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_spec4_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:06,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:06,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:06,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:06,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:06,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:06,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:06,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:06,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:06,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:06,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:06,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:06,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:06,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:06,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:06,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:06,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:06,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:06,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:06,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:06,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:06,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:06,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:06,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:06,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:06,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:06,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:06,838 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:06,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:06,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:06,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:06,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:06,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:06,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:06,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:06,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:06,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:06,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:06,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:06,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:06,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:06,849 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:22:06,870 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:06,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:06,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:06,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:06,873 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:06,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:06,874 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:06,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:06,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:06,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:06,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:06,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:06,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:06,876 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:06,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:06,876 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:06,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:06,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:06,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:06,877 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:06,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:06,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:06,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:06,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:06,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:06,879 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:06,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:06,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:06,879 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:22:07,175 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:07,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:07,191 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:07,192 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:07,193 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:07,193 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c [2019-10-13 21:22:07,254 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/117c0d5da/04c9ccdef4d74ee8bfdd5074f7233386/FLAG76cc77f75 [2019-10-13 21:22:07,789 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:07,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c [2019-10-13 21:22:07,807 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/117c0d5da/04c9ccdef4d74ee8bfdd5074f7233386/FLAG76cc77f75 [2019-10-13 21:22:08,086 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/117c0d5da/04c9ccdef4d74ee8bfdd5074f7233386 [2019-10-13 21:22:08,099 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:08,101 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:08,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:08,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:08,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:08,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:08" (1/1) ... [2019-10-13 21:22:08,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a1dcce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:08, skipping insertion in model container [2019-10-13 21:22:08,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:08" (1/1) ... [2019-10-13 21:22:08,121 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:08,180 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:08,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:08,632 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:08,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:08,769 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:08,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:08 WrapperNode [2019-10-13 21:22:08,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:08,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:08,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:08,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:08,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:08" (1/1) ... [2019-10-13 21:22:08,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:08" (1/1) ... [2019-10-13 21:22:08,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:08" (1/1) ... [2019-10-13 21:22:08,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:08" (1/1) ... [2019-10-13 21:22:08,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:08" (1/1) ... [2019-10-13 21:22:08,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:08" (1/1) ... [2019-10-13 21:22:08,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:08" (1/1) ... [2019-10-13 21:22:08,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:08,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:08,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:08,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:08,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:08,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:08,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:08,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:08,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:08,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:08,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:08,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:08,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:08,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:08,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:22:08,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:08,906 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:08,906 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:08,906 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:08,907 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:08,907 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:08,908 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:08,908 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:22:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:22:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:08,910 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:08,910 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:08,910 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:08,910 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:08,910 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:08,910 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:08,911 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:22:08,911 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:08,911 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:08,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:08,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:08,911 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:08,912 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:22:08,912 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:22:08,912 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:22:08,912 