./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_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_b65ac8a4-419d-4816-8626-32c575eeb24b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b65ac8a4-419d-4816-8626-32c575eeb24b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b65ac8a4-419d-4816-8626-32c575eeb24b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b65ac8a4-419d-4816-8626-32c575eeb24b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b65ac8a4-419d-4816-8626-32c575eeb24b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b65ac8a4-419d-4816-8626-32c575eeb24b/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 e8e2fe939766c7a542c760a74550866c5b83d51d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 10:34:06,741 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 10:34:06,742 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 10:34:06,749 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 10:34:06,749 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 10:34:06,750 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 10:34:06,751 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 10:34:06,752 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 10:34:06,753 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 10:34:06,753 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 10:34:06,754 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 10:34:06,754 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 10:34:06,755 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 10:34:06,755 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 10:34:06,756 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 10:34:06,757 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 10:34:06,757 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 10:34:06,759 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 10:34:06,760 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 10:34:06,761 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 10:34:06,761 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 10:34:06,762 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 10:34:06,764 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 10:34:06,764 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 10:34:06,764 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 10:34:06,765 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 10:34:06,765 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 10:34:06,766 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 10:34:06,767 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 10:34:06,767 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 10:34:06,767 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 10:34:06,768 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 10:34:06,768 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 10:34:06,768 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 10:34:06,769 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 10:34:06,769 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 10:34:06,769 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b65ac8a4-419d-4816-8626-32c575eeb24b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 10:34:06,779 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 10:34:06,779 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 10:34:06,780 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 10:34:06,780 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 10:34:06,780 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 10:34:06,780 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 10:34:06,781 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 10:34:06,781 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 10:34:06,781 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 10:34:06,781 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 10:34:06,781 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 10:34:06,781 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 10:34:06,781 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 10:34:06,781 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 10:34:06,781 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 10:34:06,781 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 10:34:06,782 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 10:34:06,782 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 10:34:06,782 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 10:34:06,782 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 10:34:06,782 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 10:34:06,782 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 10:34:06,782 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 10:34:06,782 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 10:34:06,783 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 10:34:06,783 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 10:34:06,783 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 10:34:06,783 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 10:34:06,783 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 10:34:06,783 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 10:34:06,783 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_b65ac8a4-419d-4816-8626-32c575eeb24b/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 -> e8e2fe939766c7a542c760a74550866c5b83d51d [2018-11-28 10:34:06,807 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 10:34:06,816 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 10:34:06,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 10:34:06,819 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 10:34:06,820 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 10:34:06,820 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b65ac8a4-419d-4816-8626-32c575eeb24b/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product58_true-unreach-call_false-termination.cil.c [2018-11-28 10:34:06,860 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b65ac8a4-419d-4816-8626-32c575eeb24b/bin-2019/uautomizer/data/4c0a85528/b66871cbfaeb444d9bf2b1bdfd86c087/FLAG07b7c4010 [2018-11-28 10:34:07,201 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 10:34:07,201 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b65ac8a4-419d-4816-8626-32c575eeb24b/sv-benchmarks/c/product-lines/minepump_spec5_product58_true-unreach-call_false-termination.cil.c [2018-11-28 10:34:07,209 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b65ac8a4-419d-4816-8626-32c575eeb24b/bin-2019/uautomizer/data/4c0a85528/b66871cbfaeb444d9bf2b1bdfd86c087/FLAG07b7c4010 [2018-11-28 10:34:07,220 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b65ac8a4-419d-4816-8626-32c575eeb24b/bin-2019/uautomizer/data/4c0a85528/b66871cbfaeb444d9bf2b1bdfd86c087 [2018-11-28 10:34:07,222 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 10:34:07,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 10:34:07,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 10:34:07,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 10:34:07,227 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 10:34:07,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:34:07" (1/1) ... [2018-11-28 10:34:07,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d208f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:07, skipping insertion in model container [2018-11-28 10:34:07,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:34:07" (1/1) ... [2018-11-28 10:34:07,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 10:34:07,266 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 10:34:07,455 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:34:07,510 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 10:34:07,567 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:34:07,588 INFO L195 MainTranslator]: Completed translation [2018-11-28 10:34:07,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:07 WrapperNode [2018-11-28 10:34:07,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 10:34:07,589 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 10:34:07,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 10:34:07,589 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 10:34:07,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:07" (1/1) ... [2018-11-28 10:34:07,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:07" (1/1) ... [2018-11-28 10:34:07,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 10:34:07,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 10:34:07,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 10:34:07,610 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 10:34:07,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:07" (1/1) ... [2018-11-28 10:34:07,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:07" (1/1) ... [2018-11-28 10:34:07,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:07" (1/1) ... [2018-11-28 10:34:07,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:07" (1/1) ... [2018-11-28 10:34:07,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:07" (1/1) ... [2018-11-28 10:34:07,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:07" (1/1) ... [2018-11-28 10:34:07,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:07" (1/1) ... [2018-11-28 10:34:07,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 10:34:07,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 10:34:07,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 10:34:07,635 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 10:34:07,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b65ac8a4-419d-4816-8626-32c575eeb24b/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 10:34:07,671 