./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product58_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fd6bc5a8-5ac0-467c-952b-d867fe3088fb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fd6bc5a8-5ac0-467c-952b-d867fe3088fb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fd6bc5a8-5ac0-467c-952b-d867fe3088fb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fd6bc5a8-5ac0-467c-952b-d867fe3088fb/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fd6bc5a8-5ac0-467c-952b-d867fe3088fb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fd6bc5a8-5ac0-467c-952b-d867fe3088fb/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 99a0574ff0f23dd43b458f22f446fd063a15f78d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:17:25,858 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:17:25,859 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:17:25,866 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:17:25,866 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:17:25,867 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:17:25,868 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:17:25,869 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:17:25,870 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:17:25,871 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:17:25,871 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:17:25,871 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:17:25,872 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:17:25,873 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:17:25,874 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:17:25,874 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:17:25,875 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:17:25,876 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:17:25,877 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:17:25,878 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:17:25,879 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:17:25,880 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:17:25,882 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:17:25,882 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:17:25,882 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:17:25,883 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:17:25,884 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:17:25,884 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:17:25,885 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:17:25,886 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:17:25,886 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:17:25,886 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:17:25,887 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:17:25,887 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:17:25,887 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:17:25,888 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:17:25,888 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fd6bc5a8-5ac0-467c-952b-d867fe3088fb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:17:25,898 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:17:25,899 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:17:25,899 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:17:25,899 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:17:25,900 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:17:25,900 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:17:25,900 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:17:25,900 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:17:25,900 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:17:25,901 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:17:25,901 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:17:25,901 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:17:25,901 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:17:25,901 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:17:25,901 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:17:25,901 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:17:25,901 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:17:25,901 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:17:25,902 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:17:25,902 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:17:25,902 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:17:25,902 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:17:25,902 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:17:25,902 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:17:25,902 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:17:25,902 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:17:25,903 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:17:25,903 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:17:25,903 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:17:25,903 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:17:25,903 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_fd6bc5a8-5ac0-467c-952b-d867fe3088fb/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 -> 99a0574ff0f23dd43b458f22f446fd063a15f78d [2018-11-28 12:17:25,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:17:25,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:17:25,938 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:17:25,938 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:17:25,939 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:17:25,939 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fd6bc5a8-5ac0-467c-952b-d867fe3088fb/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product58_true-unreach-call_false-termination.cil.c [2018-11-28 12:17:25,976 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd6bc5a8-5ac0-467c-952b-d867fe3088fb/bin-2019/uautomizer/data/50dde731c/82e9126fda7a4670aae11d63f6331ee1/FLAGa4c7febd8 [2018-11-28 12:17:26,327 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:17:26,328 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fd6bc5a8-5ac0-467c-952b-d867fe3088fb/sv-benchmarks/c/product-lines/minepump_spec4_product58_true-unreach-call_false-termination.cil.c [2018-11-28 12:17:26,338 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd6bc5a8-5ac0-467c-952b-d867fe3088fb/bin-2019/uautomizer/data/50dde731c/82e9126fda7a4670aae11d63f6331ee1/FLAGa4c7febd8 [2018-11-28 12:17:26,347 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fd6bc5a8-5ac0-467c-952b-d867fe3088fb/bin-2019/uautomizer/data/50dde731c/82e9126fda7a4670aae11d63f6331ee1 [2018-11-28 12:17:26,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:17:26,350 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:17:26,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:17:26,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:17:26,353 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:17:26,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:17:26" (1/1) ... [2018-11-28 12:17:26,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af6d2e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:26, skipping insertion in model container [2018-11-28 12:17:26,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:17:26" (1/1) ... [2018-11-28 12:17:26,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:17:26,388 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:17:26,644 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:17:26,657 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:17:26,714 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:17:26,737 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:17:26,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:26 WrapperNode [2018-11-28 12:17:26,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:17:26,738 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:17:26,738 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:17:26,738 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:17:26,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:26" (1/1) ... [2018-11-28 12:17:26,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:26" (1/1) ... [2018-11-28 12:17:26,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:17:26,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:17:26,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:17:26,767 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:17:26,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:26" (1/1) ... [2018-11-28 12:17:26,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:26" (1/1) ... [2018-11-28 12:17:26,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:26" (1/1) ... [2018-11-28 12:17:26,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:26" (1/1) ... [2018-11-28 