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:22:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:08,916 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:22:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:22:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:22:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:22:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:22:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:22:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:09,952 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:09,952 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:09,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:09 BoogieIcfgContainer [2019-10-13 21:22:09,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:09,955 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:09,955 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:09,959 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:09,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:08" (1/3) ... [2019-10-13 21:22:09,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74538e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:09, skipping insertion in model container [2019-10-13 21:22:09,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:08" (2/3) ... [2019-10-13 21:22:09,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74538e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:09, skipping insertion in model container [2019-10-13 21:22:09,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:09" (3/3) ... [2019-10-13 21:22:09,963 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product58.cil.c [2019-10-13 21:22:09,972 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:09,981 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:09,992 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:10,029 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:10,029 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:10,029 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:10,029 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:10,030 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:10,030 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:10,031 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:10,031 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:10,056 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states. [2019-10-13 21:22:10,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:22:10,070 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:10,072 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:10,074 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:10,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:10,080 INFO L82 PathProgramCache]: Analyzing trace with hash -298144076, now seen corresponding path program 1 times [2019-10-13 21:22:10,089 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:10,090 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599967896] [2019-10-13 21:22:10,090 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:10,090 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:10,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:10,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:10,416 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599967896] [2019-10-13 21:22:10,417 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:10,417 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:10,418 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807548054] [2019-10-13 21:22:10,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:10,424 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:10,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:10,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:10,441 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 2 states. [2019-10-13 21:22:10,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:10,498 INFO L93 Difference]: Finished difference Result 294 states and 357 transitions. [2019-10-13 21:22:10,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:10,499 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:22:10,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:10,523 INFO L225 Difference]: With dead ends: 294 [2019-10-13 21:22:10,523 INFO L226 Difference]: Without dead ends: 147 [2019-10-13 21:22:10,530 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:10,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-10-13 21:22:10,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2019-10-13 21:22:10,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-10-13 21:22:10,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 170 transitions. [2019-10-13 21:22:10,592 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 170 transitions. Word has length 46 [2019-10-13 21:22:10,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:10,592 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 170 transitions. [2019-10-13 21:22:10,592 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:10,593 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 170 transitions. [2019-10-13 21:22:10,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:22:10,596 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:10,596 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:10,597 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:10,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:10,597 INFO L82 PathProgramCache]: Analyzing trace with hash -491113124, now seen corresponding path program 1 times [2019-10-13 21:22:10,598 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:10,598 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440125532] [2019-10-13 21:22:10,598 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:10,598 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:10,598 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:10,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:10,714 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440125532] [2019-10-13 21:22:10,714 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:10,714 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:10,715 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607325655] [2019-10-13 21:22:10,716 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:10,717 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:10,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:10,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:10,717 INFO L87 Difference]: Start difference. First operand 147 states and 170 transitions. Second operand 3 states. [2019-10-13 21:22:10,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:10,740 INFO L93 Difference]: Finished difference Result 239 states and 275 transitions. [2019-10-13 21:22:10,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:10,741 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:22:10,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:10,744 INFO L225 Difference]: With dead ends: 239 [2019-10-13 21:22:10,744 INFO L226 Difference]: Without dead ends: 138 [2019-10-13 21:22:10,746 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:10,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-10-13 21:22:10,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2019-10-13 21:22:10,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-10-13 21:22:10,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 158 transitions. [2019-10-13 21:22:10,760 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 158 transitions. Word has length 47 [2019-10-13 21:22:10,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:10,760 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 158 transitions. [2019-10-13 21:22:10,760 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:10,760 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 158 transitions. [2019-10-13 21:22:10,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:22:10,763 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:10,763 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:10,763 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:10,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:10,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1388977157, now seen corresponding path program 1 times [2019-10-13 21:22:10,764 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:10,764 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331313304] [2019-10-13 21:22:10,764 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:10,764 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:10,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:10,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:10,891 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331313304] [2019-10-13 21:22:10,891 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:10,892 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:10,892 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168140601] [2019-10-13 21:22:10,892 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:10,893 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:10,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:10,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:10,893 INFO L87 Difference]: Start difference. First operand 138 states and 158 transitions. Second operand 7 states. [2019-10-13 21:22:11,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:11,226 