotation was computed. [2019-10-15 01:22:16,286 INFO L443 ceAbstractionStarter]: For program point L629(lines 629 637) no Hoare annotation was computed. [2019-10-15 01:22:16,286 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 621 643) no Hoare annotation was computed. [2019-10-15 01:22:16,287 INFO L443 ceAbstractionStarter]: For program point L629-2(lines 629 637) no Hoare annotation was computed. [2019-10-15 01:22:16,287 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 96 105) no Hoare annotation was computed. [2019-10-15 01:22:16,287 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 96 105) no Hoare annotation was computed. [2019-10-15 01:22:16,287 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 96 105) no Hoare annotation was computed. [2019-10-15 01:22:16,287 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 847 949) no Hoare annotation was computed. [2019-10-15 01:22:16,287 INFO L443 ceAbstractionStarter]: For program point L896-2(lines 896 916) no Hoare annotation was computed. [2019-10-15 01:22:16,287 INFO L443 ceAbstractionStarter]: For program point L917(lines 895 918) no Hoare annotation was computed. [2019-10-15 01:22:16,287 INFO L443 ceAbstractionStarter]: For program point L876(lines 876 892) no Hoare annotation was computed. [2019-10-15 01:22:16,288 INFO L443 ceAbstractionStarter]: For program point L936(lines 936 943) no Hoare annotation was computed. [2019-10-15 01:22:16,288 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 847 949) no Hoare annotation was computed. [2019-10-15 01:22:16,288 INFO L443 ceAbstractionStarter]: For program point L897(lines 896 916) no Hoare annotation was computed. [2019-10-15 01:22:16,288 INFO L443 ceAbstractionStarter]: For program point L928(line 928) no Hoare annotation was computed. [2019-10-15 01:22:16,288 INFO L443 ceAbstractionStarter]: For program point L928-1(line 928) no Hoare annotation was computed. [2019-10-15 01:22:16,288 INFO L443 ceAbstractionStarter]: For program point L893(lines 893 934) no Hoare annotation was computed. [2019-10-15 01:22:16,288 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 847 949) no Hoare annotation was computed. [2019-10-15 01:22:16,288 INFO L443 ceAbstractionStarter]: For program point L912(line 912) no Hoare annotation was computed. [2019-10-15 01:22:16,289 INFO L443 ceAbstractionStarter]: For program point L912-1(line 912) no Hoare annotation was computed. [2019-10-15 01:22:16,289 INFO L443 ceAbstractionStarter]: For program point L871(lines 871 875) no Hoare annotation was computed. [2019-10-15 01:22:16,289 INFO L443 ceAbstractionStarter]: For program point L935(lines 935 946) no Hoare annotation was computed. [2019-10-15 01:22:16,289 INFO L443 ceAbstractionStarter]: For program point L898(lines 898 902) no Hoare annotation was computed. [2019-10-15 01:22:16,289 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:22:16,289 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))) [2019-10-15 01:22:16,289 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:22:16,290 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 439 455) no Hoare annotation was computed. [2019-10-15 01:22:16,290 INFO L443 ceAbstractionStarter]: For program point L446(lines 446 452) no Hoare annotation was computed. [2019-10-15 01:22:16,290 INFO L446 ceAbstractionStarter]: At program point L444(line 444) the Hoare annotation is: true [2019-10-15 01:22:16,290 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 439 455) no Hoare annotation was computed. [2019-10-15 01:22:16,290 INFO L443 ceAbstractionStarter]: For program point L444-1(line 444) no Hoare annotation was computed. [2019-10-15 01:22:16,290 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 439 455) the Hoare annotation is: true [2019-10-15 01:22:16,290 INFO L446 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2019-10-15 01:22:16,290 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 644 652) the Hoare annotation is: true [2019-10-15 01:22:16,291 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 644 652) no Hoare annotation was computed. [2019-10-15 01:22:16,291 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 644 652) no Hoare annotation was computed. [2019-10-15 01:22:16,291 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 533) no Hoare annotation was computed. [2019-10-15 01:22:16,291 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 520 538) no Hoare annotation was computed. [2019-10-15 01:22:16,291 INFO L446 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: true [2019-10-15 01:22:16,291 INFO L443 ceAbstractionStarter]: For program point L529-2(lines 529 533) no Hoare annotation was computed. [2019-10-15 01:22:16,291 INFO L443 ceAbstractionStarter]: For program point L527-1(line 527) no Hoare annotation was computed. [2019-10-15 01:22:16,291 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 