./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product59_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_da880999-cac0-4bad-aa2c-6a87bc2c2006/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_da880999-cac0-4bad-aa2c-6a87bc2c2006/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_da880999-cac0-4bad-aa2c-6a87bc2c2006/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_da880999-cac0-4bad-aa2c-6a87bc2c2006/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product59_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_da880999-cac0-4bad-aa2c-6a87bc2c2006/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_da880999-cac0-4bad-aa2c-6a87bc2c2006/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 216d00aaae39a5385dce6e868b43ee8cd776a043 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 17:56:35,830 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 17:56:35,831 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 17:56:35,839 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 17:56:35,839 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 17:56:35,840 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 17:56:35,840 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 17:56:35,842 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 17:56:35,843 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 17:56:35,843 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 17:56:35,844 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 17:56:35,844 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 17:56:35,845 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 17:56:35,845 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 17:56:35,846 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 17:56:35,846 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 17:56:35,847 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 17:56:35,847 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 17:56:35,849 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 17:56:35,849 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 17:56:35,850 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 17:56:35,851 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 17:56:35,852 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 17:56:35,852 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 17:56:35,852 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 17:56:35,852 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 17:56:35,853 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 17:56:35,853 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 17:56:35,853 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 17:56:35,854 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 17:56:35,854 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 17:56:35,854 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 17:56:35,854 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 17:56:35,855 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 17:56:35,855 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 17:56:35,855 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 17:56:35,855 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_da880999-cac0-4bad-aa2c-6a87bc2c2006/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 17:56:35,865 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 17:56:35,865 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 17:56:35,866 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 17:56:35,866 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 17:56:35,867 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 17:56:35,867 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 17:56:35,867 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 17:56:35,867 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 17:56:35,867 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 17:56:35,867 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 17:56:35,868 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 17:56:35,868 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 17:56:35,868 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 17:56:35,868 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 17:56:35,868 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 17:56:35,868 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 17:56:35,868 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 17:56:35,869 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 17:56:35,869 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 17:56:35,869 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 17:56:35,869 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 17:56:35,869 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 17:56:35,869 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 17:56:35,870 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 17:56:35,870 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 17:56:35,870 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 17:56:35,870 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 17:56:35,870 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 17:56:35,870 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 17:56:35,870 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 17:56:35,870 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_da880999-cac0-4bad-aa2c-6a87bc2c2006/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 216d00aaae39a5385dce6e868b43ee8cd776a043 [2018-12-01 17:56:35,893 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 17:56:35,902 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 17:56:35,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 17:56:35,906 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 17:56:35,906 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 17:56:35,907 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_da880999-cac0-4bad-aa2c-6a87bc2c2006/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product59_true-unreach-call_false-termination.cil.c [2018-12-01 17:56:35,948 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_da880999-cac0-4bad-aa2c-6a87bc2c2006/bin-2019/uautomizer/data/181f9e0d8/c662938cb4f64fb3bfe82bea73600e7a/FLAG187bb79fd [2018-12-01 17:56:36,386 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 17:56:36,386 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_da880999-cac0-4bad-aa2c-6a87bc2c2006/sv-benchmarks/c/product-lines/minepump_spec1_product59_true-unreach-call_false-termination.cil.c [2018-12-01 17:56:36,393 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_da880999-cac0-4bad-aa2c-6a87bc2c2006/bin-2019/uautomizer/data/181f9e0d8/c662938cb4f64fb3bfe82bea73600e7a/FLAG187bb79fd [2018-12-01 17:56:36,401 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_da880999-cac0-4bad-aa2c-6a87bc2c2006/bin-2019/uautomizer/data/181f9e0d8/c662938cb4f64fb3bfe82bea73600e7a [2018-12-01 17:56:36,403 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 17:56:36,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 17:56:36,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 17:56:36,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 17:56:36,407 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 17:56:36,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:56:36" (1/1) ... [2018-12-01 17:56:36,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:36, skipping insertion in model container [2018-12-01 17:56:36,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:56:36" (1/1) ... [2018-12-01 17:56:36,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 17:56:36,434 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 17:56:36,582 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:56:36,627 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 17:56:36,685 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:56:36,704 INFO L195 MainTranslator]: Completed translation [2018-12-01 17:56:36,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:36 WrapperNode [2018-12-01 17:56:36,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 17:56:36,705 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 17:56:36,705 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 17:56:36,705 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 17:56:36,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:36" (1/1) ... [2018-12-01 17:56:36,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:36" (1/1) ... [2018-12-01 17:56:36,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 17:56:36,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 17:56:36,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 17:56:36,726 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 17:56:36,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:36" (1/1) ... [2018-12-01 17:56:36,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:36" (1/1) ... [2018-12-01 17:56:36,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:36" (1/1) ... [2018-12-01 17:56:36,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:36" (1/1) ... [2018-12-01 17:56:36,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:36" (1/1) ... [2018-12-01 17:56:36,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:36" (1/1) ... [2018-12-01 17:56:36,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:36" (1/1) ... [2018-12-01 17:56:36,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 17:56:36,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 17:56:36,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 17:56:36,748 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 17:56:36,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_da880999-cac0-4bad-aa2c-6a87bc2c2006/bin-2019/uautomizer/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 [2018-12-01 17:56:36,780 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-01 17:56:36,780 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-01 17:56:36,780 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 17:56:36,780 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 17:56:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-01 17:56:36,781 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-01 17:56:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-01 17:56:36,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-01 17:56:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 17:56:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-01 17:56:36,781 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-01 17:56:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-01 17:56:36,781 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-01 17:56:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-01 17:56:36,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-01 17:56:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 17:56:36,781 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 17:56:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-01 17:56:36,781 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-01 17:56:36,782 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-01 17:56:36,782 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-01 17:56:36,782 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-01 17:56:36,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-01 17:56:36,782 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-01 17:56:36,782 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-01 17:56:36,782 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-01 17:56:36,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-01 17:56:36,782 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 17:56:36,782 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 17:56:36,783 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 17:56:36,783 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 17:56:36,783 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 17:56:36,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 17:56:36,783 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-01 17:56:36,783 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-01 17:56:36,783 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 17:56:36,783 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 17:56:36,783 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 17:56:36,783 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 17:56:36,783 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-01 17:56:36,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-01 17:56:36,783 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-01 17:56:36,783 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-01 17:56:36,783 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-01 17:56:36,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-01 17:56:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-01 17:56:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-01 17:56:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-01 17:56:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-01 17:56:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-01 17:56:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-01 17:56:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 17:56:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 17:56:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 17:56:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 17:56:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 17:56:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-01 17:56:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-01 17:56:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 17:56:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 17:56:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-01 17:56:36,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-01 17:56:37,098 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 17:56:37,099 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-01 17:56:37,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:56:37 BoogieIcfgContainer [2018-12-01 17:56:37,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 17:56:37,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 17:56:37,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 17:56:37,102 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 17:56:37,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 05:56:36" (1/3) ... [2018-12-01 17:56:37,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e3076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 05:56:37, skipping insertion in model container [2018-12-01 17:56:37,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:56:36" (2/3) ... [2018-12-01 17:56:37,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e3076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 05:56:37, skipping insertion in model container [2018-12-01 17:56:37,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:56:37" (3/3) ... [2018-12-01 17:56:37,105 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product59_true-unreach-call_false-termination.cil.c [2018-12-01 17:56:37,113 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 17:56:37,119 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 17:56:37,131 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 17:56:37,148 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 17:56:37,148 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 17:56:37,148 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 17:56:37,148 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 17:56:37,148 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 17:56:37,148 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 17:56:37,148 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 17:56:37,149 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 17:56:37,149 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 17:56:37,160 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2018-12-01 17:56:37,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 17:56:37,165 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:56:37,166 INFO L402 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] [2018-12-01 17:56:37,167 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:56:37,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:56:37,171 INFO L82 PathProgramCache]: Analyzing trace with hash 752822199, now seen corresponding path program 1 times [2018-12-01 17:56:37,172 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:56:37,172 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:56:37,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:56:37,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:56:37,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:56:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:56:37,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:56:37,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:56:37,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 17:56:37,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 17:56:37,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 17:56:37,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 17:56:37,317 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 2 states. [2018-12-01 17:56:37,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:56:37,342 INFO L93 Difference]: Finished difference Result 292 states and 361 transitions. [2018-12-01 17:56:37,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 17:56:37,343 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-01 17:56:37,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:56:37,350 INFO L225 Difference]: With dead ends: 292 [2018-12-01 17:56:37,350 INFO L226 Difference]: Without dead ends: 146 [2018-12-01 17:56:37,352 INFO L631 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 [2018-12-01 17:56:37,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-12-01 17:56:37,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-12-01 17:56:37,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-12-01 17:56:37,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2018-12-01 17:56:37,383 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 46 [2018-12-01 17:56:37,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:56:37,383 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2018-12-01 17:56:37,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 17:56:37,383 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2018-12-01 17:56:37,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 17:56:37,385 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:56:37,385 INFO L402 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] [2018-12-01 17:56:37,385 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:56:37,386 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:56:37,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1689313563, now seen corresponding path program 1 times [2018-12-01 17:56:37,386 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:56:37,386 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:56:37,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:56:37,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:56:37,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:56:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:56:37,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:56:37,438 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:56:37,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 