INFO L93 Difference]: Finished difference Result 252 states and 293 transitions. [2019-10-13 21:22:11,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:11,226 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-13 21:22:11,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:11,229 INFO L225 Difference]: With dead ends: 252 [2019-10-13 21:22:11,229 INFO L226 Difference]: Without dead ends: 138 [2019-10-13 21:22:11,231 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 [2019-10-13 21:22:11,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-10-13 21:22:11,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2019-10-13 21:22:11,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-10-13 21:22:11,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 157 transitions. [2019-10-13 21:22:11,245 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 157 transitions. Word has length 52 [2019-10-13 21:22:11,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:11,247 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 157 transitions. [2019-10-13 21:22:11,247 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:11,247 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 157 transitions. [2019-10-13 21:22:11,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-13 21:22:11,250 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:11,250 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:11,251 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:11,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:11,251 INFO L82 PathProgramCache]: Analyzing trace with hash 105794737, now seen corresponding path program 1 times [2019-10-13 21:22:11,252 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:11,252 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60006080] [2019-10-13 21:22:11,252 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:11,252 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:11,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:11,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:11,390 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60006080] [2019-10-13 21:22:11,390 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:11,391 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:22:11,391 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865721080] [2019-10-13 21:22:11,391 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:22:11,392 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:11,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:22:11,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:22:11,392 INFO L87 Difference]: Start difference. First operand 138 states and 157 transitions. Second operand 5 states. [2019-10-13 21:22:11,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:11,887 INFO L93 Difference]: Finished difference Result 353 states and 419 transitions. [2019-10-13 21:22:11,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:22:11,887 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-10-13 21:22:11,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:11,896 INFO L225 Difference]: With dead ends: 353 [2019-10-13 21:22:11,897 INFO L226 Difference]: Without dead ends: 239 [2019-10-13 21:22:11,898 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:11,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2019-10-13 21:22:11,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 220. [2019-10-13 21:22:11,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2019-10-13 21:22:11,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 248 transitions. [2019-10-13 21:22:11,949 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 248 transitions. Word has length 65 [2019-10-13 21:22:11,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:11,950 INFO L462 AbstractCegarLoop]: Abstraction has 220 states and 248 transitions. [2019-10-13 21:22:11,950 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:22:11,950 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 248 transitions. [2019-10-13 21:22:11,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-13 21:22:11,952 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:11,955 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:11,955 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:11,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:11,956 INFO L82 PathProgramCache]: Analyzing trace with hash -830596407, now seen corresponding path program 1 times [2019-10-13 21:22:11,956 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:11,956 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111808442] [2019-10-13 21:22:11,957 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:11,957 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:11,957 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:12,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:12,092 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111808442] [2019-10-13 21:22:12,093 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:12,093 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:22:12,093 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98651528] [2019-10-13 21:22:12,094 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:22:12,094 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:12,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:22:12,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:12,096 INFO L87 Difference]: Start difference. First operand 220 states and 248 transitions. Second operand 8 states. [2019-10-13 21:22:12,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:12,177 INFO L93 Difference]: Finished difference Result 423 states and 489 transitions. [2019-10-13 21:22:12,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:22:12,179 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2019-10-13 21:22:12,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:12,189 INFO L225 Difference]: With dead ends: 423 [2019-10-13 21:22:12,189 INFO L226 Difference]: Without dead ends: 227 [2019-10-13 21:22:12,190 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:12,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-10-13 21:22:12,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 224. [2019-10-13 21:22:12,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2019-10-13 21:22:12,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 252 transitions. [2019-10-13 21:22:12,225 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 252 transitions. Word has length 79 [2019-10-13 21:22:12,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:12,225 INFO L462 AbstractCegarLoop]: Abstraction has 224 states and 252 transitions. [2019-10-13 21:22:12,225 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:22:12,225 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 252 transitions. [2019-10-13 21:22:12,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-13 21:22:12,227 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:12,227 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:12,228 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:12,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:12,228 INFO L82 PathProgramCache]: Analyzing trace with hash 2078167495, now seen corresponding path program 1 times [2019-10-13 21:22:12,228 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:12,229 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015836537] [2019-10-13 21:22:12,229 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:12,229 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:12,229 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:12,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:12,424 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015836537] [2019-10-13 21:22:12,425 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:12,425 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:22:12,425 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869919403] [2019-10-13 21:22:12,426 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:22:12,426 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:12,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:22:12,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:22:12,427 INFO L87 Difference]: Start difference. First operand 224 states and 252 transitions. Second operand 10 states. [2019-10-13 21:22:12,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:12,938 INFO L93 Difference]: Finished difference Result 726 states and 882 transitions. [2019-10-13 21:22:12,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 21:22:12,939 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2019-10-13 21:22:12,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:12,944 INFO L225 Difference]: With dead ends: 726 [2019-10-13 21:22:12,944 INFO L226 Difference]: Without dead ends: 526 [2019-10-13 21:22:12,945 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:22:12,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2019-10-13 21:22:12,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 516. [2019-10-13 21:22:12,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2019-10-13 21:22:12,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 597 transitions. [2019-10-13 21:22:12,983 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 597 transitions. Word has length 79 [2019-10-13 