520 538) the Hoare annotation is: true [2019-10-15 01:22:16,292 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 520 538) no Hoare annotation was computed. [2019-10-15 01:22:16,292 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 600 611) the Hoare annotation is: true [2019-10-15 01:22:16,292 INFO L443 ceAbstractionStarter]: For program point L604-1(lines 600 611) no Hoare annotation was computed. [2019-10-15 01:22:16,292 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 600 611) no Hoare annotation was computed. [2019-10-15 01:22:16,292 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:22:16,292 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:22:16,292 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:22:16,292 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 319 345) the Hoare annotation is: true [2019-10-15 01:22:16,293 INFO L446 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: true [2019-10-15 01:22:16,293 INFO L446 ceAbstractionStarter]: At program point L333(lines 333 339) the Hoare annotation is: true [2019-10-15 01:22:16,293 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 319 345) no Hoare annotation was computed. [2019-10-15 01:22:16,293 INFO L446 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: true [2019-10-15 01:22:16,293 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 319 345) no Hoare annotation was computed. [2019-10-15 01:22:16,293 INFO L443 ceAbstractionStarter]: For program point L326(lines 322 344) no Hoare annotation was computed. [2019-10-15 01:22:16,293 INFO L443 ceAbstractionStarter]: For program point L324(lines 322 344) no Hoare annotation was computed. [2019-10-15 01:22:16,293 INFO L446 ceAbstractionStarter]: At program point L226-1(lines 226 230) the Hoare annotation is: true [2019-10-15 01:22:16,294 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 212 241) no Hoare annotation was computed. [2019-10-15 01:22:16,294 INFO L443 ceAbstractionStarter]: For program point L223(line 223) no Hoare annotation was computed. [2019-10-15 01:22:16,294 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 212 241) the Hoare annotation is: true [2019-10-15 01:22:16,294 INFO L446 ceAbstractionStarter]: At program point L222-2(lines 222 236) the Hoare annotation is: true [2019-10-15 01:22:16,294 INFO L446 ceAbstractionStarter]: At program point L218(line 218) the Hoare annotation is: true [2019-10-15 01:22:16,294 INFO L443 ceAbstractionStarter]: For program point L218-1(line 218) no Hoare annotation was computed. [2019-10-15 01:22:16,294 INFO L446 ceAbstractionStarter]: At program point L237(lines 212 241) the Hoare annotation is: true [2019-10-15 01:22:16,294 INFO L443 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2019-10-15 01:22:16,294 INFO L443 ceAbstractionStarter]: For program point L226(lines 226 230) no Hoare annotation was computed. [2019-10-15 01:22:16,295 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 612 620) the Hoare annotation is: true [2019-10-15 01:22:16,295 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 612 620) no Hoare annotation was computed. [2019-10-15 01:22:16,295 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 612 620) no Hoare annotation was computed. [2019-10-15 01:22:16,295 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 576 587) the Hoare annotation is: true [2019-10-15 01:22:16,295 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 576 587) no Hoare annotation was computed. [2019-10-15 01:22:16,295 INFO L443 ceAbstractionStarter]: For program point L580-1(lines 576 587) no Hoare annotation was computed. [2019-10-15 01:22:16,295 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 267 273) no Hoare annotation was computed. [2019-10-15 01:22:16,295 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 267 273) the Hoare annotation is: true [2019-10-15 01:22:16,296 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:22:16,296 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-15 01:22:16,296 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:22:16,296 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:22:16,296 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 354 378) the Hoare annotation is: true [2019-10-15 01:22:16,296 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 354 378) no Hoare annotation was computed. [2019-10-15 01:22:16,296 INFO L446 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: true [2019-10-15 01:22:16,296 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 354 378) no Hoare annotation was computed. [2019-10-15 01:22:16,297 INFO L446 ceAbstractionStarter]: At program point L368(line 368) the Hoare annotation is: true [2019-10-15 01:22:16,297 INFO L446 ceAbstractionStarter]: At program point L364(line 364) the Hoare annotation is: true [2019-10-15 01:22:16,297 INFO L443 ceAbstractionStarter]: For