17:56:37,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 17:56:37,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 17:56:37,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 17:56:37,440 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 3 states. [2018-12-01 17:56:37,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:56:37,459 INFO L93 Difference]: Finished difference Result 235 states and 275 transitions. [2018-12-01 17:56:37,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 17:56:37,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-01 17:56:37,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:56:37,460 INFO L225 Difference]: With dead ends: 235 [2018-12-01 17:56:37,461 INFO L226 Difference]: Without dead ends: 137 [2018-12-01 17:56:37,461 INFO L631 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 [2018-12-01 17:56:37,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-12-01 17:56:37,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-12-01 17:56:37,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-12-01 17:56:37,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2018-12-01 17:56:37,469 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 47 [2018-12-01 17:56:37,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:56:37,469 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2018-12-01 17:56:37,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 17:56:37,469 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2018-12-01 17:56:37,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 17:56:37,470 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:56:37,470 INFO L402 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] [2018-12-01 17:56:37,470 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:56:37,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:56:37,471 INFO L82 PathProgramCache]: Analyzing trace with hash -2056846747, now seen corresponding path program 1 times [2018-12-01 17:56:37,471 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:56:37,471 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:56:37,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:56:37,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:56:37,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:56:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:56:37,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:56:37,537 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:56:37,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 17:56:37,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 17:56:37,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 17:56:37,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-01 17:56:37,538 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand 7 states. [2018-12-01 17:56:37,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:56:37,761 INFO L93 Difference]: Finished difference Result 413 states and 498 transitions. [2018-12-01 17:56:37,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 17:56:37,761 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-01 17:56:37,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:56:37,764 INFO L225 Difference]: With dead ends: 413 [2018-12-01 17:56:37,764 INFO L226 Difference]: Without dead ends: 300 [2018-12-01 17:56:37,765 INFO L631 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 [2018-12-01 17:56:37,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2018-12-01 17:56:37,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 292. [2018-12-01 17:56:37,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2018-12-01 17:56:37,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 352 transitions. [2018-12-01 17:56:37,784 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 352 transitions. Word has length 51 [2018-12-01 17:56:37,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:56:37,785 INFO L480 AbstractCegarLoop]: Abstraction has 292 states and 352 transitions. [2018-12-01 17:56:37,785 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 17:56:37,785 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 352 transitions. [2018-12-01 17:56:37,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-01 17:56:37,786 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:56:37,786 INFO L402 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] [2018-12-01 17:56:37,786 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:56:37,787 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:56:37,787 INFO L82 PathProgramCache]: Analyzing trace with hash 584544480, now seen corresponding path program 1 times [2018-12-01 17:56:37,787 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:56:37,787 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:56:37,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:56:37,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:56:37,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:56:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:56:37,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:56:37,849 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:56:37,849 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 17:56:37,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 17:56:37,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 17:56:37,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 17:56:37,850 INFO L87 Difference]: Start difference. First operand 292 states and 352 transitions. Second operand 6 states. [2018-12-01 17:56:37,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:56:37,973 INFO L93 Difference]: Finished difference Result 813 states and 1004 transitions. [2018-12-01 17:56:37,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 17:56:37,974 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-01 17:56:37,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:56:37,976 INFO L225 Difference]: With dead ends: 813 [2018-12-01 17:56:37,976 INFO L226 Difference]: Without dead ends: 545 [2018-12-01 17:56:37,977 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-01 17:56:37,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2018-12-01 17:56:38,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 539. [2018-12-01 17:56:38,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-12-01 17:56:38,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 654 transitions. [2018-12-01 17:56:38,005 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 654 transitions. Word has length 57 [2018-12-01 17:56:38,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:56:38,005 INFO L480 AbstractCegarLoop]: Abstraction has 539 states and 654 transitions. [2018-12-01 17:56:38,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 17:56:38,005 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 654 transitions. [2018-12-01 17:56:38,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 17:56:38,007 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:56:38,007 INFO L402 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] [2018-12-01 17:56:38,007 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:56:38,007 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:56:38,008 INFO L82 PathProgramCache]: Analyzing trace with hash -276809948, now seen corresponding path program 1 times [2018-12-01 17:56:38,008 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:56:38,008 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:56:38,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:56:38,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:56:38,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:56:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:56:38,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:56:38,062 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:56:38,062 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 17:56:38,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 17:56:38,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 17:56:38,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-01 17:56:38,062 INFO L87 Difference]: Start difference. First operand 539 states and 654 transitions. Second operand 7 states. [2018-12-01 17:56:38,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:56:38,485 INFO L93 Difference]: Finished difference Result 1380 states and 1791 transitions. [2018-12-01 17:56:38,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-01 17:56:38,485 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-01 17:56:38,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:56:38,488 INFO L225 Difference]: With dead ends: 1380 [2018-12-01 17:56:38,488 INFO L226 Difference]: Without dead ends: 865 [2018-12-01 17:56:38,489 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-01 17:56:38,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2018-12-01 17:56:38,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 769. [2018-12-01 17:56:38,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states. [2018-12-01 17:56:38,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 931 transitions. [2018-12-01 17:56:38,518 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 931 transitions. Word has length 61 [2018-12-01 17:56:38,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:56:38,518 INFO L480 AbstractCegarLoop]: Abstraction has 769 states and 931 transitions. [2018-12-01 17:56:38,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 17:56:38,519 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 931 transitions. [2018-12-01 17:56:38,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-01 17:56:38,520 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:56:38,520 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:56:38,520 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:56:38,521 