21:22:12,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:12,983 INFO L462 AbstractCegarLoop]: Abstraction has 516 states and 597 transitions. [2019-10-13 21:22:12,983 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:22:12,983 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 597 transitions. [2019-10-13 21:22:13,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-10-13 21:22:13,006 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:13,006 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 21:22:13,006 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:13,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:13,007 INFO L82 PathProgramCache]: Analyzing trace with hash -640912824, now seen corresponding path program 1 times [2019-10-13 21:22:13,007 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:13,007 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947182798] [2019-10-13 21:22:13,008 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:13,008 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:13,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:13,128 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-10-13 21:22:13,128 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947182798] [2019-10-13 21:22:13,128 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926069882] [2019-10-13 21:22:13,128 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:13,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-13 21:22:13,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:13,505 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:13,505 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:13,733 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:22:13,946 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 19 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-13 21:22:13,947 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:22:13,947 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7, 9] total 17 [2019-10-13 21:22:13,947 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275083352] [2019-10-13 21:22:13,948 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:22:13,948 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:13,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:22:13,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2019-10-13 21:22:13,949 INFO L87 Difference]: Start difference. First operand 516 states and 597 transitions. Second operand 8 states. [2019-10-13 21:22:15,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:15,194 INFO L93 Difference]: Finished difference Result 1321 states and 1680 transitions. [2019-10-13 21:22:15,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-13 21:22:15,194 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 138 [2019-10-13 21:22:15,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:15,201 INFO L225 Difference]: With dead ends: 1321 [2019-10-13 21:22:15,201 INFO L226 Difference]: Without dead ends: 950 [2019-10-13 21:22:15,203 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 278 SyntacticMatches, 5 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2019-10-13 21:22:15,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2019-10-13 21:22:15,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 869. [2019-10-13 21:22:15,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2019-10-13 21:22:15,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1047 transitions. [2019-10-13 21:22:15,268 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1047 transitions. Word has length 138 [2019-10-13 21:22:15,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:15,268 INFO L462 AbstractCegarLoop]: Abstraction has 869 states and 1047 transitions. [2019-10-13 21:22:15,268 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:22:15,268 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1047 transitions. [2019-10-13 21:22:15,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-13 21:22:15,271 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:15,271 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:15,486 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:15,486 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:15,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:15,487 INFO L82 PathProgramCache]: Analyzing trace with hash -2098643833, now seen corresponding path program 1 times [2019-10-13 21:22:15,487 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:15,487 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582033226] [2019-10-13 21:22:15,487 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:15,488 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:15,488 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:15,568 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 21:22:15,568 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582033226] [2019-10-13 21:22:15,568 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024183883] [2019-10-13 21:22:15,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:15,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-13 21:22:15,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:15,832 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-13 21:22:15,832 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:16,100 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 21:22:16,101 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:22:16,101 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 6 [2019-10-13 21:22:16,101 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012072140] [2019-10-13 21:22:16,102 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:16,102 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:16,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:16,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:16,103 INFO L87 Difference]: Start difference. First operand 869 states and 1047 transitions. Second operand 6 states. [2019-10-13 21:22:16,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:16,161 INFO L93 Difference]: Finished difference Result 1552 states and 1935 transitions. [2019-10-13 21:22:16,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:16,161 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2019-10-13 21:22:16,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:16,166 INFO L225 Difference]: With dead ends: 1552 [2019-10-13 21:22:16,166 INFO L226 Difference]: Without dead ends: 707 [2019-10-13 21:22:16,168 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:16,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2019-10-13 21:22:16,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 705. [2019-10-13 21:22:16,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 705 states. [2019-10-13 21:22:16,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 844 transitions. [2019-10-13 21:22:16,211 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 844 transitions. Word has length 145 [2019-10-13 21:22:16,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:16,211 INFO L462 AbstractCegarLoop]: Abstraction has 705 states and 844 transitions. [2019-10-13 21:22:16,211 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:16,211 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 844 transitions. [2019-10-13 21:22:16,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-13 21:22:16,214 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:16,214 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:16,419 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:16,419 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:16,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:16,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1319690960, now seen corresponding path program 1 times [2019-10-13 21:22:16,420 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:16,420 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910161459] [2019-10-13 21:22:16,420 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:16,420 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:16,420 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:16,501 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 21:22:16,502 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910161459] [2019-10-13 21:22:16,502 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:16,502 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:22:16,502 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107102203] [2019-10-13 21:22:16,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:16,503 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:16,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:16,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:16,504 INFO L87 Difference]: Start difference. First operand 705 states and 844 transitions. Second operand 6 states. [2019-10-13 21:22:16,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:16,578 INFO L93 Difference]: Finished difference Result 1338 states and 1624 transitions. [2019-10-13 21:22:16,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:16,579 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2019-10-13 21:22:16,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:16,584 INFO L225 Difference]: With dead ends: 1338 [2019-10-13 21:22:16,584 INFO L226 Difference]: Without dead ends: 720 [2019-10-13 21:22:16,586 