./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product37_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d6f4b0a6-63d7-4fc4-b711-1f247f63a9f5/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d6f4b0a6-63d7-4fc4-b711-1f247f63a9f5/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d6f4b0a6-63d7-4fc4-b711-1f247f63a9f5/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d6f4b0a6-63d7-4fc4-b711-1f247f63a9f5/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product37_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d6f4b0a6-63d7-4fc4-b711-1f247f63a9f5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d6f4b0a6-63d7-4fc4-b711-1f247f63a9f5/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 3f8c4eddf293b722c8b0f77d2921f647762d8744 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 13:24:54,717 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:24:54,718 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:24:54,725 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:24:54,725 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:24:54,726 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:24:54,727 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:24:54,728 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:24:54,729 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:24:54,730 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:24:54,730 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:24:54,730 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:24:54,731 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:24:54,732 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:24:54,732 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:24:54,733 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:24:54,734 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:24:54,735 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:24:54,736 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:24:54,737 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:24:54,738 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:24:54,739 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:24:54,741 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:24:54,741 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:24:54,741 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:24:54,742 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:24:54,742 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:24:54,743 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:24:54,743 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:24:54,744 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:24:54,744 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:24:54,745 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:24:54,745 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:24:54,745 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:24:54,746 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:24:54,746 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:24:54,747 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d6f4b0a6-63d7-4fc4-b711-1f247f63a9f5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 13:24:54,756 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:24:54,756 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:24:54,757 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:24:54,757 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:24:54,758 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:24:54,758 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:24:54,758 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 13:24:54,758 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:24:54,758 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:24:54,758 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:24:54,759 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:24:54,759 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:24:54,759 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:24:54,759 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:24:54,759 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:24:54,759 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:24:54,759 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:24:54,760 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:24:54,760 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:24:54,760 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:24:54,760 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:24:54,760 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:24:54,760 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:24:54,761 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:24:54,761 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:24:54,761 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:24:54,761 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:24:54,761 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 13:24:54,761 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:24:54,761 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:24:54,761 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_d6f4b0a6-63d7-4fc4-b711-1f247f63a9f5/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 -> 3f8c4eddf293b722c8b0f77d2921f647762d8744 [2018-11-23 13:24:54,784 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:24:54,793 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:24:54,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:24:54,796 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:24:54,797 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:24:54,797 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d6f4b0a6-63d7-4fc4-b711-1f247f63a9f5/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product37_true-unreach-call_false-termination.cil.c [2018-11-23 13:24:54,832 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6f4b0a6-63d7-4fc4-b711-1f247f63a9f5/bin-2019/uautomizer/data/a835fa68e/48f4a9322c004fcdab9f662a57eb775f/FLAGdc1579607 [2018-11-23 13:24:55,162 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:24:55,162 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d6f4b0a6-63d7-4fc4-b711-1f247f63a9f5/sv-benchmarks/c/product-lines/minepump_spec2_product37_true-unreach-call_false-termination.cil.c [2018-11-23 13:24:55,169 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6f4b0a6-63d7-4fc4-b711-1f247f63a9f5/bin-2019/uautomizer/data/a835fa68e/48f4a9322c004fcdab9f662a57eb775f/FLAGdc1579607 [2018-11-23 13:24:55,181 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d6f4b0a6-63d7-4fc4-b711-1f247f63a9f5/bin-2019/uautomizer/data/a835fa68e/48f4a9322c004fcdab9f662a57eb775f [2018-11-23 13:24:55,182 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:24:55,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:24:55,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:24:55,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:24:55,186 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:24:55,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:24:55" (1/1) ... [2018-11-23 13:24:55,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f50e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:55, skipping insertion in model container [2018-11-23 13:24:55,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:24:55" (1/1) ... [2018-11-23 13:24:55,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:24:55,227 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:24:55,418 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:24:55,476 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:24:55,537 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:24:55,558 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:24:55,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:55 WrapperNode [2018-11-23 13:24:55,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:24:55,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:24:55,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:24:55,559 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:24:55,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:55" (1/1) ... [2018-11-23 13:24:55,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:55" (1/1) ... [2018-11-23 13:24:55,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:24:55,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:24:55,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:24:55,589 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:24:55,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:55" (1/1) ... [2018-11-23 13:24:55,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:55" (1/1) ... [2018-11-23 13:24:55,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:55" (1/1) ... [2018-11-23 13:24:55,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:55" (1/1) ... [2018-11-23 13:24:55,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:55" (1/1) ... [2018-11-23 13:24:55,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:55" (1/1) ... [2018-11-23 13:24:55,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:55" (1/1) ... [2018-11-23 13:24:55,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:24:55,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:24:55,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:24:55,621 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:24:55,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6f4b0a6-63d7-4fc4-b711-1f247f63a9f5/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 [2018-11-23 13:24:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 13:24:55,671 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 13:24:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:24:55,672 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:24:55,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:24:55,672 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 13:24:55,672 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 13:24:55,672 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 13:24:55,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 13:24:55,672 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 13:24:55,672 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 13:24:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 13:24:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 13:24:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 13:24:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 13:24:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 13:24:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 13:24:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 13:24:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 13:24:55,674 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 13:24:55,674 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 13:24:55,674 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 13:24:55,674 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 13:24:55,674 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 13:24:55,674 