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:56:38,521 INFO L82 PathProgramCache]: Analyzing trace with hash -226416114, now seen corresponding path program 1 times [2018-12-01 17:56:38,521 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:56:38,521 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:56:38,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:56:38,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:56:38,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:56:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:56:38,558 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:56:38,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:56:38,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 17:56:38,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 17:56:38,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 17:56:38,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 17:56:38,559 INFO L87 Difference]: Start difference. First operand 769 states and 931 transitions. Second operand 6 states. [2018-12-01 17:56:38,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:56:38,592 INFO L93 Difference]: Finished difference Result 1542 states and 1926 transitions. [2018-12-01 17:56:38,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 17:56:38,593 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2018-12-01 17:56:38,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:56:38,595 INFO L225 Difference]: With dead ends: 1542 [2018-12-01 17:56:38,595 INFO L226 Difference]: Without dead ends: 797 [2018-12-01 17:56:38,597 INFO L631 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 [2018-12-01 17:56:38,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2018-12-01 17:56:38,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 789. [2018-12-01 17:56:38,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2018-12-01 17:56:38,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 951 transitions. [2018-12-01 17:56:38,621 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 951 transitions. Word has length 98 [2018-12-01 17:56:38,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:56:38,621 INFO L480 AbstractCegarLoop]: Abstraction has 789 states and 951 transitions. [2018-12-01 17:56:38,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 17:56:38,621 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 951 transitions. [2018-12-01 17:56:38,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-01 17:56:38,623 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:56:38,623 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:56:38,623 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:56:38,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:56:38,623 INFO L82 PathProgramCache]: Analyzing trace with hash 667070224, now seen corresponding path program 1 times [2018-12-01 17:56:38,624 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:56:38,624 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:56:38,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:56:38,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:56:38,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:56:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:56:38,686 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:56:38,686 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:56:38,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-01 17:56:38,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 17:56:38,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 17:56:38,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-01 17:56:38,687 INFO L87 Difference]: Start difference. First operand 789 states and 951 transitions. Second operand 8 states. [2018-12-01 17:56:38,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:56:38,723 INFO L93 Difference]: Finished difference Result 1582 states and 1966 transitions. [2018-12-01 17:56:38,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 17:56:38,724 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2018-12-01 17:56:38,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:56:38,726 INFO L225 Difference]: With dead ends: 1582 [2018-12-01 17:56:38,726 INFO L226 Difference]: Without dead ends: 817 [2018-12-01 17:56:38,728 INFO L631 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 [2018-12-01 17:56:38,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2018-12-01 17:56:38,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 805. [2018-12-01 17:56:38,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 805 states. [2018-12-01 17:56:38,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 967 transitions. [2018-12-01 17:56:38,750 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 967 transitions. Word has length 98 [2018-12-01 17:56:38,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:56:38,751 INFO L480 AbstractCegarLoop]: Abstraction has 805 states and 967 transitions. [2018-12-01 17:56:38,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 17:56:38,751 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 967 transitions. [2018-12-01 17:56:38,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-01 17:56:38,752 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:56:38,752 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:56:38,752 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:56:38,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:56:38,752 INFO L82 PathProgramCache]: Analyzing trace with hash 659310865, now seen corresponding path program 1 times [2018-12-01 17:56:38,753 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:56:38,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:56:38,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:56:38,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:56:38,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:56:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:56:38,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:56:38,807 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:56:38,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 17:56:38,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 17:56:38,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 17:56:38,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 17:56:38,808 INFO L87 Difference]: Start difference. First operand 805 states and 967 transitions. Second operand 4 states. [2018-12-01 17:56:38,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:56:38,954 INFO L93 Difference]: Finished difference Result 2547 states and 3210 transitions. [2018-12-01 17:56:38,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-01 17:56:38,955 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-12-01 17:56:38,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:56:38,961 INFO L225 Difference]: With dead ends: 2547 [2018-12-01 17:56:38,961 INFO L226 Difference]: Without dead ends: 1766 [2018-12-01 17:56:38,964 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 17:56:38,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1766 states. [2018-12-01 17:56:39,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1766 to 1735. [2018-12-01 17:56:39,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1735 states. [2018-12-01 17:56:39,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1735 states and 2139 transitions. [2018-12-01 17:56:39,033 INFO L78 Accepts]: Start accepts. Automaton has 1735 states and 2139 transitions. Word has length 98 [2018-12-01 17:56:39,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:56:39,033 INFO L480 AbstractCegarLoop]: Abstraction has 1735 states and 2139 transitions. [2018-12-01 17:56:39,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 17:56:39,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2139 transitions. [2018-12-01 17:56:39,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 17:56:39,035 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:56:39,036 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:56:39,036 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:56:39,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:56:39,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1469595243, now seen corresponding path program 1 times [2018-12-01 17:56:39,036 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:56:39,036 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:56:39,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:56:39,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:56:39,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:56:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:56:39,126 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 17:56:39,126 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:56:39,126 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_da880999-cac0-4bad-aa2c-6a87bc2c2006/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 17:56:39,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:56:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:56:39,217 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:56:39,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:56:39,371 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 17:56:39,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-01 17:56:39,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-01 17:56:39,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-01 17:56:39,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-01 17:56:39,372 INFO L87 Difference]: Start difference. First operand 1735 states and 2139 transitions. Second operand 19 states. [2018-12-01 17:56:40,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:56:40,035 INFO L93 Difference]: Finished difference Result 3416 states and 4258 transitions. [2018-12-01 