12:17:26,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:26" (1/1) ... [2018-11-28 12:17:26,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:26" (1/1) ... [2018-11-28 12:17:26,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:26" (1/1) ... [2018-11-28 12:17:26,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:17:26,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:17:26,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:17:26,803 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:17:26,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd6bc5a8-5ac0-467c-952b-d867fe3088fb/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 [2018-11-28 12:17:26,850 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 12:17:26,851 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 12:17:26,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 12:17:26,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 12:17:26,851 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:17:26,851 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:17:26,851 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 12:17:26,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 12:17:26,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:17:26,851 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 12:17:26,852 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 12:17:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 12:17:26,852 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 12:17:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 12:17:26,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 12:17:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 12:17:26,852 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 12:17:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 12:17:26,852 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 12:17:26,852 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 12:17:26,853 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 12:17:26,853 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 12:17:26,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 12:17:26,853 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 12:17:26,853 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 12:17:26,853 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 12:17:26,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 12:17:26,853 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 12:17:26,853 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 12:17:26,854 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 12:17:26,854 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 12:17:26,854 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 12:17:26,854 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 12:17:26,854 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 12:17:26,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 12:17:26,854 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 12:17:26,854 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 12:17:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 12:17:26,855 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 12:17:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:17:26,855 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:17:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 12:17:26,855 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 12:17:26,855 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 12:17:26,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 12:17:26,856 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 12:17:26,856 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 12:17:26,856 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 12:17:26,856 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 12:17:26,856 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 12:17:26,856 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 12:17:26,856 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 12:17:26,856 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 12:17:26,857 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 12:17:26,857 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 12:17:26,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:17:26,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:17:26,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:17:26,857 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 12:17:26,857 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 12:17:26,857 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 12:17:26,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 12:17:26,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:17:26,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:17:27,299 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:17:27,299 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 12:17:27,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:17:27 BoogieIcfgContainer [2018-11-28 12:17:27,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:17:27,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:17:27,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:17:27,303 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:17:27,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:17:26" (1/3) ... [2018-11-28 12:17:27,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@331902bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:17:27, skipping insertion in model container [2018-11-28 12:17:27,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:17:26" (2/3) ... [2018-11-28 12:17:27,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@331902bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:17:27, skipping insertion in model container [2018-11-28 12:17:27,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:17:27" (3/3) ... [2018-11-28 12:17:27,306 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product58_true-unreach-call_false-termination.cil.c [2018-11-28 12:17:27,314 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:17:27,321 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:17:27,334 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:17:27,359 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:17:27,360 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:17:27,360 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:17:27,360 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:17:27,360 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:17:27,361 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:17:27,361 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:17:27,361 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:17:27,361 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:17:27,378 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2018-11-28 12:17:27,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 12:17:27,385 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:17:27,386 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] [2018-11-28 12:17:27,388 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:17:27,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:17:27,392 INFO L82 PathProgramCache]: Analyzing trace with hash 345966289, now seen corresponding path program 1 times [2018-11-28 12:17:27,394 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:17:27,394 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:17:27,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:17:27,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:17:27,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:17:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:17:27,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:17:27,579 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:17:27,580 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:17:27,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 12:17:27,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 12:17:27,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:17:27,593 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 2 states. [2018-11-28 12:17:27,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:17:27,623 INFO L93 Difference]: Finished difference Result 294 states and 357 transitions. [2018-11-28 12:17:27,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 12:17:27,624 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 12:17:27,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:17:27,632 INFO L225 Difference]: With dead ends: 294 [2018-11-28 12:17:27,632 INFO L226 Difference]: Without dead ends: 147 [2018-11-28 12:17:27,635 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 [2018-11-28 