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 10:34:07,672 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 10:34:07,672 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 10:34:07,672 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 10:34:07,672 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 10:34:07,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 10:34:07,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 10:34:07,672 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 10:34:07,672 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 10:34:07,672 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 10:34:07,672 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 10:34:07,673 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 10:34:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 10:34:07,673 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 10:34:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 10:34:07,673 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 10:34:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 10:34:07,673 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 10:34:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 10:34:07,673 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 10:34:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 10:34:07,673 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 10:34:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 10:34:07,674 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 10:34:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 10:34:07,674 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 10:34:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 10:34:07,674 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 10:34:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 10:34:07,674 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 10:34:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 10:34:07,675 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 10:34:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 10:34:07,675 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 10:34:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 10:34:07,675 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 10:34:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 10:34:07,675 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 10:34:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 10:34:07,676 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 10:34:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 10:34:07,676 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 10:34:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 10:34:07,676 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 10:34:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 10:34:07,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-28 10:34:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-28 10:34:07,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-28 10:34:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-28 10:34:07,677 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-28 10:34:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-28 10:34:07,677 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 10:34:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 10:34:07,677 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 10:34:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 10:34:07,677 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 10:34:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 10:34:07,678 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 10:34:07,678 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 10:34:07,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 10:34:07,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 10:34:07,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 10:34:07,678 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 10:34:07,678 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 10:34:07,678 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 10:34:07,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 10:34:07,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 10:34:07,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 10:34:08,079 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 10:34:08,079 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 10:34:08,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:34:08 BoogieIcfgContainer [2018-11-28 10:34:08,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 10:34:08,080 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 10:34:08,080 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 10:34:08,082 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 10:34:08,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:34:07" (1/3) ... [2018-11-28 10:34:08,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f190df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:34:08, skipping insertion in model container [2018-11-28 10:34:08,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:34:07" (2/3) ... [2018-11-28 10:34:08,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f190df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:34:08, skipping insertion in model container [2018-11-28 10:34:08,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:34:08" (3/3) ... [2018-11-28 10:34:08,084 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58_true-unreach-call_false-termination.cil.c [2018-11-28 10:34:08,090 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 10:34:08,095 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 10:34:08,104 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 10:34:08,124 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 10:34:08,125 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 10:34:08,125 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 10:34:08,125 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 10:34:08,125 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 10:34:08,125 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 10:34:08,125 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 10:34:08,125 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 10:34:08,125 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 10:34:08,140 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states. [2018-11-28 10:34:08,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-28 10:34:08,146 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:34:08,146 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:34:08,148 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:34:08,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:08,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1027884273, now seen corresponding path program 1 times [2018-11-28 10:34:08,153 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:34:08,153 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:34:08,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:08,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:08,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:34:08,332 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 10:34:08,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:34:08,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 10:34:08,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 10:34:08,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 10:34:08,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 10:34:08,345 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 2 states. [2018-11-28 10:34:08,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:34:08,376 INFO L93 Difference]: Finished difference Result 310 states and 377 transitions. [2018-11-28 10:34:08,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 10:34:08,377 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-28 10:34:08,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:34:08,384 INFO L225 Difference]: With dead ends: 310 [2018-11-28 10:34:08,385 INFO L226 Difference]: Without dead ends: 157 [2018-11-28 10:34:08,387 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 10:34:08,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-11-28 10:34:08,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-11-28 10:34:08,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-11-28 10:34:08,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 182 transitions. [2018-11-28 10:34:08,428 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 182 transitions. Word has length 59 [2018-11-28 10:34:08,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:34:08,429 INFO L480 AbstractCegarLoop]: Abstraction has 157 states and 182 transitions. [2018-11-28 10:34:08,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 10:34:08,429 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 182 transitions. [2018-11-28 10:34:08,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-28 10:34:08,432 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:34:08,432 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:34:08,432 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:34:08,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:08,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1351629168, now seen corresponding path program 1 times [2018-11-28 10:34:08,433 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:34:08,433 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:34:08,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:08,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:08,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:34:08,525 