17:56:40,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-01 17:56:40,035 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 102 [2018-12-01 17:56:40,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:56:40,042 INFO L225 Difference]: With dead ends: 3416 [2018-12-01 17:56:40,042 INFO L226 Difference]: Without dead ends: 1705 [2018-12-01 17:56:40,046 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-01 17:56:40,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2018-12-01 17:56:40,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1705. [2018-12-01 17:56:40,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1705 states. [2018-12-01 17:56:40,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 2057 transitions. [2018-12-01 17:56:40,120 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 2057 transitions. Word has length 102 [2018-12-01 17:56:40,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:56:40,121 INFO L480 AbstractCegarLoop]: Abstraction has 1705 states and 2057 transitions. [2018-12-01 17:56:40,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-01 17:56:40,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 2057 transitions. [2018-12-01 17:56:40,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-01 17:56:40,124 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:56:40,124 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:56:40,125 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:56:40,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:56:40,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1470552784, now seen corresponding path program 1 times [2018-12-01 17:56:40,125 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:56:40,125 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:56:40,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:56:40,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:56:40,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:56:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:56:40,193 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 17:56:40,193 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:56:40,193 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_da880999-cac0-4bad-aa2c-6a87bc2c2006/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 17:56:40,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:56:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:56:40,273 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:56:40,297 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:56:40,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 17:56:40,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-12-01 17:56:40,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 17:56:40,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 17:56:40,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-01 17:56:40,315 INFO L87 Difference]: Start difference. First operand 1705 states and 2057 transitions. Second operand 6 states. [2018-12-01 17:56:40,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:56:40,860 INFO L93 Difference]: Finished difference Result 3905 states and 4977 transitions. [2018-12-01 17:56:40,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 17:56:40,860 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2018-12-01 17:56:40,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:56:40,871 INFO L225 Difference]: With dead ends: 3905 [2018-12-01 17:56:40,872 INFO L226 Difference]: Without dead ends: 2540 [2018-12-01 17:56:40,876 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-12-01 17:56:40,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2540 states. [2018-12-01 17:56:40,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2540 to 2215. [2018-12-01 17:56:40,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2215 states. [2018-12-01 17:56:40,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 2215 states and 2689 transitions. [2018-12-01 17:56:40,991 INFO L78 Accepts]: Start accepts. Automaton has 2215 states and 2689 transitions. Word has length 159 [2018-12-01 17:56:40,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:56:40,991 INFO L480 AbstractCegarLoop]: Abstraction has 2215 states and 2689 transitions. [2018-12-01 17:56:40,991 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 17:56:40,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2215 states and 2689 transitions. [2018-12-01 17:56:40,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 17:56:40,995 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:56:40,995 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:56:40,995 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:56:40,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:56:40,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1792268874, now seen corresponding path program 1 times [2018-12-01 17:56:40,995 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:56:40,995 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:56:40,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:56:40,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:56:40,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:56:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:56:41,080 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 17:56:41,080 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:56:41,080 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_da880999-cac0-4bad-aa2c-6a87bc2c2006/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 17:56:41,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:56:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:56:41,162 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:56:41,220 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 17:56:41,238 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 17:56:41,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 14 [2018-12-01 17:56:41,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-01 17:56:41,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-01 17:56:41,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-01 17:56:41,239 INFO L87 Difference]: Start difference. First operand 2215 states and 2689 transitions. Second operand 14 states. [2018-12-01 17:56:42,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:56:42,422 INFO L93 Difference]: Finished difference Result 6238 states and 8365 transitions. [2018-12-01 17:56:42,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-01 17:56:42,423 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 155 [2018-12-01 17:56:42,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:56:42,439 INFO L225 Difference]: With dead ends: 6238 [2018-12-01 17:56:42,440 INFO L226 Difference]: Without dead ends: 4375 [2018-12-01 17:56:42,445 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=557, Unknown=0, NotChecked=0, Total=702 [2018-12-01 17:56:42,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4375 states. [2018-12-01 17:56:42,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4375 to 3595. [2018-12-01 17:56:42,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3595 states. [2018-12-01 17:56:42,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3595 states to 3595 states and 4327 transitions. [2018-12-01 17:56:42,562 INFO L78 Accepts]: Start accepts. Automaton has 3595 states and 4327 transitions. Word has length 155 [2018-12-01 17:56:42,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:56:42,562 INFO L480 AbstractCegarLoop]: Abstraction has 3595 states and 4327 transitions. [2018-12-01 17:56:42,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-01 17:56:42,563 INFO L276 IsEmpty]: Start isEmpty. Operand 3595 states and 4327 transitions. [2018-12-01 17:56:42,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 17:56:42,565 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:56:42,565 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:56:42,565 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:56:42,565 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:56:42,566 INFO L82 PathProgramCache]: Analyzing trace with hash 2067028488, now seen corresponding path program 1 times [2018-12-01 17:56:42,566 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:56:42,566 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:56:42,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:56:42,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:56:42,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:56:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:56:42,638 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-01 17:56:42,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:56:42,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-01 17:56:42,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 17:56:42,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 17:56:42,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-01 17:56:42,639 INFO L87 Difference]: Start difference. First operand 3595 states and 4327 transitions. Second operand 9 states. [2018-12-01 17:56:42,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:56:42,711 INFO L93 Difference]: Finished difference Result 4611 states and 5547 transitions. [2018-12-01 17:56:42,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 17:56:42,711 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2018-12-01 17:56:42,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:56:42,712 INFO L225 Difference]: With dead ends: 4611 [2018-12-01 17:56:42,712 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 17:56:42,719 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-01 17:56:42,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 17:56:42,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 