12:17:27,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-11-28 12:17:27,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-11-28 12:17:27,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-11-28 12:17:27,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 170 transitions. [2018-11-28 12:17:27,675 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 170 transitions. Word has length 46 [2018-11-28 12:17:27,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:17:27,675 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 170 transitions. [2018-11-28 12:17:27,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 12:17:27,676 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 170 transitions. [2018-11-28 12:17:27,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 12:17:27,678 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:17:27,678 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] [2018-11-28 12:17:27,679 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:17:27,679 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:17:27,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1633337234, now seen corresponding path program 1 times [2018-11-28 12:17:27,679 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:17:27,679 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:17:27,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:17:27,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:17:27,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:17:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:17:27,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:17:27,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:17:27,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:17:27,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:17:27,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:17:27,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:17:27,761 INFO L87 Difference]: Start difference. First operand 147 states and 170 transitions. Second operand 3 states. [2018-11-28 12:17:27,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:17:27,779 INFO L93 Difference]: Finished difference Result 239 states and 275 transitions. [2018-11-28 12:17:27,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:17:27,780 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 12:17:27,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:17:27,782 INFO L225 Difference]: With dead ends: 239 [2018-11-28 12:17:27,782 INFO L226 Difference]: Without dead ends: 138 [2018-11-28 12:17:27,783 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 [2018-11-28 12:17:27,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-28 12:17:27,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-11-28 12:17:27,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-28 12:17:27,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 158 transitions. [2018-11-28 12:17:27,794 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 158 transitions. Word has length 47 [2018-11-28 12:17:27,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:17:27,794 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 158 transitions. [2018-11-28 12:17:27,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:17:27,795 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 158 transitions. [2018-11-28 12:17:27,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 12:17:27,796 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:17:27,796 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] [2018-11-28 12:17:27,796 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:17:27,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:17:27,796 INFO L82 PathProgramCache]: Analyzing trace with hash 2041048239, now seen corresponding path program 1 times [2018-11-28 12:17:27,797 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:17:27,797 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:17:27,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:17:27,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:17:27,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:17:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:17:27,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:17:27,899 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:17:27,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:17:27,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:17:27,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:17:27,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:17:27,900 INFO L87 Difference]: Start difference. First operand 138 states and 158 transitions. Second operand 7 states. [2018-11-28 12:17:28,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:17:28,105 INFO L93 Difference]: Finished difference Result 252 states and 293 transitions. [2018-11-28 12:17:28,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:17:28,106 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-28 12:17:28,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:17:28,107 INFO L225 Difference]: With dead ends: 252 [2018-11-28 12:17:28,107 INFO L226 Difference]: Without dead ends: 138 [2018-11-28 12:17:28,108 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 [2018-11-28 12:17:28,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-28 12:17:28,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-11-28 12:17:28,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-28 12:17:28,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 157 transitions. [2018-11-28 12:17:28,116 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 157 transitions. Word has length 52 [2018-11-28 12:17:28,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:17:28,117 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 157 transitions. [2018-11-28 12:17:28,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:17:28,117 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 157 transitions. [2018-11-28 12:17:28,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-28 12:17:28,118 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:17:28,118 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, 1, 1, 1, 1] [2018-11-28 12:17:28,119 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:17:28,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:17:28,119 INFO L82 PathProgramCache]: Analyzing trace with hash -507321815, now seen corresponding path program 1 times [2018-11-28 12:17:28,119 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:17:28,119 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:17:28,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:17:28,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:17:28,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:17:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:17:28,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:17:28,242 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:17:28,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:17:28,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:17:28,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:17:28,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:17:28,243 INFO L87 Difference]: Start difference. First operand 138 states and 157 transitions. Second operand 5 states. [2018-11-28 12:17:28,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:17:28,723 INFO L93 Difference]: Finished difference Result 353 states and 419 transitions. [2018-11-28 12:17:28,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:17:28,723 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-11-28 12:17:28,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:17:28,725 INFO L225 Difference]: With dead ends: 353 [2018-11-28 12:17:28,725 INFO L226 Difference]: Without dead ends: 239 [2018-11-28 12:17:28,726 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:17:28,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-11-28 12:17:28,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 220. [2018-11-28 12:17:28,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-11-28 12:17:28,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 248 transitions. [2018-11-28 12:17:28,745 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 248 transitions. Word has length 65 [2018-11-28 12:17:28,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:17:28,746 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 248 transitions. [2018-11-28 12:17:28,746 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:17:28,746 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 248 transitions. [2018-11-28 12:17:28,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-28 12:17:28,747 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:17:28,747 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:17:28,748 