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:16,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2019-10-13 21:22:16,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 720. [2019-10-13 21:22:16,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2019-10-13 21:22:16,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 859 transitions. [2019-10-13 21:22:16,627 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 859 transitions. Word has length 149 [2019-10-13 21:22:16,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:16,630 INFO L462 AbstractCegarLoop]: Abstraction has 720 states and 859 transitions. [2019-10-13 21:22:16,630 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:16,631 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 859 transitions. [2019-10-13 21:22:16,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-13 21:22:16,633 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:16,633 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:16,633 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:16,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:16,634 INFO L82 PathProgramCache]: Analyzing trace with hash 810217870, now seen corresponding path program 1 times [2019-10-13 21:22:16,634 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:16,635 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410000156] [2019-10-13 21:22:16,635 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:16,635 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:16,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:16,732 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 21:22:16,733 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410000156] [2019-10-13 21:22:16,733 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:16,734 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:22:16,734 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151265322] [2019-10-13 21:22:16,734 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:16,735 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:16,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:16,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:16,735 INFO L87 Difference]: Start difference. First operand 720 states and 859 transitions. Second operand 6 states. [2019-10-13 21:22:16,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:16,941 INFO L93 Difference]: Finished difference Result 737 states and 878 transitions. [2019-10-13 21:22:16,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:22:16,942 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2019-10-13 21:22:16,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:16,948 INFO L225 Difference]: With dead ends: 737 [2019-10-13 21:22:16,948 INFO L226 Difference]: Without dead ends: 734 [2019-10-13 21:22:16,949 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:22:16,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2019-10-13 21:22:16,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 720. [2019-10-13 21:22:16,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2019-10-13 21:22:17,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 855 transitions. [2019-10-13 21:22:17,002 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 855 transitions. Word has length 149 [2019-10-13 21:22:17,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:17,003 INFO L462 AbstractCegarLoop]: Abstraction has 720 states and 855 transitions. [2019-10-13 21:22:17,003 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:17,003 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 855 transitions. [2019-10-13 21:22:17,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-13 21:22:17,005 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:17,006 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 21:22:17,006 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:17,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:17,007 INFO L82 PathProgramCache]: Analyzing trace with hash -488644751, now seen corresponding path program 1 times [2019-10-13 21:22:17,007 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:17,007 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932356528] [2019-10-13 21:22:17,007 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:17,008 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:17,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:17,163 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-13 21:22:17,164 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932356528] [2019-10-13 21:22:17,164 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006827117] [2019-10-13 21:22:17,164 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:17,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-13 21:22:17,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:17,510 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:17,510 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:17,792 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-13 21:22:17,793 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [917830641] [2019-10-13 21:22:17,799 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 154 [2019-10-13 21:22:17,843 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:22:17,843 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:22:17,928 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:22:17,929 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-10-13 21:22:17,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:17,934 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:22:17,999 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:22:17,999 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:22:18,005 INFO L553 sIntCurrentIteration]: We unified 152 AI predicates to 152 [2019-10-13 21:22:18,005 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:22:18,006 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:22:18,006 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9, 9, 9] total 14 [2019-10-13 21:22:18,006 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602390824] [2019-10-13 21:22:18,007 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:18,013 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:18,013 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:22:18,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:18,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:18,013 INFO L87 Difference]: Start difference. First operand 720 states and 855 transitions. Second operand 2 states. [2019-10-13 21:22:18,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:18,030 INFO L93 Difference]: Finished difference Result 720 states and 855 transitions. [2019-10-13 21:22:18,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:18,030 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 153 [2019-10-13 21:22:18,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:18,031 INFO L225 Difference]: With dead ends: 720 [2019-10-13 21:22:18,031 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:22:18,032 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:18,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:22:18,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:22:18,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:22:18,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:22:18,033 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2019-10-13 21:22:18,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:18,034 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:22:18,034 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:18,034 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:22:18,034 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:22:18,238 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:18,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:22:18,572 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-13 21:22:18,572 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-10-13 21:22:18,572 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-13 21:22:18,572 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-13 21:22:18,572 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:22:18,573 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-13 21:22:18,573 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:22:18,573 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:22:18,573 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-13 21:22:18,573 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-13 21:22:18,573 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:22:18,573 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-13 21:22:18,573 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-10-13 21:22:18,574 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-13 21:22:18,574 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:22:18,574 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-13 21:22:18,574 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:22:18,574 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-13 21:22:18,574 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 674 680) the Hoare annotation is: true [2019-10-13 21:22:18,574 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 674 680) no Hoare annotation was computed. [2019-10-13 21:22:18,575 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 681 689) no Hoare annotation was computed. [2019-10-13 21:22:18,575 