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 10:34:08,525 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:34:08,525 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 10:34:08,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 10:34:08,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 10:34:08,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 10:34:08,527 INFO L87 Difference]: Start difference. First operand 157 states and 182 transitions. Second operand 3 states. [2018-11-28 10:34:08,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:34:08,546 INFO L93 Difference]: Finished difference Result 255 states and 295 transitions. [2018-11-28 10:34:08,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 10:34:08,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-28 10:34:08,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:34:08,548 INFO L225 Difference]: With dead ends: 255 [2018-11-28 10:34:08,548 INFO L226 Difference]: Without dead ends: 148 [2018-11-28 10:34:08,549 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 10:34:08,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-28 10:34:08,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-11-28 10:34:08,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-11-28 10:34:08,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 170 transitions. [2018-11-28 10:34:08,561 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 170 transitions. Word has length 60 [2018-11-28 10:34:08,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:34:08,562 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 170 transitions. [2018-11-28 10:34:08,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 10:34:08,562 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 170 transitions. [2018-11-28 10:34:08,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-28 10:34:08,563 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:34:08,563 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:34:08,563 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:34:08,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:08,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1448576393, now seen corresponding path program 1 times [2018-11-28 10:34:08,564 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:34:08,564 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:34:08,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:08,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:08,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:34:08,678 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 10:34:08,679 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:34:08,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 10:34:08,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 10:34:08,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 10:34:08,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 10:34:08,680 INFO L87 Difference]: Start difference. First operand 148 states and 170 transitions. Second operand 7 states. [2018-11-28 10:34:08,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:34:08,898 INFO L93 Difference]: Finished difference Result 268 states and 313 transitions. [2018-11-28 10:34:08,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 10:34:08,898 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-28 10:34:08,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:34:08,899 INFO L225 Difference]: With dead ends: 268 [2018-11-28 10:34:08,899 INFO L226 Difference]: Without dead ends: 148 [2018-11-28 10:34:08,900 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 10:34:08,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-28 10:34:08,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-11-28 10:34:08,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-11-28 10:34:08,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 169 transitions. [2018-11-28 10:34:08,912 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 169 transitions. Word has length 65 [2018-11-28 10:34:08,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:34:08,913 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 169 transitions. [2018-11-28 10:34:08,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 10:34:08,914 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 169 transitions. [2018-11-28 10:34:08,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-28 10:34:08,915 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:34:08,915 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:34:08,916 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:34:08,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:08,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1220934222, now seen corresponding path program 1 times [2018-11-28 10:34:08,916 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:34:08,916 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:34:08,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:08,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:08,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:34:09,005 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 10:34:09,005 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:34:09,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 10:34:09,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 10:34:09,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 10:34:09,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 10:34:09,006 INFO L87 Difference]: Start difference. First operand 148 states and 169 transitions. Second operand 5 states. [2018-11-28 10:34:09,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:34:09,378 INFO L93 Difference]: Finished difference Result 376 states and 449 transitions. [2018-11-28 10:34:09,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 10:34:09,378 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2018-11-28 10:34:09,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:34:09,380 INFO L225 Difference]: With dead ends: 376 [2018-11-28 10:34:09,380 INFO L226 Difference]: Without dead ends: 256 [2018-11-28 10:34:09,381 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 10:34:09,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-11-28 10:34:09,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 237. [2018-11-28 10:34:09,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-11-28 10:34:09,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 270 transitions. [2018-11-28 10:34:09,398 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 270 transitions. Word has length 78 [2018-11-28 10:34:09,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:34:09,399 INFO L480 AbstractCegarLoop]: Abstraction has 237 states and 270 transitions. [2018-11-28 10:34:09,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 10:34:09,399 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 270 transitions. [2018-11-28 10:34:09,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-28 10:34:09,400 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:34:09,400 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:34:09,400 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:34:09,401 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:09,401 INFO L82 PathProgramCache]: Analyzing trace with hash -324045848, now seen corresponding path program 1 times [2018-11-28 10:34:09,401 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:34:09,401 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:34:09,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:09,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:09,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:34:09,480 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 10:34:09,481 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:34:09,481 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 10:34:09,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 10:34:09,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 10:34:09,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 10:34:09,482 INFO L87 Difference]: Start difference. First operand 237 states and 270 transitions. Second operand 7 states. [2018-11-28 10:34:09,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:34:09,897 INFO L93 Difference]: Finished difference Result 464 states and 545 transitions. [2018-11-28 10:34:09,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 10:34:09,899 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2018-11-28 10:34:09,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:34:09,901 INFO L225 Difference]: With dead ends: 464 [2018-11-28 10:34:09,901 INFO L226 Difference]: Without dead ends: 255 [2018-11-28 10:34:09,902 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 10:34:09,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-11-28 10:34:09,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 236. [2018-11-28 10:34:09,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-11-28 10:34:09,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 267 transitions. [2018-11-28 10:34:09,920 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 267 transitions. Word has length 92 [2018-11-28 10:34:09,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:34:09,921 INFO L480 AbstractCegarLoop]: Abstraction has 236 states and 267 transitions. [2018-11-28 10:34:09,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 10:34:09,921 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 267 transitions. [2018-11-28 10:34:09,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-28 10:34:09,922 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:34:09,922 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:34:09,922 