program point L362(lines 362 370) no Hoare annotation was computed. [2019-10-15 01:22:16,297 INFO L446 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: true [2019-10-15 01:22:16,297 INFO L443 ceAbstractionStarter]: For program point L360-1(line 360) no Hoare annotation was computed. [2019-10-15 01:22:16,297 INFO L443 ceAbstractionStarter]: For program point L358(lines 358 375) no Hoare annotation was computed. [2019-10-15 01:22:16,297 INFO L443 ceAbstractionStarter]: For program point L592-1(lines 588 599) no Hoare annotation was computed. [2019-10-15 01:22:16,297 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 588 599) no Hoare annotation was computed. [2019-10-15 01:22:16,298 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 588 599) the Hoare annotation is: true [2019-10-15 01:22:16,298 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 130 137) no Hoare annotation was computed. [2019-10-15 01:22:16,298 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 130 137) the Hoare annotation is: true [2019-10-15 01:22:16,298 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 130 137) no Hoare annotation was computed. [2019-10-15 01:22:16,298 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 134) no Hoare annotation was computed. [2019-10-15 01:22:16,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:22:16 BoogieIcfgContainer [2019-10-15 01:22:16,307 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:22:16,310 INFO L168 Benchmark]: Toolchain (without parser) took 10204.75 ms. Allocated memory was 138.4 MB in the beginning and 401.1 MB in the end (delta: 262.7 MB). Free memory was 100.6 MB in the beginning and 269.5 MB in the end (delta: -168.9 MB). Peak memory consumption was 224.4 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:16,311 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-15 01:22:16,312 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.04 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 100.4 MB in the beginning and 167.8 MB in the end (delta: -67.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:16,313 INFO L168 Benchmark]: Boogie Preprocessor took 103.91 ms. Allocated memory is still 201.9 MB. Free memory was 167.8 MB in the beginning and 163.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:16,314 INFO L168 Benchmark]: RCFGBuilder took 1254.00 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 163.2 MB in the beginning and 191.0 MB in the end (delta: -27.8 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:16,314 INFO L168 Benchmark]: TraceAbstraction took 8108.64 ms. Allocated memory was 234.4 MB in the beginning and 401.1 MB in the end (delta: 166.7 MB). Free memory was 189.6 MB in the beginning and 269.5 MB in the end (delta: -80.0 MB). Peak memory consumption was 217.4 MB. Max. memory is 7.1 GB. [2019-10-15 01:22:16,319 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 733.04 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 100.4 MB in the beginning and 167.8 MB in the end (delta: -67.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.91 ms. Allocated memory is still 201.9 MB. Free memory was 167.8 MB in the beginning and 163.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1254.00 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 163.2 MB in the beginning and 191.0 MB in the end (delta: -27.8 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8108.64 ms. Allocated memory was 234.4 MB in the beginning and 401.1 MB in the end (delta: 166.7 MB). Free memory was 189.6 MB in the beginning and 269.5 MB in the end (delta: -80.0 MB). Peak memory consumption was 217.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 134]: 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: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 268 locations, 1 error locations. Result: SAFE, OverallTime: 8.0s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1774 SDtfs, 1283 SDslu, 4022 SDs, 0 SdLazy, 2007 SolverSat, 346 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 279 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1904occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 319 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 75 LocationsWithAnnotation, 2094 PreInvPairs, 2095 NumberOfFragments, 85 HoareAnnotationTreeSize, 2094 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 75 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1091 NumberOfCodeBlocks, 1091 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1273 ConstructedInterpolants, 0 QuantifiedInterpolants, 296752 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1013 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 151/186 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 171, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.7864583333333334, 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...