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:17:28,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:17:28,748 INFO L82 PathProgramCache]: Analyzing trace with hash -465750265, now seen corresponding path program 1 times [2018-11-28 12:17:28,748 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:17:28,748 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:17:28,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:17:28,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:17:28,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:17:28,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:17:28,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:17:28,858 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:17:28,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 12:17:28,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 12:17:28,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 12:17:28,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:17:28,859 INFO L87 Difference]: Start difference. First operand 220 states and 248 transitions. Second operand 8 states. [2018-11-28 12:17:28,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:17:28,906 INFO L93 Difference]: Finished difference Result 423 states and 489 transitions. [2018-11-28 12:17:28,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:17:28,907 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2018-11-28 12:17:28,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:17:28,914 INFO L225 Difference]: With dead ends: 423 [2018-11-28 12:17:28,914 INFO L226 Difference]: Without dead ends: 227 [2018-11-28 12:17:28,915 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 [2018-11-28 12:17:28,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-11-28 12:17:28,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 224. [2018-11-28 12:17:28,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-11-28 12:17:28,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 252 transitions. [2018-11-28 12:17:28,930 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 252 transitions. Word has length 79 [2018-11-28 12:17:28,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:17:28,931 INFO L480 AbstractCegarLoop]: Abstraction has 224 states and 252 transitions. [2018-11-28 12:17:28,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 12:17:28,931 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 252 transitions. [2018-11-28 12:17:28,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-28 12:17:28,932 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:17:28,932 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:17:28,932 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:17:28,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:17:28,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1851953659, now seen corresponding path program 1 times [2018-11-28 12:17:28,933 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:17:28,933 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:17:28,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:17:28,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:17:28,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:17:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:17:29,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:17:29,033 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:17:29,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 12:17:29,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 12:17:29,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 12:17:29,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:17:29,034 INFO L87 Difference]: Start difference. First operand 224 states and 252 transitions. Second operand 10 states. [2018-11-28 12:17:29,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:17:29,360 INFO L93 Difference]: Finished difference Result 726 states and 882 transitions. [2018-11-28 12:17:29,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 12:17:29,361 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2018-11-28 12:17:29,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:17:29,363 INFO L225 Difference]: With dead ends: 726 [2018-11-28 12:17:29,363 INFO L226 Difference]: Without dead ends: 526 [2018-11-28 12:17:29,364 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 12:17:29,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2018-11-28 12:17:29,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 516. [2018-11-28 12:17:29,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2018-11-28 12:17:29,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 597 transitions. [2018-11-28 12:17:29,396 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 597 transitions. Word has length 79 [2018-11-28 12:17:29,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:17:29,397 INFO L480 AbstractCegarLoop]: Abstraction has 516 states and 597 transitions. [2018-11-28 12:17:29,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 12:17:29,397 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 597 transitions. [2018-11-28 12:17:29,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-28 12:17:29,400 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:17:29,400 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:17:29,400 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:17:29,401 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:17:29,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1726701374, now seen corresponding path program 1 times [2018-11-28 12:17:29,401 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:17:29,401 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:17:29,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:17:29,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:17:29,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:17:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:17:29,488 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-28 12:17:29,488 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:17:29,488 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd6bc5a8-5ac0-467c-952b-d867fe3088fb/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 [2018-11-28 12:17:29,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:17:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:17:29,584 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:17:29,699 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:17:29,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:17:29,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2018-11-28 12:17:29,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 12:17:29,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 12:17:29,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 12:17:29,718 INFO L87 Difference]: Start difference. First operand 516 states and 597 transitions. Second operand 13 states. [2018-11-28 12:17:32,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:17:32,033 INFO L93 Difference]: Finished difference Result 1365 states and 1748 transitions. [2018-11-28 12:17:32,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-11-28 12:17:32,034 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 138 [2018-11-28 12:17:32,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:17:32,038 INFO L225 Difference]: With dead ends: 1365 [2018-11-28 12:17:32,039 INFO L226 Difference]: Without dead ends: 994 [2018-11-28 12:17:32,043 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1159 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=632, Invalid=3150, Unknown=0, NotChecked=0, Total=3782 [2018-11-28 12:17:32,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2018-11-28 12:17:32,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 869. [2018-11-28 12:17:32,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2018-11-28 12:17:32,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1043 transitions. [2018-11-28 12:17:32,098 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1043 transitions. Word has length 138 [2018-11-28 12:17:32,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:17:32,098 INFO L480 AbstractCegarLoop]: Abstraction has 869 states and 1043 transitions. [2018-11-28 12:17:32,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 12:17:32,099 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1043 transitions. [2018-11-28 12:17:32,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-28 12:17:32,101 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:17:32,101 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:17:32,101 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:17:32,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:17:32,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1142516901, now