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:34:09,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:09,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1451774325, now seen corresponding path program 1 times [2018-11-28 10:34:09,923 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:34:09,923 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:34:09,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:09,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:09,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:34:09,987 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 10:34:09,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:34:09,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 10:34:09,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 10:34:09,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 10:34:09,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 10:34:09,993 INFO L87 Difference]: Start difference. First operand 236 states and 267 transitions. Second operand 6 states. [2018-11-28 10:34:10,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:34:10,016 INFO L93 Difference]: Finished difference Result 451 states and 522 transitions. [2018-11-28 10:34:10,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 10:34:10,017 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2018-11-28 10:34:10,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:34:10,018 INFO L225 Difference]: With dead ends: 451 [2018-11-28 10:34:10,018 INFO L226 Difference]: Without dead ends: 243 [2018-11-28 10:34:10,019 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 10:34:10,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-11-28 10:34:10,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 241. [2018-11-28 10:34:10,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-11-28 10:34:10,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 272 transitions. [2018-11-28 10:34:10,032 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 272 transitions. Word has length 108 [2018-11-28 10:34:10,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:34:10,032 INFO L480 AbstractCegarLoop]: Abstraction has 241 states and 272 transitions. [2018-11-28 10:34:10,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 10:34:10,032 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 272 transitions. [2018-11-28 10:34:10,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-28 10:34:10,034 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:34:10,034 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:34:10,034 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:34:10,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:10,034 INFO L82 PathProgramCache]: Analyzing trace with hash 476498377, now seen corresponding path program 1 times [2018-11-28 10:34:10,034 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:34:10,034 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:34:10,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:10,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:10,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:34:10,112 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 10:34:10,112 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:34:10,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 10:34:10,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 10:34:10,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 10:34:10,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 10:34:10,113 INFO L87 Difference]: Start difference. First operand 241 states and 272 transitions. Second operand 8 states. [2018-11-28 10:34:10,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:34:10,135 INFO L93 Difference]: Finished difference Result 461 states and 533 transitions. [2018-11-28 10:34:10,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 10:34:10,136 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2018-11-28 10:34:10,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:34:10,137 INFO L225 Difference]: With dead ends: 461 [2018-11-28 10:34:10,137 INFO L226 Difference]: Without dead ends: 248 [2018-11-28 10:34:10,138 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 10:34:10,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2018-11-28 10:34:10,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 245. [2018-11-28 10:34:10,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-11-28 10:34:10,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 276 transitions. [2018-11-28 10:34:10,148 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 276 transitions. Word has length 108 [2018-11-28 10:34:10,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:34:10,148 INFO L480 AbstractCegarLoop]: Abstraction has 245 states and 276 transitions. [2018-11-28 10:34:10,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 10:34:10,149 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 276 transitions. [2018-11-28 10:34:10,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-28 10:34:10,150 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:34:10,150 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:34:10,150 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:34:10,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:10,150 INFO L82 PathProgramCache]: Analyzing trace with hash 235958248, now seen corresponding path program 1 times [2018-11-28 10:34:10,150 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:34:10,150 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:34:10,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:10,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:10,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:34:10,223 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 10:34:10,223 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:34:10,223 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 10:34:10,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 10:34:10,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 10:34:10,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 10:34:10,224 INFO L87 Difference]: Start difference. First operand 245 states and 276 transitions. Second operand 4 states. [2018-11-28 10:34:10,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:34:10,355 INFO L93 Difference]: Finished difference Result 701 states and 827 transitions. [2018-11-28 10:34:10,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 10:34:10,355 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2018-11-28 10:34:10,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:34:10,357 INFO L225 Difference]: With dead ends: 701 [2018-11-28 10:34:10,358 INFO L226 Difference]: Without dead ends: 484 [2018-11-28 10:34:10,358 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 10:34:10,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2018-11-28 10:34:10,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 475. [2018-11-28 10:34:10,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2018-11-28 10:34:10,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 550 transitions. [2018-11-28 10:34:10,380 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 550 transitions. Word has length 108 [2018-11-28 10:34:10,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:34:10,381 INFO L480 AbstractCegarLoop]: Abstraction has 475 states and 550 transitions. [2018-11-28 10:34:10,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 10:34:10,381 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 550 transitions. [2018-11-28 10:34:10,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-28 10:34:10,382 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:34:10,382 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:34:10,382 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:34:10,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:10,383 INFO L82 PathProgramCache]: Analyzing trace with hash -170220190, now seen corresponding path program 1 times [2018-11-28 10:34:10,383 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:34:10,383 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:34:10,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:10,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:10,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:34:10,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 10:34:10,508 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:34:10,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 10:34:10,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 10:34:10,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 10:34:10,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-28 10:34:10,509 INFO L87 Difference]: Start difference. First operand 475 states and 550 transitions. Second operand 9 states. [2018-11-28 10:34:11,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:34:11,152 INFO L93 Difference]: Finished difference Result 1254 states and 1515 transitions. [2018-11-28 10:34:11,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-28 10:34:11,153 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2018-11-28 10:34:11,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:34:11,156 INFO L225 Difference]: With dead ends: 1254 [2018-11-28 10:34:11,156 INFO L226 Difference]: Without dead ends: 879 [2018-11-28 10:34:11,157 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-28 10:34:11,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2018-11-28 10:34:11,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 798. [2018-11-28 10:34:11,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2018-11-28 10:34:11,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 913 transitions. [2018-11-28 10:34:11,187 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 913 transitions. Word has length 112 [2018-11-28 