17:56:42,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 17:56:42,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 17:56:42,720 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-12-01 17:56:42,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:56:42,721 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 17:56:42,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 17:56:42,721 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 17:56:42,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 17:56:42,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 17:56:42,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:42,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:43,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:56:44,505 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 45 [2018-12-01 17:56:44,614 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 28 [2018-12-01 17:56:45,422 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 34 [2018-12-01 17:56:45,841 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 878 884) the Hoare annotation is: true [2018-12-01 17:56:45,841 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 878 884) no Hoare annotation was computed. [2018-12-01 17:56:45,841 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 885 893) no Hoare annotation was computed. [2018-12-01 17:56:45,841 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 885 893) the Hoare annotation is: true [2018-12-01 17:56:45,841 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 885 893) no Hoare annotation was computed. [2018-12-01 17:56:45,841 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 967 989) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 17:56:45,841 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 967 989) no Hoare annotation was computed. [2018-12-01 17:56:45,842 INFO L444 ceAbstractionStarter]: At program point L979(line 979) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 17:56:45,842 INFO L444 ceAbstractionStarter]: At program point L979-1(line 979) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 17:56:45,842 INFO L448 ceAbstractionStarter]: For program point L977(lines 977 984) no Hoare annotation was computed. [2018-12-01 17:56:45,842 INFO L448 ceAbstractionStarter]: For program point L977-1(lines 977 984) no Hoare annotation was computed. [2018-12-01 17:56:45,842 INFO L448 ceAbstractionStarter]: For program point L975(line 975) no Hoare annotation was computed. [2018-12-01 17:56:45,842 INFO L444 ceAbstractionStarter]: At program point L974(line 974) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 17:56:45,842 INFO L444 ceAbstractionStarter]: At program point L973(line 973) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 17:56:45,842 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 967 989) no Hoare annotation was computed. [2018-12-01 17:56:45,842 INFO L444 ceAbstractionStarter]: At program point L973-1(line 973) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 17:56:45,842 INFO L444 ceAbstractionStarter]: At program point L481(line 481) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| 0)) (.cse3 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse6 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2))) (and (or (or (or .cse0 .cse1) .cse2) .cse3) (or (or .cse4 .cse0 .cse2) .cse3) (or .cse4 .cse5 .cse6) (or .cse5 .cse6 .cse1) (or .cse5 .cse2 .cse1) (or .cse4 .cse5 .cse2))) [2018-12-01 17:56:45,842 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 475 489) no Hoare annotation was computed. [2018-12-01 17:56:45,842 INFO L448 ceAbstractionStarter]: For program point L479(lines 479 485) no Hoare annotation was computed. [2018-12-01 17:56:45,842 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 475 489) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (= |old(~systemActive~0)| 0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (and (not (= ~systemActive~0 0)) .cse5)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (or (or .cse0 .cse1) .cse2) .cse3) (or .cse4 .cse5 .cse6 .cse2) (or (or .cse4 .cse0 .cse2) .cse3) (or .cse5 (or .cse4 .cse6 (not (= ~waterLevel~0 1)))) (or .cse5 .cse6 (< ~waterLevel~0 1) .cse1)))) [2018-12-01 17:56:45,842 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 475 489) no Hoare annotation was computed. [2018-12-01 17:56:45,842 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 392 400) no Hoare annotation was computed. [2018-12-01 17:56:45,843 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 392 400) the Hoare annotation is: true [2018-12-01 17:56:45,843 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 392 400) no Hoare annotation was computed. [2018-12-01 17:56:45,843 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 469) no Hoare annotation was computed. [2018-12-01 17:56:45,843 INFO L451 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2018-12-01 17:56:45,843 INFO L448 ceAbstractionStarter]: For program point L465-2(lines 465 469) no Hoare annotation was computed. [2018-12-01 17:56:45,843 INFO L448 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2018-12-01 17:56:45,843 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 456 474) the Hoare annotation is: true [2018-12-01 17:56:45,843 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 456 474) no Hoare annotation was computed. [2018-12-01 17:56:45,843 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 456 474) no Hoare annotation was computed. [2018-12-01 17:56:45,843 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 871 877) no Hoare annotation was computed. [2018-12-01 17:56:45,843 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 871 877) the Hoare annotation is: true [2018-12-01 17:56:45,843 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 957 966) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 17:56:45,843 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 957 966) no Hoare annotation was computed. [2018-12-01 17:56:45,843 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 957 966) no Hoare annotation was computed. [2018-12-01 17:56:45,843 INFO L448 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2018-12-01 17:56:45,843 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 381 391) the Hoare annotation is: true [2018-12-01 17:56:45,843 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 381 391) no Hoare annotation was computed. [2018-12-01 17:56:45,843 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 381 391) no Hoare annotation was computed. [2018-12-01 17:56:45,843 INFO L451 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: true [2018-12-01 17:56:45,843 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 373 380) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 .cse1))) [2018-12-01 17:56:45,843 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 373 380) no Hoare annotation was computed. [2018-12-01 17:56:45,844 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 373 380) no Hoare annotation was computed. [2018-12-01 17:56:45,844 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 322 346) no Hoare annotation was computed. [2018-12-01 17:56:45,844 INFO L444 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1)) (.cse1 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse2 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-01 17:56:45,844 INFO L448 ceAbstractionStarter]: For program point L341-1(lines 322 346) no Hoare annotation was computed. [2018-12-01 17:56:45,844 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 322 346) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 .cse1))) [2018-12-01 17:56:45,844 INFO L444 ceAbstractionStarter]: At program point L336(line 336) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-01 17:56:45,844 INFO L444 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: (let ((.cse2 (and (= processEnvironment_~tmp~3 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse0 .cse1) (or .cse5 .cse0 .cse1 .cse3) (or .cse4 .cse5 .cse0 .cse1))) [2018-12-01 17:56:45,844 INFO L448 ceAbstractionStarter]: For program point L330(lines 330 338) no Hoare annotation was computed. [2018-12-01 17:56:45,844 INFO L444 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse5 .cse3) (or .cse4 .cse5 .cse1 .cse2))) [2018-12-01 17:56:45,844 INFO L448 ceAbstractionStarter]: For program point L328-1(line 328) no Hoare annotation was computed. [2018-12-01 17:56:45,844 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 343) no Hoare annotation was computed. [2018-12-01 17:56:45,844 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-12-01 17:56:45,844 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-12-01 17:56:45,844 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-12-01 17:56:45,844 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-12-01 17:56:45,844 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 288 294) no Hoare annotation was computed. [2018-12-01 17:56:45,844 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 288 294) the Hoare annotation is: true [2018-12-01 17:56:45,844 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 191 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 17:56:45,845 INFO L444 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 .cse3 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 17:56:45,845 INFO L448 ceAbstractionStarter]: For program point L221(lines 221 227) no Hoare annotation was computed. [2018-12-01 17:56:45,845 INFO L448 ceAbstractionStarter]: For program point L221-1(lines 221 227) no Hoare annotation was computed. [2018-12-01 17:56:45,845 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 191 256) no Hoare annotation was computed. [2018-12-01 17:56:45,845 INFO L444 ceAbstractionStarter]: At program point L246(lines 201 248) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse3 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 17:56:45,845 INFO L444 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (and .cse2 .cse3 (not (= ~systemActive~0 0)) .cse1) (and .cse3 (and .cse2 .cse0 .cse1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 17:56:45,845 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2018-12-01 17:56:45,845 INFO L448 ceAbstractionStarter]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2018-12-01 17:56:45,845 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 207) no Hoare annotation was computed. [2018-12-01 17:56:45,845 INFO L444 ceAbstractionStarter]: At program point L249(lines 200 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 17:56:45,845 INFO L444 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse5 (<= 2 ~waterLevel~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse6 (not (= ~systemActive~0 0))) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse1 .cse3) (and .cse5 .cse6 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 (and .cse4 .cse6 .cse3)))) [2018-12-01 17:56:45,845 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 243) no Hoare annotation was computed. [2018-12-01 17:56:45,845 INFO L444 ceAbstractionStarter]: At program point L237-1(lines 231 244) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse4 .cse5 .cse6 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse5 .cse3) (and .cse1 .cse2 .cse6 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 17:56:45,845 INFO L448 ceAbstractionStarter]: For program point L202(lines 201 248) no Hoare annotation was computed. [2018-12-01 17:56:45,845 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 244) no Hoare annotation was computed. [2018-12-01 17:56:45,845 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 191 256) no Hoare annotation was computed. [2018-12-01 17:56:45,845 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 347 354) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 2) (not (= ~methaneLevelCritical~0 0))) [2018-12-01 17:56:45,846 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 347 354) no Hoare annotation was computed. [2018-12-01 17:56:45,846 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 347 354) no Hoare annotation was computed. [2018-12-01 17:56:45,846 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-12-01 17:56:45,846 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-12-01 17:56:45,846 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-12-01 17:56:45,846 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-01 17:56:45,846 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-01 17:56:45,846 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 17:56:45,846 INFO L444 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 2))) (and (or (and (= activatePump_~tmp~4 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-01 17:56:45,846 INFO L448 ceAbstractionStarter]: For program point L367-1(lines 356 372) no Hoare annotation was computed. [2018-12-01 17:56:45,846 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 356 372) no Hoare annotation was computed. [2018-12-01 17:56:45,846 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 369) no Hoare annotation was computed. [2018-12-01 17:56:45,846 INFO L444 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-01 17:56:45,846 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 356 372) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-01 17:56:45,846 INFO L448 ceAbstractionStarter]: For program point L361-1(line 361) no Hoare annotation was computed. [2018-12-01 17:56:45,846 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 437 455) no Hoare annotation was computed. [2018-12-01 17:56:45,846 INFO L448 ceAbstractionStarter]: For program point L446(lines 446 450) no Hoare annotation was computed. [2018-12-01 17:56:45,846 INFO L451 ceAbstractionStarter]: At program point L444(line 444) the Hoare annotation is: true [2018-12-01 17:56:45,846 INFO L448 ceAbstractionStarter]: For program point L446-2(lines 446 450) no Hoare annotation was computed. [2018-12-01 17:56:45,846 INFO L448 ceAbstractionStarter]: For program point L444-1(line 444) no Hoare annotation was computed. [2018-12-01 17:56:45,846 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 437 455) the Hoare annotation is: true [2018-12-01 17:56:45,847 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 437 455) no Hoare annotation was computed. [2018-12-01 17:56:45,847 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-12-01 17:56:45,847 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (< ~waterLevel~0 2)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (= 0 ~methaneLevelCritical~0))) (and (or (= ~methaneLevelCritical~0 1) (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (< ~waterLevel~0 1)) (or (or .cse0 (not (= ~waterLevel~0 1)) .cse1) .cse2) (or .cse2 (or .cse0 .cse3 .cse1)) (or (or (= ~systemActive~0 0) .cse3 .cse1) .cse2))) [2018-12-01 17:56:45,847 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-12-01 17:56:45,847 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 896 925) no Hoare annotation was computed. [2018-12-01 17:56:45,847 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 896 925) the Hoare annotation is: true [2018-12-01 17:56:45,847 INFO L451 ceAbstractionStarter]: At program point L921(lines 896 925) the Hoare annotation is: true [2018-12-01 17:56:45,847 INFO L448 ceAbstractionStarter]: For program point L917(line 917) no Hoare annotation was computed. [2018-12-01 17:56:45,847 INFO L448 ceAbstractionStarter]: For program point L910(lines 910 914) no Hoare annotation was computed. [2018-12-01 17:56:45,847 INFO L451 ceAbstractionStarter]: At program point L910-1(lines 910 914) the Hoare annotation is: true [2018-12-01 17:56:45,847 INFO L448 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2018-12-01 17:56:45,847 INFO L451 ceAbstractionStarter]: At program point L906-2(lines 906 920) the Hoare annotation is: true [2018-12-01 17:56:45,847 INFO L451 ceAbstractionStarter]: At program point L902(line 902) the Hoare annotation is: true [2018-12-01 17:56:45,847 INFO L448 ceAbstractionStarter]: For program point L902-1(line 902) no Hoare annotation was computed. [2018-12-01 17:56:45,847 INFO L444 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (< |old(~waterLevel~0)| 2)) (.cse0 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse8)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< |old(~waterLevel~0)| 1)) (.cse6 (and (not .cse2) (= ~waterLevel~0 |old(~waterLevel~0)|) .cse8)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse1 .cse5 .cse6 .cse7) (or .cse5 .cse7 .cse6 .cse4)))) [2018-12-01 17:56:45,847 INFO L444 ceAbstractionStarter]: At program point L275(lines 275 281) the Hoare annotation is: (let ((.cse9 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse3 (and .cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse6 (= ~systemActive~0 0)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse8 (and (= 0 ~pumpRunning~0) .cse9))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (or .cse1 .cse4 .cse5) .cse3) (or (and (not .cse6) .cse7) .cse3 (or .cse1 .cse2 .cse5)) (or .cse8 (or .cse0 .cse6 .cse2)) (or .cse3 (or .cse0 .cse1 .cse4)) (or (or .cse6 .cse2 .cse5) (and (not (= ~waterLevel~0 1)) .cse9) .cse8)))) [2018-12-01 17:56:45,847 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 264 287) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~systemActive~0 0)) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (< |old(~waterLevel~0)| 1)) (or (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) .cse0) (or (or .cse1 .cse4 .cse5) .cse0) (or (or .cse4 .cse5 .cse3) .cse0) (or .cse0 (or .cse2 .cse5 .cse3)))) [2018-12-01 17:56:45,847 INFO L444 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< |old(~waterLevel~0)| 1)) (.cse1 (= ~systemActive~0 0)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse4 .cse5) (or (or .cse4 .cse6) .cse5) (or (or .cse1 .cse2 .cse6) .cse3))) [2018-12-01 17:56:45,848 INFO L448 ceAbstractionStarter]: For program point L268(lines 267 286) no Hoare annotation was computed. [2018-12-01 17:56:45,848 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 264 287) no Hoare annotation was computed. [2018-12-01 17:56:45,848 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 264 287) no Hoare annotation was computed. [2018-12-01 17:56:45,848 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-12-01 17:56:45,848 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-12-01 17:56:45,848 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-12-01 17:56:45,848 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse2 .