seen corresponding path program 1 times [2018-11-28 12:17:32,102 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:17:32,102 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:17:32,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:17:32,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:17:32,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:17:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:17:32,173 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-28 12:17:32,173 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:17:32,173 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd6bc5a8-5ac0-467c-952b-d867fe3088fb/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 [2018-11-28 12:17:32,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:17:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:17:32,296 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:17:32,327 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 12:17:32,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:17:32,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-11-28 12:17:32,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:17:32,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:17:32,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:17:32,344 INFO L87 Difference]: Start difference. First operand 869 states and 1043 transitions. Second operand 6 states. [2018-11-28 12:17:32,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:17:32,392 INFO L93 Difference]: Finished difference Result 1552 states and 1927 transitions. [2018-11-28 12:17:32,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:17:32,393 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-11-28 12:17:32,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:17:32,396 INFO L225 Difference]: With dead ends: 1552 [2018-11-28 12:17:32,396 INFO L226 Difference]: Without dead ends: 707 [2018-11-28 12:17:32,399 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 147 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:17:32,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2018-11-28 12:17:32,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 705. [2018-11-28 12:17:32,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 705 states. [2018-11-28 12:17:32,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 840 transitions. [2018-11-28 12:17:32,438 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 840 transitions. Word has length 149 [2018-11-28 12:17:32,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:17:32,439 INFO L480 AbstractCegarLoop]: Abstraction has 705 states and 840 transitions. [2018-11-28 12:17:32,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:17:32,439 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 840 transitions. [2018-11-28 12:17:32,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-28 12:17:32,441 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:17:32,441 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:17:32,441 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:17:32,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:17:32,441 INFO L82 PathProgramCache]: Analyzing trace with hash -2058920796, now seen corresponding path program 1 times [2018-11-28 12:17:32,441 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:17:32,442 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:17:32,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:17:32,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:17:32,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:17:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:17:32,547 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-28 12:17:32,548 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:17:32,548 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd6bc5a8-5ac0-467c-952b-d867fe3088fb/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 [2018-11-28 12:17:32,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:17:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:17:32,651 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:17:32,710 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:17:32,735 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:17:32,736 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-28 12:17:32,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 12:17:32,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 12:17:32,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:17:32,737 INFO L87 Difference]: Start difference. First operand 705 states and 840 transitions. Second operand 14 states. [2018-11-28 12:17:34,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:17:34,103 INFO L93 Difference]: Finished difference Result 1569 states and 1978 transitions. [2018-11-28 12:17:34,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-28 12:17:34,103 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 153 [2018-11-28 12:17:34,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:17:34,106 INFO L225 Difference]: With dead ends: 1569 [2018-11-28 12:17:34,106 INFO L226 Difference]: Without dead ends: 951 [2018-11-28 12:17:34,107 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=206, Invalid=850, Unknown=0, NotChecked=0, Total=1056 [2018-11-28 12:17:34,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2018-11-28 12:17:34,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 799. [2018-11-28 12:17:34,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 799 states. [2018-11-28 12:17:34,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 936 transitions. [2018-11-28 12:17:34,138 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 936 transitions. Word has length 153 [2018-11-28 12:17:34,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:17:34,138 INFO L480 AbstractCegarLoop]: Abstraction has 799 states and 936 transitions. [2018-11-28 12:17:34,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 12:17:34,138 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 936 transitions. [2018-11-28 12:17:34,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-28 12:17:34,140 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:17:34,141 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:17:34,141 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:17:34,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:17:34,141 INFO L82 PathProgramCache]: Analyzing trace with hash -2014696091, now seen corresponding path program 1 times [2018-11-28 12:17:34,141 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:17:34,141 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:17:34,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:17:34,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:17:34,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:17:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:17:34,231 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-28 12:17:34,231 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:17:34,231 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd6bc5a8-5ac0-467c-952b-d867fe3088fb/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:17:34,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:17:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:17:34,333 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:17:34,401 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-28 12:17:34,418 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:17:34,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-28 12:17:34,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 12:17:34,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 12:17:34,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 12:17:34,420 INFO L87 Difference]: Start difference. First operand 799 states and 936 transitions. Second operand 13 states. [2018-11-28 12:17:34,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:17:34,460 INFO L93 Difference]: Finished difference Result 1062 states and 1246 transitions. [2018-11-28 12:17:34,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 12:17:34,461 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 207 [2018-11-28 12:17:34,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:17:34,461 INFO L225 Difference]: With dead ends: 1062 [2018-11-28 12:17:34,462 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:17:34,463 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:17:34,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:17:34,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:17:34,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:17:34,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:17:34,464 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2018-11-28 12:17:34,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:17:34,464 