10:34:11,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:34:11,187 INFO L480 AbstractCegarLoop]: Abstraction has 798 states and 913 transitions. [2018-11-28 10:34:11,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 10:34:11,188 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 913 transitions. [2018-11-28 10:34:11,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-28 10:34:11,190 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:34:11,190 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:34:11,191 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:34:11,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:11,191 INFO L82 PathProgramCache]: Analyzing trace with hash -344611462, now seen corresponding path program 1 times [2018-11-28 10:34:11,191 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:34:11,191 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:34:11,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:11,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:11,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:34:11,316 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-28 10:34:11,316 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 10:34:11,316 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b65ac8a4-419d-4816-8626-32c575eeb24b/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 10:34:11,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:34:11,423 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:34:11,528 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:34:11,544 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 10:34:11,544 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2018-11-28 10:34:11,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-28 10:34:11,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-28 10:34:11,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-11-28 10:34:11,545 INFO L87 Difference]: Start difference. First operand 798 states and 913 transitions. Second operand 16 states. [2018-11-28 10:34:12,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:34:12,191 INFO L93 Difference]: Finished difference Result 1808 states and 2145 transitions. [2018-11-28 10:34:12,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-28 10:34:12,191 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 174 [2018-11-28 10:34:12,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:34:12,195 INFO L225 Difference]: With dead ends: 1808 [2018-11-28 10:34:12,195 INFO L226 Difference]: Without dead ends: 1108 [2018-11-28 10:34:12,196 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2018-11-28 10:34:12,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2018-11-28 10:34:12,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 964. [2018-11-28 10:34:12,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 964 states. [2018-11-28 10:34:12,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1113 transitions. [2018-11-28 10:34:12,235 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1113 transitions. Word has length 174 [2018-11-28 10:34:12,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:34:12,235 INFO L480 AbstractCegarLoop]: Abstraction has 964 states and 1113 transitions. [2018-11-28 10:34:12,235 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-28 10:34:12,235 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1113 transitions. [2018-11-28 10:34:12,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-28 10:34:12,239 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:34:12,239 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-28 10:34:12,239 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:34:12,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:12,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1489857951, now seen corresponding path program 1 times [2018-11-28 10:34:12,240 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:34:12,240 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:34:12,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:12,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:12,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:34:12,363 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 97 proven. 16 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2018-11-28 10:34:12,363 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 10:34:12,363 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b65ac8a4-419d-4816-8626-32c575eeb24b/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 10:34:12,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:34:12,486 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:34:12,631 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 216 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-28 10:34:12,647 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 10:34:12,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 18 [2018-11-28 10:34:12,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-28 10:34:12,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-28 10:34:12,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-11-28 10:34:12,648 INFO L87 Difference]: Start difference. First operand 964 states and 1113 transitions. Second operand 18 states. [2018-11-28 10:34:14,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:34:14,641 INFO L93 Difference]: Finished difference Result 2567 states and 3132 transitions. [2018-11-28 10:34:14,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-28 10:34:14,642 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 307 [2018-11-28 10:34:14,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:34:14,648 INFO L225 Difference]: With dead ends: 2567 [2018-11-28 10:34:14,648 INFO L226 Difference]: Without dead ends: 1395 [2018-11-28 10:34:14,651 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 312 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=336, Invalid=1304, Unknown=0, NotChecked=0, Total=1640 [2018-11-28 10:34:14,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2018-11-28 10:34:14,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1277. [2018-11-28 10:34:14,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1277 states. [2018-11-28 10:34:14,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1458 transitions. [2018-11-28 10:34:14,752 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1458 transitions. Word has length 307 [2018-11-28 10:34:14,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:34:14,753 INFO L480 AbstractCegarLoop]: Abstraction has 1277 states and 1458 transitions. [2018-11-28 10:34:14,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-28 10:34:14,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1458 transitions. [2018-11-28 10:34:14,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-11-28 10:34:14,759 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:34:14,759 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-28 10:34:14,759 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:34:14,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:34:14,760 INFO L82 PathProgramCache]: Analyzing trace with hash 405761917, now seen corresponding path program 1 times [2018-11-28 10:34:14,760 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:34:14,760 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:34:14,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:14,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:14,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:34:14,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:34:14,902 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 111 proven. 17 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2018-11-28 10:34:14,902 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 10:34:14,902 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b65ac8a4-419d-4816-8626-32c575eeb24b/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 10:34:14,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:34:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:34:15,073 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 10:34:15,200 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2018-11-28 10:34:15,226 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 10:34:15,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-28 10:34:15,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 10:34:15,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 10:34:15,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 10:34:15,227 INFO L87 Difference]: Start difference. First operand 1277 states and 1458 transitions. Second operand 13 states. [2018-11-28 10:34:15,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:34:15,322 INFO L93 Difference]: Finished difference Result 1560 states and 1771 transitions. [2018-11-28 10:34:15,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 10:34:15,323 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 392 [2018-11-28 10:34:15,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:34:15,324 INFO L225 Difference]: With dead ends: 1560 [2018-11-28 10:34:15,324 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 10:34:15,327 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 391 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 10:34:15,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 10:34:15,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 10:34:15,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 10:34:15,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 10:34:15,328 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 392 [2018-11-28 10:34:15,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:34:15,328 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 10:34:15,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 