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-01 17:56:45,848 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-12-01 17:56:45,848 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-12-01 17:56:45,848 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 950 956) no Hoare annotation was computed. [2018-12-01 17:56:45,848 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 950 956) the Hoare annotation is: true [2018-12-01 17:56:45,848 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 17:56:45,848 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-12-01 17:56:45,848 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 17:56:45,848 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 17:56:45,848 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 296 320) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1)))) (or .cse2 .cse3 (< ~waterLevel~0 1) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (or .cse1 .cse2 .cse3 (< ~waterLevel~0 2)) .cse0))) [2018-12-01 17:56:45,848 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 296 320) no Hoare annotation was computed. [2018-12-01 17:56:45,848 INFO L444 ceAbstractionStarter]: At program point L315(line 315) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-01 17:56:45,848 INFO L448 ceAbstractionStarter]: For program point L315-1(lines 296 320) no Hoare annotation was computed. [2018-12-01 17:56:45,848 INFO L444 ceAbstractionStarter]: At program point L310(line 310) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 (< ~waterLevel~0 1)) (or .cse0 .cse1 (<= ~waterLevel~0 1) .cse3 .cse2))) [2018-12-01 17:56:45,849 INFO L444 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 (and (<= 2 ~waterLevel~0) .cse3) .cse1 (< ~waterLevel~0 1)) (or .cse3 (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2)))) [2018-12-01 17:56:45,849 INFO L448 ceAbstractionStarter]: For program point L304(lines 304 312) no Hoare annotation was computed. [2018-12-01 17:56:45,849 INFO L444 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1)))) (or .cse2 .cse3 (< ~waterLevel~0 1) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (or .cse1 .cse2 .cse3 (< ~waterLevel~0 2)) .cse0))) [2018-12-01 17:56:45,849 INFO L448 ceAbstractionStarter]: For program point L302-1(line 302) no Hoare annotation was computed. [2018-12-01 17:56:45,849 INFO L448 ceAbstractionStarter]: For program point L300(lines 300 317) no Hoare annotation was computed. [2018-12-01 17:56:45,849 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-12-01 17:56:45,849 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-12-01 17:56:45,849 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= ~methaneLevelCritical~0 1)) (< |old(~waterLevel~0)| 1) .cse2) (or (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) .cse0) (or .cse0 .cse1 (= ~systemActive~0 0) .cse3))) [2018-12-01 17:56:45,849 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 179 186) no Hoare annotation was computed. [2018-12-01 17:56:45,849 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 179 186) the Hoare annotation is: true [2018-12-01 17:56:45,849 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2018-12-01 17:56:45,849 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 179 186) no Hoare annotation was computed. [2018-12-01 17:56:45,849 INFO L448 ceAbstractionStarter]: For program point L161(lines 161 174) no Hoare annotation was computed. [2018-12-01 17:56:45,849 INFO L448 ceAbstractionStarter]: For program point L161-1(lines 153 177) no Hoare annotation was computed. [2018-12-01 17:56:45,849 INFO L451 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: true [2018-12-01 17:56:45,849 INFO L448 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2018-12-01 17:56:45,849 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 153 177) the Hoare annotation is: true [2018-12-01 17:56:45,849 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 153 177) no Hoare annotation was computed. [2018-12-01 17:56:45,849 INFO L444 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (< ~waterLevel~0 1))) (and (or (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2) (or (or .cse1 .cse0) .cse2))) [2018-12-01 17:56:45,850 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 171) no Hoare annotation was computed. [2018-12-01 17:56:45,850 INFO L444 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse0) (or (or (not (= 0 ~pumpRunning~0)) .cse0) (< ~waterLevel~0 1)))) [2018-12-01 17:56:45,850 INFO L448 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2018-12-01 17:56:45,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 05:56:45 BoogieIcfgContainer [2018-12-01 17:56:45,858 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 17:56:45,858 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 17:56:45,858 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 17:56:45,858 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 17:56:45,859 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:56:37" (3/4) ... [2018-12-01 17:56:45,861 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 17:56:45,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-01 17:56:45,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-01 17:56:45,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 17:56:45,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-01 17:56:45,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-01 17:56:45,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-01 17:56:45,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-01 17:56:45,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-01 17:56:45,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-01 17:56:45,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-01 17:56:45,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-01 17:56:45,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-01 17:56:45,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-01 17:56:45,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-01 17:56:45,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-01 17:56:45,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-01 17:56:45,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 17:56:45,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-01 17:56:45,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-01 17:56:45,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-01 17:56:45,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-01 17:56:45,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-01 17:56:45,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-01 17:56:45,868 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-01 17:56:45,868 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-01 17:56:45,868 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 17:56:45,868 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-01 17:56:45,868 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-01 17:56:45,868 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-01 17:56:45,873 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-01 17:56:45,874 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-01 17:56:45,874 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-01 17:56:45,874 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-01 17:56:45,874 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 17:56:45,875 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 17:56:45,896 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(systemActive) == 1) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-01 17:56:45,896 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-01 17:56:45,925 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_da880999-cac0-4bad-aa2c-6a87bc2c2006/bin-2019/uautomizer/witness.graphml [2018-12-01 17:56:45,925 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 17:56:45,926 INFO L168 Benchmark]: Toolchain (without parser) took 9522.14 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 543.7 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -189.6 MB). Peak memory consumption was 354.1 MB. Max. memory is 11.5 GB. [2018-12-01 17:56:45,926 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:56:45,926 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -188.1 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-12-01 17:56:45,926 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:56:45,927 INFO L168 Benchmark]: Boogie Preprocessor took 22.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-01 17:56:45,927 INFO L168 Benchmark]: RCFGBuilder took 350.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.1 MB). Peak memory consumption was 50.1 MB. Max. memory is 11.5 GB. [2018-12-01 17:56:45,927 INFO L168 Benchmark]: TraceAbstraction took 8758.37 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 391.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -69.2 MB). Peak memory consumption was 541.7 MB. Max. memory is 11.5 GB. [2018-12-01 17:56:45,927 INFO L168 Benchmark]: Witness Printer took 66.89 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-01 17:56:45,928 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 299.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -188.1 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 350.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.1 MB). Peak memory consumption was 50.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8758.37 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 391.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -69.2 MB). Peak memory consumption was 541.7 MB. Max. memory is 11.5 GB. * Witness Printer took 66.89 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 183]: 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: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 159 locations, 1 error locations. SAFE Result, 8.7s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 3.6s AutomataDifference, 0.0s DeadEndRemovalTime, 3.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2433 SDtfs, 2302 SDslu, 7443 SDs, 0 SdLazy, 4527 SolverSat, 1015 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 569 GetRequests, 456 SyntacticMatches, 2 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3595occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 1266 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 5290 PreInvPairs, 5506 NumberOfFragments, 2145 HoareAnnotationTreeSize, 5290 FomulaSimplifications, 19321 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 66 FomulaSimplificationsInter, 24419 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1543 NumberOfCodeBlocks, 1543 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1528 ConstructedInterpolants, 0 QuantifiedInterpolants, 293862 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2501 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 183/193 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...