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:17:34,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 12:17:34,464 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:17:34,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:17:34,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 12:17:34,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:34,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:17:35,872 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 674 680) the Hoare annotation is: true [2018-11-28 12:17:35,872 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 674 680) no Hoare annotation was computed. [2018-11-28 12:17:35,872 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 681 689) no Hoare annotation was computed. [2018-11-28 12:17:35,872 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 681 689) the Hoare annotation is: true [2018-11-28 12:17:35,872 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 681 689) no Hoare annotation was computed. [2018-11-28 12:17:35,872 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 430) no Hoare annotation was computed. [2018-11-28 12:17:35,872 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 409 433) no Hoare annotation was computed. [2018-11-28 12:17:35,872 INFO L451 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: true [2018-11-28 12:17:35,872 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 409 433) the Hoare annotation is: true [2018-11-28 12:17:35,872 INFO L448 ceAbstractionStarter]: For program point L415-1(line 415) no Hoare annotation was computed. [2018-11-28 12:17:35,872 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 409 433) no Hoare annotation was computed. [2018-11-28 12:17:35,873 INFO L444 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-11-28 12:17:35,873 INFO L448 ceAbstractionStarter]: For program point L421(lines 421 427) no Hoare annotation was computed. [2018-11-28 12:17:35,873 INFO L444 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-11-28 12:17:35,873 INFO L448 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2018-11-28 12:17:35,873 INFO L448 ceAbstractionStarter]: For program point L642-1(lines 642 649) no Hoare annotation was computed. [2018-11-28 12:17:35,873 INFO L448 ceAbstractionStarter]: For program point L640(line 640) no Hoare annotation was computed. [2018-11-28 12:17:35,873 INFO L444 ceAbstractionStarter]: At program point L639(line 639) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:17:35,873 INFO L444 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:17:35,873 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 632 654) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:17:35,873 INFO L444 ceAbstractionStarter]: At program point L638-1(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:17:35,873 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 632 654) no Hoare annotation was computed. [2018-11-28 12:17:35,874 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 632 654) no Hoare annotation was computed. [2018-11-28 12:17:35,874 INFO L444 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:17:35,874 INFO L444 ceAbstractionStarter]: At program point L644-1(line 644) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:17:35,874 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 649) no Hoare annotation was computed. [2018-11-28 12:17:35,874 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 825 833) no Hoare annotation was computed. [2018-11-28 12:17:35,874 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 825 833) the Hoare annotation is: true [2018-11-28 12:17:35,874 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 825 833) no Hoare annotation was computed. [2018-11-28 12:17:35,874 INFO L451 ceAbstractionStarter]: At program point L896(line 896) the Hoare annotation is: true [2018-11-28 12:17:35,874 INFO L448 ceAbstractionStarter]: For program point L898-2(lines 898 902) no Hoare annotation was computed. [2018-11-28 12:17:35,874 INFO L448 ceAbstractionStarter]: For program point L896-1(line 896) no Hoare annotation was computed. [2018-11-28 12:17:35,874 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 889 907) the Hoare annotation is: true [2018-11-28 12:17:35,874 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 889 907) no Hoare annotation was computed. [2018-11-28 12:17:35,874 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 902) no Hoare annotation was computed. [2018-11-28 12:17:35,874 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 889 907) no Hoare annotation was computed. [2018-11-28 12:17:35,874 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 667 673) no Hoare annotation was computed. [2018-11-28 12:17:35,874 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 667 673) the Hoare annotation is: true [2018-11-28 12:17:35,875 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 619 628) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:17:35,875 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 619 628) no Hoare annotation was computed. [2018-11-28 12:17:35,875 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 619 628) no Hoare annotation was computed. [2018-11-28 12:17:35,875 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 814 824) the Hoare annotation is: true [2018-11-28 12:17:35,875 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 814 824) no Hoare annotation was computed. [2018-11-28 12:17:35,875 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 814 824) no Hoare annotation was computed. [2018-11-28 12:17:35,875 INFO L451 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2018-11-28 12:17:35,875 INFO L448 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2018-11-28 12:17:35,875 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 806 813) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) (not (= ~systemActive~0 1))) [2018-11-28 12:17:35,875 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 806 813) no Hoare annotation was computed. [2018-11-28 12:17:35,876 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 806 813) no Hoare annotation was computed. [2018-11-28 12:17:35,876 INFO L444 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: (or (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 12:17:35,876 INFO L444 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= processEnvironment_~tmp~6 1)) .cse0 .cse1))) [2018-11-28 12:17:35,876 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 771) no Hoare annotation was computed. [2018-11-28 12:17:35,876 INFO L444 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-28 12:17:35,876 INFO L448 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2018-11-28 12:17:35,876 INFO L448 ceAbstractionStarter]: For program point L759(lines 759 776) no Hoare annotation was computed. [2018-11-28 12:17:35,876 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 755 779) no Hoare annotation was computed. [2018-11-28 12:17:35,877 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 755 779) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 12:17:35,877 INFO L444 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~pumpRunning~0)| 0) .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-28 12:17:35,877 INFO L448 ceAbstractionStarter]: For program point L774-1(lines 755 779) no Hoare annotation was computed. [2018-11-28 12:17:35,877 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2018-11-28 12:17:35,877 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 530 543) no Hoare annotation was computed. [2018-11-28 12:17:35,877 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 530 543) the Hoare annotation is: true [2018-11-28 12:17:35,877 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 530 543) no Hoare annotation was computed. [2018-11-28 12:17:35,877 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 721 727) no Hoare annotation was computed. [2018-11-28 12:17:35,877 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 721 727) the Hoare annotation is: true [2018-11-28 12:17:35,877 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 933) no Hoare annotation was computed. [2018-11-28 12:17:35,878 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 917 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:17:35,878 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 917 982) no Hoare annotation was computed. [2018-11-28 12:17:35,878 INFO L444 ceAbstractionStarter]: At program point L975(lines 926 976) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:17:35,878 INFO L448 ceAbstractionStarter]: For program point L965(lines 965 969) no Hoare annotation was computed. [2018-11-28 12:17:35,878 INFO L444 ceAbstractionStarter]: At program point L965-2(lines 957 970) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 12:17:35,878 INFO L448 ceAbstractionStarter]: For program point L928(lines 927 974) no Hoare annotation was computed. [2018-11-28 12:17:35,878 INFO L444 ceAbstractionStarter]: At program point L959(line 959) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 12:17:35,878 INFO L448 ceAbstractionStarter]: For program point L957(lines 957 970) no Hoare annotation was computed. [2018-11-28 12:17:35,879 INFO L444 ceAbstractionStarter]: At program point L949(line 949) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 12:17:35,879 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 953) no Hoare annotation was computed. [2018-11-28 12:17:35,879 INFO L448 ceAbstractionStarter]: For program point L947-1(lines 947 953) no Hoare annotation was computed. [2018-11-28 12:17:35,879 INFO L444 ceAbstractionStarter]: At program point L972(lines 927 974) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 12:17:35,879 INFO L444 ceAbstractionStarter]: At program point L939(line 939) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 12:17:35,879 INFO L448 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2018-11-28 12:17:35,879 INFO L448 ceAbstractionStarter]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2018-11-28 12:17:35,879 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 917 982) no Hoare annotation was computed. [2018-11-28 12:17:35,880 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 780 787) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-28 12:17:35,880 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 780 787) no Hoare annotation was computed. [2018-11-28 12:17:35,880 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 780 787) no Hoare annotation was computed. [2018-11-28 12:17:35,880 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 544 552) no Hoare annotation was computed. [2018-11-28 12:17:35,880 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 544 552) the Hoare annotation is: true [2018-11-28 12:17:35,880 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 544 552) no Hoare annotation was computed. [2018-11-28 12:17:35,880 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:17:35,880 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)) [2018-11-28 12:17:35,880 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:17:35,880 INFO L444 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-28 12:17:35,881 INFO L448 ceAbstractionStarter]: For program point L800-1(lines 789 805) no Hoare annotation was computed. [2018-11-28 12:17:35,881 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 802) no Hoare annotation was computed. [2018-11-28 12:17:35,881 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 789 805) no Hoare annotation was computed. [2018-11-28 12:17:35,881 INFO L444 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-28 12:17:35,881 INFO L448 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2018-11-28 12:17:35,881 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 789 805) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-28 12:17:35,881 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 870 888) no Hoare annotation was computed. [2018-11-28 12:17:35,881 INFO L448 ceAbstractionStarter]: For program point L879(lines 879 883) no Hoare annotation was computed. [2018-11-28 12:17:35,881 INFO L451 ceAbstractionStarter]: At program point L877(line 877) the Hoare annotation is: true [2018-11-28 12:17:35,881 INFO L448 ceAbstractionStarter]: For program point L879-2(lines 879 883) no Hoare annotation was computed. [2018-11-28 12:17:35,882 INFO L448 ceAbstractionStarter]: For program point L877-1(line 877) no Hoare annotation was computed. [2018-11-28 12:17:35,882 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 870 888) the Hoare annotation is: true [2018-11-28 12:17:35,882 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 870 888) no Hoare annotation was computed. [2018-11-28 12:17:35,882 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 521 529) the Hoare annotation is: true [2018-11-28 12:17:35,882 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 521 529) no Hoare annotation was computed. [2018-11-28 12:17:35,882 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 521 529) no Hoare annotation was computed. [2018-11-28 12:17:35,882 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 477 488) no Hoare annotation was computed. [2018-11-28 12:17:35,882 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 477 488) the Hoare annotation is: true [2018-11-28 12:17:35,882 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 477 488) no Hoare annotation was computed. [2018-11-28 12:17:35,882 INFO L444 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< |old(~waterLevel~0)| 2) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0))) [2018-11-28 12:17:35,883 INFO L448 ceAbstractionStarter]: For program point L701(lines 700 719) no Hoare annotation was computed. [2018-11-28 12:17:35,883 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 697 720) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) (or (< |old(~waterLevel~0)| 2) .cse1)) (or (not (= 0 |old(~pumpRunning~0)|)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse0) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 12:17:35,883 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 697 720) no Hoare annotation was computed. [2018-11-28 12:17:35,883 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 697 720) no Hoare annotation was computed. [2018-11-28 12:17:35,883 INFO L444 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse1) (or .cse3 .cse2)) (or (or .cse0 .cse2) .cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)))) [2018-11-28 12:17:35,883 INFO L444 ceAbstractionStarter]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 1))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not .cse3)) (.cse2 (and (<= 2 ~waterLevel~0) (= ~waterLevel~0 |old(~waterLevel~0)|) .cse3))) (and (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) .cse2 (or (< |old(~waterLevel~0)| 2) .cse1)) (or (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 (< |old(~waterLevel~0)| 1) .cse1 .cse2)))) [2018-11-28 12:17:35,883 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-28 12:17:35,883 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 556 585) no Hoare annotation was computed. [2018-11-28 12:17:35,884 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 556 585) the Hoare annotation is: true [2018-11-28 12:17:35,884 INFO L448 ceAbstractionStarter]: For program point L570(lines 570 574) no Hoare annotation was computed. [2018-11-28 12:17:35,884 INFO L451 ceAbstractionStarter]: At program point L570-1(lines 570 574) the Hoare annotation is: true [2018-11-28 12:17:35,884 INFO L448 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2018-11-28 12:17:35,884 INFO L451 ceAbstractionStarter]: At program point L566-2(lines 566 580) the Hoare annotation is: true [2018-11-28 12:17:35,884 INFO L451 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: true [2018-11-28 12:17:35,884 INFO L448 ceAbstractionStarter]: For program point L562-1(line 562) no Hoare annotation was computed. [2018-11-28 12:17:35,884 INFO L451 ceAbstractionStarter]: At program point L581(lines 556 585) the Hoare annotation is: true [2018-11-28 12:17:35,884 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 489 497) the Hoare annotation is: true [2018-11-28 12:17:35,884 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 489 497) no Hoare annotation was computed. [2018-11-28 12:17:35,884 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 489 497) no Hoare annotation was computed. [2018-11-28 12:17:35,885 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 453 464) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) (< |old(~waterLevel~0)| 2)) [2018-11-28 12:17:35,885 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 453 464) no Hoare annotation was computed. [2018-11-28 12:17:35,885 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 453 464) no Hoare annotation was computed. [2018-11-28 12:17:35,885 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 611 617) no Hoare annotation was computed. [2018-11-28 12:17:35,885 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 611 617) the Hoare annotation is: true [2018-11-28 12:17:35,885 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:17:35,885 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-11-28 12:17:35,885 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:17:35,885 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:17:35,885 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 908 915) no Hoare annotation was computed. [2018-11-28 12:17:35,886 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 