10:34:15,328 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 10:34:15,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 10:34:15,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 10:34:15,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:15,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:15,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:15,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:15,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:15,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:15,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:15,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:15,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:15,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:15,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:15,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:15,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:15,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:15,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:15,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:15,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:15,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:15,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:15,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:15,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:15,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:15,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:15,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:15,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:15,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:15,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 10:34:15,984 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 27 [2018-11-28 10:34:16,707 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 40 [2018-11-28 10:34:16,850 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2018-11-28 10:34:18,098 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2018-11-28 10:34:18,229 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 994 1000) the Hoare annotation is: true [2018-11-28 10:34:18,229 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 994 1000) no Hoare annotation was computed. [2018-11-28 10:34:18,229 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 1001 1009) no Hoare annotation was computed. [2018-11-28 10:34:18,229 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 1001 1009) the Hoare annotation is: true [2018-11-28 10:34:18,229 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 1001 1009) no Hoare annotation was computed. [2018-11-28 10:34:18,229 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 154 161) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-28 10:34:18,229 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 154 161) no Hoare annotation was computed. [2018-11-28 10:34:18,230 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 154 161) no Hoare annotation was computed. [2018-11-28 10:34:18,230 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 162 171) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1)))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse2))) [2018-11-28 10:34:18,230 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 162 171) no Hoare annotation was computed. [2018-11-28 10:34:18,230 INFO L448 ceAbstractionStarter]: For program point L167(line 167) no Hoare annotation was computed. [2018-11-28 10:34:18,230 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 162 171) no Hoare annotation was computed. [2018-11-28 10:34:18,230 INFO L444 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1))) [2018-11-28 10:34:18,230 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 191) no Hoare annotation was computed. [2018-11-28 10:34:18,230 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 194) no Hoare annotation was computed. [2018-11-28 10:34:18,230 INFO L444 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (let ((.cse3 (<= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0)) (.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse3 .cse0 .cse4) (or .cse3 .cse2 .cse0 .cse5 .cse4) (or .cse2 .cse0 .cse5 .cse1))) [2018-11-28 10:34:18,230 INFO L448 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-11-28 10:34:18,230 INFO L448 ceAbstractionStarter]: For program point L180(lines 180 197) no Hoare annotation was computed. [2018-11-28 10:34:18,230 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 172 200) no Hoare annotation was computed. [2018-11-28 10:34:18,230 INFO L451 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: true [2018-11-28 10:34:18,230 INFO L448 ceAbstractionStarter]: For program point L178-1(line 178) no Hoare annotation was computed. [2018-11-28 10:34:18,230 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 172 200) the Hoare annotation is: true [2018-11-28 10:34:18,230 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 172 200) no Hoare annotation was computed. [2018-11-28 10:34:18,230 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 647 669) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 10:34:18,230 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 647 669) no Hoare annotation was computed. [2018-11-28 10:34:18,230 INFO L444 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 10:34:18,231 INFO L444 ceAbstractionStarter]: At program point L659-1(line 659) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 10:34:18,231 INFO L448 ceAbstractionStarter]: For program point L657(lines 657 664) no Hoare annotation was computed. [2018-11-28 10:34:18,231 INFO L448 ceAbstractionStarter]: For program point L657-1(lines 657 664) no Hoare annotation was computed. [2018-11-28 10:34:18,231 INFO L448 ceAbstractionStarter]: For program point L655(line 655) no Hoare annotation was computed. [2018-11-28 10:34:18,231 INFO L444 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 10:34:18,231 INFO L444 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 10:34:18,231 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 647 669) no Hoare annotation was computed. [2018-11-28 10:34:18,231 INFO L444 ceAbstractionStarter]: At program point L653-1(line 653) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 10:34:18,231 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 884 892) no Hoare annotation was computed. [2018-11-28 10:34:18,231 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 884 892) the Hoare annotation is: true [2018-11-28 10:34:18,231 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 884 892) no Hoare annotation was computed. [2018-11-28 10:34:18,231 INFO L448 ceAbstractionStarter]: For program point L957(lines 957 961) no Hoare annotation was computed. [2018-11-28 10:34:18,231 INFO L451 ceAbstractionStarter]: At program point L955(line 955) the Hoare annotation is: true [2018-11-28 10:34:18,231 INFO L448 ceAbstractionStarter]: For program point L957-2(lines 957 961) no Hoare annotation was computed. [2018-11-28 10:34:18,231 INFO L448 ceAbstractionStarter]: For program point L955-1(line 955) no Hoare annotation was computed. [2018-11-28 10:34:18,231 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 948 966) the Hoare annotation is: true [2018-11-28 10:34:18,231 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 948 966) no Hoare annotation was computed. [2018-11-28 10:34:18,231 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 948 966) no Hoare annotation was computed. [2018-11-28 10:34:18,231 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 987 993) no Hoare annotation was computed. [2018-11-28 10:34:18,231 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 987 993) the Hoare annotation is: true [2018-11-28 10:34:18,231 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 633 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 10:34:18,232 INFO L444 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 10:34:18,232 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 633 643) no Hoare annotation was computed. [2018-11-28 10:34:18,232 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 633 643) no Hoare annotation was computed. [2018-11-28 10:34:18,232 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 873 883) the Hoare annotation is: true [2018-11-28 10:34:18,232 INFO L451 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2018-11-28 10:34:18,232 INFO L448 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-11-28 10:34:18,232 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 873 883) no Hoare annotation was computed. [2018-11-28 10:34:18,232 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 873 883) no Hoare annotation was computed. [2018-11-28 10:34:18,232 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 865 872) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) [2018-11-28 10:34:18,232 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 865 872) no Hoare annotation was computed. [2018-11-28 10:34:18,232 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 865 872) no Hoare annotation was computed. [2018-11-28 10:34:18,232 INFO L444 ceAbstractionStarter]: At program point L833(line 833) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-28 10:34:18,232 INFO L448 ceAbstractionStarter]: For program point L833-1(lines 814 838) no Hoare annotation was computed. [2018-11-28 10:34:18,232 INFO L444 ceAbstractionStarter]: At program point L828(line 828) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-28 10:34:18,232 INFO L444 ceAbstractionStarter]: At program point L824(line 824) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 (and (= processEnvironment_~tmp~7 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-28 10:34:18,232 