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 681 689) the Hoare annotation is: true [2019-10-13 21:22:18,575 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 681 689) no Hoare annotation was computed. [2019-10-13 21:22:18,575 INFO L443 ceAbstractionStarter]: For program point L417(lines 417 430) no Hoare annotation was computed. [2019-10-13 21:22:18,575 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 409 433) no Hoare annotation was computed. [2019-10-13 21:22:18,575 INFO L446 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: true [2019-10-13 21:22:18,575 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 409 433) the Hoare annotation is: true [2019-10-13 21:22:18,575 INFO L443 ceAbstractionStarter]: For program point L415-1(line 415) no Hoare annotation was computed. [2019-10-13 21:22:18,575 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 409 433) no Hoare annotation was computed. [2019-10-13 21:22:18,576 INFO L446 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2019-10-13 21:22:18,576 INFO L443 ceAbstractionStarter]: For program point L421(lines 421 427) no Hoare annotation was computed. [2019-10-13 21:22:18,576 INFO L446 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: true [2019-10-13 21:22:18,576 INFO L443 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2019-10-13 21:22:18,576 INFO L443 ceAbstractionStarter]: For program point L642-1(lines 642 649) no Hoare annotation was computed. [2019-10-13 21:22:18,576 INFO L443 ceAbstractionStarter]: For program point L640(line 640) no Hoare annotation was computed. [2019-10-13 21:22:18,576 INFO L446 ceAbstractionStarter]: At program point L639(line 639) the Hoare annotation is: true [2019-10-13 21:22:18,576 INFO L446 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: true [2019-10-13 21:22:18,576 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 632 654) the Hoare annotation is: true [2019-10-13 21:22:18,577 INFO L446 ceAbstractionStarter]: At program point L638-1(line 638) the Hoare annotation is: true [2019-10-13 21:22:18,577 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 632 654) no Hoare annotation was computed. [2019-10-13 21:22:18,577 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 632 654) no Hoare annotation was computed. [2019-10-13 21:22:18,577 INFO L446 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: true [2019-10-13 21:22:18,577 INFO L446 ceAbstractionStarter]: At program point L644-1(line 644) the Hoare annotation is: true [2019-10-13 21:22:18,577 INFO L443 ceAbstractionStarter]: For program point L642(lines 642 649) no Hoare annotation was computed. [2019-10-13 21:22:18,578 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 587 610) no Hoare annotation was computed. [2019-10-13 21:22:18,578 INFO L443 ceAbstractionStarter]: For program point L605(line 605) no Hoare annotation was computed. [2019-10-13 21:22:18,578 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 587 610) no Hoare annotation was computed. [2019-10-13 21:22:18,578 INFO L443 ceAbstractionStarter]: For program point L604(line 604) no Hoare annotation was computed. [2019-10-13 21:22:18,578 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 587 610) no Hoare annotation was computed. [2019-10-13 21:22:18,578 INFO L443 ceAbstractionStarter]: For program point L603(line 603) no Hoare annotation was computed. [2019-10-13 21:22:18,578 INFO L443 ceAbstractionStarter]: For program point L602(line 602) no Hoare annotation was computed. [2019-10-13 21:22:18,579 INFO L443 ceAbstractionStarter]: For program point L601(line 601) no Hoare annotation was computed. [2019-10-13 21:22:18,579 INFO L443 ceAbstractionStarter]: For program point L600(line 600) no Hoare annotation was computed. [2019-10-13 21:22:18,579 INFO L443 ceAbstractionStarter]: For program point L599(line 599) no Hoare annotation was computed. [2019-10-13 21:22:18,579 INFO L443 ceAbstractionStarter]: For program point L598(line 598) no Hoare annotation was computed. [2019-10-13 21:22:18,579 INFO L443 ceAbstractionStarter]: For program point L597(line 597) no Hoare annotation was computed. [2019-10-13 21:22:18,579 INFO L443 ceAbstractionStarter]: For program point L596(line 596) no Hoare annotation was computed. [2019-10-13 21:22:18,579 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-10-13 21:22:18,579 INFO L443 ceAbstractionStarter]: For program point L594(line 594) no Hoare annotation was computed. [2019-10-13 21:22:18,579 INFO L443 ceAbstractionStarter]: For program point L593(line 593) no Hoare annotation was computed. [2019-10-13 21:22:18,580 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-10-13 21:22:18,580 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 825 833) no Hoare annotation was computed. [2019-10-13 21:22:18,580 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 825 833) the Hoare annotation is: true [2019-10-13 21:22:18,580 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 825 833) no Hoare annotation was computed. [2019-10-13 21:22:18,580 INFO L446 ceAbstractionStarter]: At program point L896(line 896) the Hoare annotation is: true [2019-10-13 21:22:18,580 INFO L443 ceAbstractionStarter]: For program point L898-2(lines 898 902) no Hoare annotation was computed. [2019-10-13 21:22:18,580 INFO L443 ceAbstractionStarter]: For program point L896-1(line 896) no Hoare annotation was computed. [2019-10-13 21:22:18,580 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 889 907) the Hoare annotation is: true [2019-10-13 21:22:18,580 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 889 907) no Hoare annotation was computed. [2019-10-13 21:22:18,580 INFO L443 ceAbstractionStarter]: For program point L898(lines 898 902) no Hoare annotation was computed. [2019-10-13 21:22:18,581 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 889 907) no Hoare annotation was computed. [2019-10-13 21:22:18,581 INFO L443 ceAbstractionStarter]: For program point L864(line 864) no Hoare annotation was computed. [2019-10-13 21:22:18,581 INFO L443 ceAbstractionStarter]: For program point L864-1(line 864) no Hoare annotation was computed. [2019-10-13 21:22:18,581 INFO L443 ceAbstractionStarter]: For program point L853(lines 853 861) no Hoare annotation was computed. [2019-10-13 21:22:18,581 INFO L443 ceAbstractionStarter]: For program point L853-2(lines 853 861) no Hoare annotation was computed. [2019-10-13 21:22:18,581 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 834 869) no Hoare annotation was computed. [2019-10-13 21:22:18,581 INFO L443 ceAbstractionStarter]: For program point L841(lines 841 849) no Hoare annotation was computed. [2019-10-13 21:22:18,581 INFO L443 ceAbstractionStarter]: For program point L841-2(lines 841 849) no Hoare annotation was computed. [2019-10-13 21:22:18,581 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 834 869) no Hoare annotation was computed. [2019-10-13 21:22:18,582 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 834 869) no Hoare annotation was computed. [2019-10-13 21:22:18,582 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 667 673) no Hoare annotation was computed. [2019-10-13 21:22:18,582 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 667 673) the Hoare annotation is: true [2019-10-13 21:22:18,582 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:22:18,582 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:22:18,582 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:22:18,582 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-10-13 21:22:18,582 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:22:18,582 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-10-13 21:22:18,583 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-10-13 21:22:18,583 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:22:18,583 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:22:18,583 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 619 628) the Hoare annotation is: true [2019-10-13 21:22:18,583 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 619 628) no Hoare annotation was computed. [2019-10-13 21:22:18,583 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 619 628) no Hoare annotation was computed. [2019-10-13 21:22:18,583 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 814 824) the Hoare annotation is: true [2019-10-13 21:22:18,583 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 814 824) no Hoare annotation was computed. [2019-10-13 21:22:18,583 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 814 824) no Hoare annotation was computed. [2019-10-13 21:22:18,584 INFO L446 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2019-10-13 21:22:18,584 INFO L443 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2019-10-13 21:22:18,584 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 806 813) the Hoare annotation is: true [2019-10-13 21:22:18,584 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 806 813) no Hoare annotation was computed. [2019-10-13 21:22:18,584 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 806 813) no Hoare annotation was computed. [2019-10-13 21:22:18,584 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2019-10-13 21:22:18,584 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 530 543) no Hoare annotation was computed. [2019-10-13 21:22:18,584 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 530 543) the Hoare annotation is: true [2019-10-13 21:22:18,584 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 530 543) no Hoare annotation was computed. [2019-10-13 21:22:18,585 INFO L446 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: true [2019-10-13 21:22:18,585 INFO L446 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: true [2019-10-13 21:22:18,585 INFO L443 ceAbstractionStarter]: For program point L763(lines 763 771) no Hoare annotation was computed. [2019-10-13 21:22:18,585 INFO L446 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: true [2019-10-13 21:22:18,585 INFO L443 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2019-10-13 21:22:18,585 INFO L443 ceAbstractionStarter]: For program point L759(lines 759 776) no Hoare annotation was computed. [2019-10-13 21:22:18,585 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 755 779) no Hoare annotation was computed. [2019-10-13 21:22:18,585 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 755 779) the Hoare annotation is: true [2019-10-13 21:22:18,585 INFO L446 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: true [2019-10-13 21:22:18,586 INFO L443 ceAbstractionStarter]: For program point L774-1(lines 755 779) no Hoare annotation was computed. [2019-10-13 21:22:18,586 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 721 727) no Hoare annotation was computed. [2019-10-13 21:22:18,586 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 721 727) the Hoare annotation is: true [2019-10-13 21:22:18,586 INFO L443 ceAbstractionStarter]: For program point L929(lines 929 933) no Hoare annotation was computed. [2019-10-13 21:22:18,586 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 917 982) the Hoare annotation is: true [2019-10-13 21:22:18,586 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 917 982) no Hoare annotation was computed. [2019-10-13 21:22:18,586 INFO L446 ceAbstractionStarter]: At program point L975(lines 926 976) the Hoare annotation is: true [2019-10-13 21:22:18,586 INFO L443 ceAbstractionStarter]: For program point L965(lines 965 969) no Hoare annotation was computed. [2019-10-13 21:22:18,587 INFO L446 ceAbstractionStarter]: At program point L965-2(lines 957 970) the Hoare annotation is: true [2019-10-13 21:22:18,587 INFO L443 ceAbstractionStarter]: For program point L928(lines 927 974) no Hoare annotation was computed. [2019-10-13 21:22:18,587 INFO L446 ceAbstractionStarter]: At program point L959(line 959) the Hoare annotation is: true [2019-10-13 21:22:18,587 INFO L443 ceAbstractionStarter]: For program point L957(lines 957 970) no Hoare annotation was computed. [2019-10-13 21:22:18,587 INFO L446 ceAbstractionStarter]: At program point L949(line 949) the Hoare annotation is: true [2019-10-13 21:22:18,587 INFO L443 ceAbstractionStarter]: For program point L947(lines 947 953) no Hoare annotation was computed. [2019-10-13 21:22:18,587 INFO L443 ceAbstractionStarter]: For program point L947-1(lines 947 953) no Hoare annotation was computed. [2019-10-13 21:22:18,587 INFO L446 ceAbstractionStarter]: At program point L972(lines 927 974) the Hoare annotation is: true [2019-10-13 21:22:18,587 INFO L446 ceAbstractionStarter]: At program point L939(line 939) the Hoare annotation is: true [2019-10-13 21:22:18,588 INFO L443 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2019-10-13 21:22:18,588 INFO L443 ceAbstractionStarter]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2019-10-13 21:22:18,588 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 917 982) no Hoare annotation was computed. [2019-10-13 21:22:18,588 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:22:18,588 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:22:18,588 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:22:18,588 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-10-13 21:22:18,588 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-10-13 21:22:18,588 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-10-13 21:22:18,589 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 780 787) the Hoare annotation is: true [2019-10-13 21:22:18,589 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 780 787) no Hoare annotation was computed. [2019-10-13 21:22:18,589 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 780 787) no Hoare annotation was computed. [2019-10-13 21:22:18,589 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 544 552) no Hoare annotation was computed. [2019-10-13 21:22:18,589 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 544 552) the Hoare annotation is: true [2019-10-13 21:22:18,589 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 544 552) no Hoare annotation was computed. [2019-10-13 21:22:18,589 INFO L443 ceAbstractionStarter]: For program point L506(lines 506 514) no Hoare annotation was computed. [2019-10-13 21:22:18,589 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 498 520) no Hoare annotation was computed. [2019-10-13 21:22:18,590 INFO L443 ceAbstractionStarter]: For program point L506-2(lines 506 514) no Hoare annotation was computed. [2019-10-13 21:22:18,590 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 498 520) no Hoare annotation was computed. [2019-10-13 21:22:18,590 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 498 520) no Hoare annotation was computed. [2019-10-13 21:22:18,590 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-13 21:22:18,590 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:22:18,590 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-13 21:22:18,590 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-13 21:22:18,591 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-13 21:22:18,591 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-10-13 21:22:18,591 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:22:18,591 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-10-13 21:22:18,591 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-13 21:22:18,591 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-13 21:22:18,591 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:22:18,591 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-13 21:22:18,592 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-10-13 21:22:18,592 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-13 21:22:18,592 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-13 21:22:18,592 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-13 21:22:18,593 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 657 666) no Hoare annotation was computed. [2019-10-13 21:22:18,593 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 657 666) no Hoare annotation was computed. [2019-10-13 21:22:18,593 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 657 666) no Hoare annotation was computed. [2019-10-13 21:22:18,593 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:18,593 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-13 21:22:18,593 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:18,593 INFO L446 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: true [2019-10-13 21:22:18,593 INFO L443 ceAbstractionStarter]: For program point L800-1(lines 789 805) no Hoare annotation was computed. [2019-10-13 21:22:18,594 INFO L443 ceAbstractionStarter]: For program point L796(lines 796 802) no Hoare annotation was computed. [2019-10-13 21:22:18,594 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 789 805) no Hoare annotation was computed. [2019-10-13 21:22:18,594 INFO L446 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: true [2019-10-13 21:22:18,594 INFO L443 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2019-10-13 21:22:18,594 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 789 805) the Hoare annotation is: true [2019-10-13 21:22:18,594 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 521 529) the Hoare annotation is: true [2019-10-13 21:22:18,594 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 521 529) no Hoare annotation was computed. [2019-10-13 21:22:18,594 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 521 529) no Hoare annotation was computed. [2019-10-13 21:22:18,595 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 870 888) no Hoare annotation was computed. [2019-10-13 21:22:18,595 INFO L443 ceAbstractionStarter]: For program point L879(lines 879 883) no Hoare annotation was computed. [2019-10-13 21:22:18,595 INFO L446 ceAbstractionStarter]: At program point L877(line 877) the Hoare annotation is: true [2019-10-13 21:22:18,595 INFO L443 ceAbstractionStarter]: For program point L879-2(lines 879 883) no Hoare annotation was computed. [2019-10-13 21:22:18,595 INFO L443 ceAbstractionStarter]: For program point L877-1(line 877) no Hoare annotation was computed. [2019-10-13 21:22:18,596 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 870 888) the Hoare annotation is: true [2019-10-13 21:22:18,596 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 870 888) no Hoare annotation was computed. [2019-10-13 21:22:18,596 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:18,596 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:22:18,596 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:18,596 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 477 488) no Hoare annotation was computed. [2019-10-13 21:22:18,597 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 477 488) the Hoare annotation is: true [2019-10-13 21:22:18,597 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 477 488) no Hoare annotation was computed. [2019-10-13 21:22:18,597 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 489 497) the Hoare annotation is: true [2019-10-13 21:22:18,597 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 489 497) no Hoare annotation was computed. [2019-10-13 21:22:18,597 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 489 497) no Hoare annotation was computed. [2019-10-13 21:22:18,597 INFO L446 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: true [2019-10-13 21:22:18,597 INFO L443 ceAbstractionStarter]: For program point L701(lines 700 719) no Hoare annotation was computed. [2019-10-13 21:22:18,597 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 697 720) the Hoare annotation is: true [2019-10-13 21:22:18,598 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 697 720) no Hoare annotation was computed. [2019-10-13 21:22:18,598 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 697 720) no Hoare annotation was computed. [2019-10-13 21:22:18,598 INFO L446 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2019-10-13 21:22:18,598 INFO L446 ceAbstractionStarter]: At program point L708(lines 708 714) the Hoare annotation is: true [2019-10-13 21:22:18,598 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-10-13 21:22:18,598 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 556 585) no Hoare annotation was computed. [2019-10-13 21:22:18,599 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 556 585) the Hoare annotation is: true [2019-10-13 21:22:18,599 INFO L443 ceAbstractionStarter]: For program point L570(lines 570 574) no Hoare annotation was computed. [2019-10-13 21:22:18,599 INFO L446 ceAbstractionStarter]: At program point L570-1(lines 570 574) the Hoare annotation is: true [2019-10-13 21:22:18,599 INFO L443 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2019-10-13 21:22:18,600 INFO L446 ceAbstractionStarter]: At program point L566-2(lines 566 580) the Hoare annotation is: true [2019-10-13 21:22:18,600 INFO L446 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: true [2019-10-13 21:22:18,600 INFO L443 ceAbstractionStarter]: For program point L562-1(line 562) no Hoare annotation was computed. [2019-10-13 21:22:18,600 INFO L446 ceAbstractionStarter]: At program point L581(lines 556 585) the Hoare annotation is: true [2019-10-13 21:22:18,600 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 453 464) the Hoare annotation is: true [2019-10-13 21:22:18,600 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 453 464) no Hoare annotation was computed. [2019-10-13 21:22:18,600 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 453 464) no Hoare annotation was computed. [2019-10-13 21:22:18,600 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 611 617) no Hoare annotation was computed. [2019-10-13 21:22:18,601 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 611 617) the Hoare annotation is: true [2019-10-13 21:22:18,601 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:18,601 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:22:18,601 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:18,601 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:18,601 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 908 915) no Hoare annotation was computed. [2019-10-13 21:22:18,601 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 908 915) the Hoare annotation is: true [2019-10-13 21:22:18,602 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 908 915) no Hoare annotation was computed. [2019-10-13 21:22:18,602 INFO L443 ceAbstractionStarter]: For program point L737(lines 737 745) no Hoare annotation was computed. [2019-10-13 21:22:18,602 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 729 753) the Hoare annotation is: true [2019-10-13 21:22:18,602 INFO L446 ceAbstractionStarter]: At program point L735(line 735) the Hoare annotation is: true [2019-10-13 21:22:18,602 INFO L443 ceAbstractionStarter]: For program point L735-1(line 735) no Hoare annotation was computed. [2019-10-13 21:22:18,602 INFO L443 ceAbstractionStarter]: For program point L733(lines 733 750) no Hoare annotation was computed. [2019-10-13 21:22:18,602 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 729 753) no Hoare annotation was computed. [2019-10-13 21:22:18,603 INFO L446 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: true [2019-10-13 21:22:18,603 INFO L443 ceAbstractionStarter]: For program point L748-1(lines 729 753) no Hoare annotation was computed. [2019-10-13 21:22:18,603 INFO L446 ceAbstractionStarter]: At program point L743(line 743) the Hoare annotation is: true [2019-10-13 21:22:18,603 INFO L446 ceAbstractionStarter]: At program point L739(line 739) the Hoare annotation is: true [2019-10-13 21:22:18,603 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 465 476) no Hoare annotation was computed. [2019-10-13 21:22:18,603 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 465 476) no Hoare annotation was computed. [2019-10-13 21:22:18,603 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 465 476) the Hoare annotation is: true [2019-10-13 21:22:18,603 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 435 442) no Hoare annotation was computed. [2019-10-13 21:22:18,603 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 435 442) the Hoare annotation is: true [2019-10-13 21:22:18,604 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-10-13 21:22:18,604 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 435 442) no Hoare annotation was computed. [2019-10-13 21:22:18,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:22:18 BoogieIcfgContainer [2019-10-13 21:22:18,615 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:22:18,618 INFO L168 Benchmark]: Toolchain (without parser) took 10515.65 ms. Allocated memory was 145.8 MB in the beginning and 368.1 MB in the end (delta: 222.3 MB). Free memory was 102.7 MB in the beginning and 129.4 MB in the end (delta: -26.7 MB). Peak memory consumption was 195.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:18,618 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory is still 121.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-13 21:22:18,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.70 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.7 MB in the beginning and 169.8 MB in the end (delta: -67.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:18,629 INFO L168 Benchmark]: Boogie Preprocessor took 77.07 ms. Allocated memory is still 203.4 MB. Free memory was 169.8 MB in the beginning and 164.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:18,630 INFO L168 Benchmark]: RCFGBuilder took 1106.54 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 164.9 MB in the beginning and 191.0 MB in the end (delta: -26.1 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:18,631 INFO L168 Benchmark]: TraceAbstraction took 8659.65 ms. Allocated memory was 235.4 MB in the beginning and 368.1 MB in the end (delta: 132.6 MB). Free memory was 191.0 MB in the beginning and 129.4 MB in the end (delta: 61.6 MB). Peak memory consumption was 194.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:18,637 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory is still 121.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 664.70 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.7 MB in the beginning and 169.8 MB in the end (delta: -67.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 77.07 ms. Allocated memory is still 203.4 MB. Free memory was 169.8 MB in the beginning and 164.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1106.54 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 164.9 MB in the beginning and 191.0 MB in the end (delta: -26.1 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8659.65 ms. Allocated memory was 235.4 MB in the beginning and 368.1 MB in the end (delta: 132.6 MB). Free memory was 191.0 MB in the beginning and 129.4 MB in the end (delta: 61.6 MB). Peak memory consumption was 194.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: 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: 926]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 246 locations, 1 error locations. Result: SAFE, OverallTime: 8.5s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 1735 SDtfs, 1519 SDslu, 4676 SDs, 0 SdLazy, 1784 SolverSat, 655 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 835 GetRequests, 755 SyntacticMatches, 5 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=869occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 129 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 1391 PreInvPairs, 1392 NumberOfFragments, 72 HoareAnnotationTreeSize, 1391 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 66 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1538 NumberOfCodeBlocks, 1538 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1957 ConstructedInterpolants, 0 QuantifiedInterpolants, 399303 SizeOfPredicates, 15 NumberOfNonLiveVariables, 2641 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 17 InterpolantComputations, 10 PerfectInterpolantSequences, 318/365 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 135, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.875, 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...