908 915) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse0 (or (< ~waterLevel~0 2) .cse1)))) [2018-11-28 12:17:35,886 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 908 915) no Hoare annotation was computed. [2018-11-28 12:17:35,886 INFO L448 ceAbstractionStarter]: For program point L737(lines 737 745) no Hoare annotation was computed. [2018-11-28 12:17:35,886 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 729 753) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 12:17:35,886 INFO L444 ceAbstractionStarter]: At program point L735(line 735) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 12:17:35,886 INFO L448 ceAbstractionStarter]: For program point L735-1(line 735) no Hoare annotation was computed. [2018-11-28 12:17:35,886 INFO L448 ceAbstractionStarter]: For program point L733(lines 733 750) no Hoare annotation was computed. [2018-11-28 12:17:35,886 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 729 753) no Hoare annotation was computed. [2018-11-28 12:17:35,886 INFO L444 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 12:17:35,886 INFO L448 ceAbstractionStarter]: For program point L748-1(lines 729 753) no Hoare annotation was computed. [2018-11-28 12:17:35,886 INFO L444 ceAbstractionStarter]: At program point L743(line 743) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 12:17:35,887 INFO L444 ceAbstractionStarter]: At program point L739(line 739) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-28 12:17:35,887 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 465 476) no Hoare annotation was computed. [2018-11-28 12:17:35,887 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 465 476) no Hoare annotation was computed. [2018-11-28 12:17:35,887 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 465 476) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or .cse1 (< |old(~waterLevel~0)| 1) (or (not (= 0 ~pumpRunning~0)) .cse0)))) [2018-11-28 12:17:35,887 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 435 442) no Hoare annotation was computed. [2018-11-28 12:17:35,887 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2018-11-28 12:17:35,887 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 435 442) the Hoare annotation is: true [2018-11-28 12:17:35,887 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 435 442) no Hoare annotation was computed. [2018-11-28 12:17:35,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:17:35 BoogieIcfgContainer [2018-11-28 12:17:35,901 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:17:35,901 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:17:35,901 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:17:35,901 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:17:35,902 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:17:27" (3/4) ... [2018-11-28 12:17:35,905 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:17:35,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 12:17:35,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 12:17:35,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 12:17:35,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:17:35,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 12:17:35,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 12:17:35,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 12:17:35,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 12:17:35,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 12:17:35,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 12:17:35,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 12:17:35,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 12:17:35,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 12:17:35,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 12:17:35,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 12:17:35,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 12:17:35,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:17:35,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 12:17:35,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 12:17:35,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 12:17:35,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 12:17:35,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 12:17:35,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 12:17:35,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 12:17:35,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 12:17:35,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 12:17:35,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 12:17:35,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:17:35,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 12:17:35,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 12:17:35,920 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-28 12:17:35,921 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 12:17:35,921 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-28 12:17:35,921 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 12:17:35,922 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 12:17:35,922 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 12:17:35,943 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 12:17:35,943 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 12:17:35,980 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fd6bc5a8-5ac0-467c-952b-d867fe3088fb/bin-2019/uautomizer/witness.graphml [2018-11-28 12:17:35,980 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:17:35,981 INFO L168 Benchmark]: Toolchain (without parser) took 9631.42 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 312.0 MB). Free memory was 949.6 MB in the beginning and 875.6 MB in the end (delta: 73.9 MB). Peak memory consumption was 385.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:17:35,982 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:17:35,982 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:17:35,983 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.73 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:17:35,983 INFO L168 Benchmark]: Boogie Preprocessor took 35.58 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. [2018-11-28 12:17:35,983 INFO L168 Benchmark]: RCFGBuilder took 497.11 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2018-11-28 12:17:35,983 INFO L168 Benchmark]: TraceAbstraction took 8600.49 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 174.1 MB). Free memory was 1.1 GB in the beginning and 884.7 MB in the end (delta: 182.6 MB). Peak memory consumption was 356.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:17:35,984 INFO L168 Benchmark]: Witness Printer took 79.26 ms. Allocated memory is still 1.3 GB. Free memory was 884.7 MB in the beginning and 875.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:17:35,985 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 386.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.73 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.58 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. * RCFGBuilder took 497.11 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8600.49 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 174.1 MB). Free memory was 1.1 GB in the beginning and 884.7 MB in the end (delta: 182.6 MB). Peak memory consumption was 356.7 MB. Max. memory is 11.5 GB. * Witness Printer took 79.26 ms. Allocated memory is still 1.3 GB. Free memory was 884.7 MB in the beginning and 875.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: ((((((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 160 locations, 1 error locations. SAFE Result, 8.5s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 4.9s AutomataDifference, 0.0s DeadEndRemovalTime, 1.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1794 SDtfs, 2854 SDslu, 5764 SDs, 0 SdLazy, 5699 SolverSat, 1713 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 853 GetRequests, 703 SyntacticMatches, 4 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1418 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=869occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 311 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 1525 PreInvPairs, 1575 NumberOfFragments, 1049 HoareAnnotationTreeSize, 1525 FomulaSimplifications, 4644 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 66 FomulaSimplificationsInter, 5157 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1662 NumberOfCodeBlocks, 1662 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1648 ConstructedInterpolants, 0 QuantifiedInterpolants, 351160 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3581 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 410/442 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...