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 814 838) no Hoare annotation was computed. [2018-11-28 10:34:18,232 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 830) no Hoare annotation was computed. [2018-11-28 10:34:18,233 INFO L444 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-28 10:34:18,233 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 814 838) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-11-28 10:34:18,233 INFO L448 ceAbstractionStarter]: For program point L820-1(line 820) no Hoare annotation was computed. [2018-11-28 10:34:18,233 INFO L448 ceAbstractionStarter]: For program point L818(lines 818 835) no Hoare annotation was computed. [2018-11-28 10:34:18,233 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-11-28 10:34:18,233 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-11-28 10:34:18,233 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-11-28 10:34:18,233 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-11-28 10:34:18,233 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 780 786) no Hoare annotation was computed. [2018-11-28 10:34:18,233 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 780 786) the Hoare annotation is: true [2018-11-28 10:34:18,233 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 681 746) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 10:34:18,233 INFO L448 ceAbstractionStarter]: For program point L729(lines 729 733) no Hoare annotation was computed. [2018-11-28 10:34:18,233 INFO L444 ceAbstractionStarter]: At program point L729-2(lines 721 734) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse3 .cse1 .cse2))) [2018-11-28 10:34:18,233 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 681 746) no Hoare annotation was computed. [2018-11-28 10:34:18,233 INFO L448 ceAbstractionStarter]: For program point L692(lines 691 738) no Hoare annotation was computed. [2018-11-28 10:34:18,233 INFO L444 ceAbstractionStarter]: At program point L723(line 723) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse3 .cse1 .cse2))) [2018-11-28 10:34:18,233 INFO L448 ceAbstractionStarter]: For program point L721(lines 721 734) no Hoare annotation was computed. [2018-11-28 10:34:18,234 INFO L444 ceAbstractionStarter]: At program point L713(line 713) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse3 .cse1 .cse2))) [2018-11-28 10:34:18,234 INFO L448 ceAbstractionStarter]: For program point L711(lines 711 717) no Hoare annotation was computed. [2018-11-28 10:34:18,234 INFO L448 ceAbstractionStarter]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2018-11-28 10:34:18,234 INFO L444 ceAbstractionStarter]: At program point L736(lines 691 738) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 10:34:18,234 INFO L444 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse3 (= 1 ~waterLevel~0) .cse1 .cse2))) [2018-11-28 10:34:18,234 INFO L448 ceAbstractionStarter]: For program point L701(lines 701 707) no Hoare annotation was computed. [2018-11-28 10:34:18,234 INFO L448 ceAbstractionStarter]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2018-11-28 10:34:18,234 INFO L448 ceAbstractionStarter]: For program point L693(lines 693 697) no Hoare annotation was computed. [2018-11-28 10:34:18,234 INFO L444 ceAbstractionStarter]: At program point L739(lines 690 740) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 10:34:18,234 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 681 746) no Hoare annotation was computed. [2018-11-28 10:34:18,234 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 839 846) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-28 10:34:18,234 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 839 846) no Hoare annotation was computed. [2018-11-28 10:34:18,234 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 839 846) no Hoare annotation was computed. [2018-11-28 10:34:18,234 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-11-28 10:34:18,234 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-11-28 10:34:18,234 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-11-28 10:34:18,234 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 10:34:18,234 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 10:34:18,234 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 10:34:18,234 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 848 864) no Hoare annotation was computed. [2018-11-28 10:34:18,235 INFO L444 ceAbstractionStarter]: At program point L859(line 859) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-28 10:34:18,235 INFO L448 ceAbstractionStarter]: For program point L859-1(lines 848 864) no Hoare annotation was computed. [2018-11-28 10:34:18,235 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 848 864) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-28 10:34:18,235 INFO L448 ceAbstractionStarter]: For program point L855(lines 855 861) no Hoare annotation was computed. [2018-11-28 10:34:18,235 INFO L444 ceAbstractionStarter]: At program point L853(line 853) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-28 10:34:18,235 INFO L448 ceAbstractionStarter]: For program point L853-1(line 853) no Hoare annotation was computed. [2018-11-28 10:34:18,235 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 929 947) no Hoare annotation was computed. [2018-11-28 10:34:18,235 INFO L448 ceAbstractionStarter]: For program point L938(lines 938 942) no Hoare annotation was computed. [2018-11-28 10:34:18,235 INFO L451 ceAbstractionStarter]: At program point L936(line 936) the Hoare annotation is: true [2018-11-28 10:34:18,235 INFO L448 ceAbstractionStarter]: For program point L938-2(lines 938 942) no Hoare annotation was computed. [2018-11-28 10:34:18,235 INFO L448 ceAbstractionStarter]: For program point L936-1(line 936) no Hoare annotation was computed. [2018-11-28 10:34:18,235 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 929 947) the Hoare annotation is: true [2018-11-28 10:34:18,235 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 929 947) no Hoare annotation was computed. [2018-11-28 10:34:18,235 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2018-11-28 10:34:18,235 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2018-11-28 10:34:18,236 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2018-11-28 10:34:18,236 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-11-28 10:34:18,236 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: true [2018-11-28 10:34:18,236 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-11-28 10:34:18,236 INFO L444 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse5)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse3 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= 1 ~waterLevel~0) .cse4 .cse5) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))))))) [2018-11-28 10:34:18,236 INFO L444 ceAbstractionStarter]: At program point L767(lines 767 773) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (and .cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2 .cse3) .cse1 (and (= ~pumpRunning~0 1) .cse4))))) [2018-11-28 10:34:18,236 INFO L444 ceAbstractionStarter]: At program point L762(line 762) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-28 10:34:18,236 INFO L448 ceAbstractionStarter]: For program point L760(lines 756 778) no Hoare annotation was computed. [2018-11-28 10:34:18,236 INFO L448 ceAbstractionStarter]: For program point L758(lines 756 778) no Hoare annotation was computed. [2018-11-28 10:34:18,237 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 753 779) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse3)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse4) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) .cse5) (or .cse0 .cse1 .cse5 .cse4) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse4)))) [2018-11-28 10:34:18,237 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 753 779) no Hoare annotation was computed. [2018-11-28 10:34:18,237 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 753 779) no Hoare annotation was computed. [2018-11-28 10:34:18,237 INFO L451 ceAbstractionStarter]: At program point L576(line 576) the Hoare annotation is: true [2018-11-28 10:34:18,237 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 570 599) no Hoare annotation was computed. [2018-11-28 10:34:18,237 INFO L448 ceAbstractionStarter]: For program point L576-1(line 576) no Hoare annotation was computed. [2018-11-28 10:34:18,237 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 570 599) the Hoare annotation is: true [2018-11-28 10:34:18,237 INFO L451 ceAbstractionStarter]: At program point L595(lines 570 599) the Hoare annotation is: true [2018-11-28 10:34:18,237 INFO L448 ceAbstractionStarter]: For program point L591(line 591) no Hoare annotation was computed. [2018-11-28 10:34:18,237 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 588) no Hoare annotation was computed. [2018-11-28 10:34:18,237 INFO L451 ceAbstractionStarter]: At program point L584-1(lines 584 588) the Hoare annotation is: true [2018-11-28 10:34:18,237 INFO L448 ceAbstractionStarter]: For program point L581(line 581) no Hoare annotation was computed. [2018-11-28 10:34:18,237 INFO L451 ceAbstractionStarter]: At program point L580-2(lines 580 594) the Hoare annotation is: true [2018-11-28 10:34:18,238 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-11-28 10:34:18,238 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-11-28 10:34:18,238 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-11-28 10:34:18,238 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-28 10:34:18,238 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-11-28 10:34:18,238 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-11-28 10:34:18,238 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 625 631) no Hoare annotation was computed. [2018-11-28 10:34:18,238 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 625 631) the Hoare annotation is: true [2018-11-28 10:34:18,238 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 10:34:18,238 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-28 10:34:18,238 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 10:34:18,238 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 10:34:18,239 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 788 812) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-28 10:34:18,239 INFO L444 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))))))) [2018-11-28 10:34:18,239 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 804) no Hoare annotation was computed. [2018-11-28 10:34:18,239 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 788 812) no Hoare annotation was computed. [2018-11-28 10:34:18,239 INFO L444 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-28 10:34:18,239 INFO L448 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2018-11-28 10:34:18,239 INFO L448 ceAbstractionStarter]: For program point L792(lines 792 809) no Hoare annotation was computed. [2018-11-28 10:34:18,239 INFO L444 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-28 10:34:18,239 INFO L448 ceAbstractionStarter]: For program point L807-1(lines 788 812) no Hoare annotation was computed. [2018-11-28 10:34:18,240 INFO L444 ceAbstractionStarter]: At program point L802(line 802) the Hoare annotation is: (let ((.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2))))) (or .cse0 .cse2 .cse3 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 10:34:18,240 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 967 974) no Hoare annotation was computed. [2018-11-28 10:34:18,240 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 967 974) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse2 (not (= ~waterLevel~0 2))) (.cse3 (= ~systemActive~0 1))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1))) (or (or (or .cse1 .cse2) (not (= 1 ~pumpRunning~0))) .cse3))) [2018-11-28 10:34:18,240 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 967 974) no Hoare annotation was computed. [2018-11-28 10:34:18,240 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-11-28 10:34:18,240 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-11-28 10:34:18,240 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or (or .cse3 .cse1) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse2 .cse0) (or (= 1 ~waterLevel~0) (or .cse3 .cse1 (not (= |old(~waterLevel~0)| 1)))))) [2018-11-28 10:34:18,240 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 671 678) no Hoare annotation was computed. [2018-11-28 10:34:18,240 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 671 678) the Hoare annotation is: true [2018-11-28 10:34:18,240 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 671 678) no Hoare annotation was computed. [2018-11-28 10:34:18,241 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 675) no Hoare annotation was computed. [2018-11-28 10:34:18,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:34:18 BoogieIcfgContainer [2018-11-28 10:34:18,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 10:34:18,251 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 10:34:18,251 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 10:34:18,251 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 10:34:18,252 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:34:08" (3/4) ... [2018-11-28 10:34:18,254 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 10:34:18,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 10:34:18,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 10:34:18,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-28 10:34:18,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-28 10:34:18,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-28 10:34:18,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 10:34:18,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 10:34:18,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 10:34:18,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 10:34:18,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 10:34:18,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 10:34:18,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 10:34:18,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 10:34:18,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 10:34:18,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 10:34:18,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 10:34:18,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 10:34:18,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 10:34:18,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 10:34:18,261 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 10:34:18,262 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 10:34:18,262 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 10:34:18,262 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 10:34:18,262 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 10:34:18,262 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 10:34:18,262 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 10:34:18,262 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 10:34:18,262 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 10:34:18,262 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 10:34:18,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 10:34:18,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 10:34:18,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 10:34:18,269 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-11-28 10:34:18,269 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 10:34:18,269 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-28 10:34:18,270 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 10:34:18,270 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 10:34:18,270 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 10:34:18,289 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-11-28 10:34:18,289 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 10:34:18,320 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b65ac8a4-419d-4816-8626-32c575eeb24b/bin-2019/uautomizer/witness.graphml [2018-11-28 10:34:18,320 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 10:34:18,321 INFO L168 Benchmark]: Toolchain (without parser) took 11098.11 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 418.4 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -66.2 MB). Peak memory consumption was 352.2 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:18,321 INFO L168 Benchmark]: CDTParser took 0.14 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 10:34:18,321 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:18,322 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.00 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 10:34:18,322 INFO L168 Benchmark]: Boogie Preprocessor took 24.79 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 10:34:18,322 INFO L168 Benchmark]: RCFGBuilder took 444.38 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: 54.1 MB). Peak memory consumption was 54.1 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:18,322 INFO L168 Benchmark]: TraceAbstraction took 10170.68 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 288.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 31.2 MB). Peak memory consumption was 439.8 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:18,322 INFO L168 Benchmark]: Witness Printer took 69.49 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-28 10:34:18,324 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 364.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.00 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 24.79 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 444.38 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: 54.1 MB). Peak memory consumption was 54.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10170.68 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 288.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 31.2 MB). Peak memory consumption was 439.8 MB. Max. memory is 11.5 GB. * Witness Printer took 69.49 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 675]: 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: 690]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: (((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 170 locations, 1 error locations. SAFE Result, 10.1s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 4.6s AutomataDifference, 0.0s DeadEndRemovalTime, 2.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2489 SDtfs, 2250 SDslu, 8316 SDs, 0 SdLazy, 6269 SolverSat, 1085 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1063 GetRequests, 924 SyntacticMatches, 3 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 546 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1277occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 395 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 1939 PreInvPairs, 2021 NumberOfFragments, 1830 HoareAnnotationTreeSize, 1939 FomulaSimplifications, 12127 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 69 FomulaSimplificationsInter, 14428 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2536 NumberOfCodeBlocks, 2536 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2521 ConstructedInterpolants, 0 QuantifiedInterpolants, 813064 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3735 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 1762/1821 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...