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 13:24:55,674 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 13:24:55,674 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 13:24:55,674 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 13:24:55,675 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 13:24:55,675 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 13:24:55,675 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 13:24:55,675 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 13:24:55,675 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 13:24:55,675 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 13:24:55,675 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 13:24:55,675 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 13:24:55,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 13:24:55,675 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 13:24:55,676 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 13:24:55,676 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 13:24:55,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 13:24:55,676 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 13:24:55,676 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 13:24:55,676 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 13:24:55,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 13:24:55,676 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 13:24:55,676 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 13:24:55,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 13:24:55,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:24:55,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:24:55,677 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 13:24:55,677 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 13:24:55,677 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 13:24:55,677 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 13:24:55,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:24:55,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:24:56,112 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:24:56,112 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 13:24:56,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:24:56 BoogieIcfgContainer [2018-11-23 13:24:56,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:24:56,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:24:56,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:24:56,116 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:24:56,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:24:55" (1/3) ... [2018-11-23 13:24:56,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ceb2469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:24:56, skipping insertion in model container [2018-11-23 13:24:56,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:55" (2/3) ... [2018-11-23 13:24:56,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ceb2469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:24:56, skipping insertion in model container [2018-11-23 13:24:56,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:24:56" (3/3) ... [2018-11-23 13:24:56,118 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37_true-unreach-call_false-termination.cil.c [2018-11-23 13:24:56,124 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:24:56,130 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 13:24:56,141 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 13:24:56,163 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 13:24:56,164 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:24:56,164 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:24:56,164 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:24:56,164 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:24:56,164 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:24:56,164 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:24:56,164 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:24:56,164 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:24:56,180 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2018-11-23 13:24:56,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 13:24:56,186 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:24:56,187 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:24:56,189 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:24:56,193 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:24:56,193 INFO L82 PathProgramCache]: Analyzing trace with hash -47045203, now seen corresponding path program 1 times [2018-11-23 13:24:56,194 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:24:56,195 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:24:56,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:24:56,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:24:56,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:24:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:24:56,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:24:56,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:24:56,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 13:24:56,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 13:24:56,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 13:24:56,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 13:24:56,387 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2018-11-23 13:24:56,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:24:56,415 INFO L93 Difference]: Finished difference Result 252 states and 315 transitions. [2018-11-23 13:24:56,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 13:24:56,417 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 13:24:56,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:24:56,426 INFO L225 Difference]: With dead ends: 252 [2018-11-23 13:24:56,426 INFO L226 Difference]: Without dead ends: 128 [2018-11-23 13:24:56,429 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 [2018-11-23 13:24:56,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-23 13:24:56,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-11-23 13:24:56,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-11-23 13:24:56,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2018-11-23 13:24:56,468 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 51 [2018-11-23 13:24:56,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:24:56,469 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2018-11-23 13:24:56,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 13:24:56,469 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2018-11-23 13:24:56,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 13:24:56,471 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:24:56,472 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:24:56,472 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:24:56,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:24:56,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1778182562, now seen corresponding path program 1 times [2018-11-23 13:24:56,472 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:24:56,472 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:24:56,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:24:56,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:24:56,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:24:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:24:56,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:24:56,548 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:24:56,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:24:56,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:24:56,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:24:56,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:24:56,550 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 3 states. [2018-11-23 13:24:56,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:24:56,567 INFO L93 Difference]: Finished difference Result 201 states and 237 transitions. [2018-11-23 13:24:56,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:24:56,567 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 13:24:56,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:24:56,569 INFO L225 Difference]: With dead ends: 201 [2018-11-23 13:24:56,569 INFO L226 Difference]: Without dead ends: 119 [2018-11-23 13:24:56,570 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 [2018-11-23 13:24:56,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-11-23 13:24:56,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-11-23 13:24:56,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-11-23 13:24:56,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2018-11-23 13:24:56,579 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 52 [2018-11-23 13:24:56,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:24:56,579 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2018-11-23 13:24:56,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:24:56,579 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2018-11-23 13:24:56,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 13:24:56,581 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:24:56,581 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:24:56,581 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:24:56,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:24:56,581 INFO L82 PathProgramCache]: Analyzing trace with hash -236607735, now seen corresponding path program 1 times [2018-11-23 13:24:56,581 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:24:56,581 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:24:56,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:24:56,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:24:56,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:24:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:24:56,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:24:56,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:24:56,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 13:24:56,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 13:24:56,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 13:24:56,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:24:56,700 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 7 states. [2018-11-23 13:24:56,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:24:56,992 INFO L93 Difference]: Finished difference Result 210 states and 251 transitions. [2018-11-23 13:24:56,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 13:24:56,993 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-23 13:24:56,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:24:56,994 INFO L225 Difference]: With dead ends: 210 [2018-11-23 13:24:56,994 INFO L226 Difference]: Without dead ends: 119 [2018-11-23 13:24:56,995 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:24:56,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-11-23 13:24:57,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-11-23 13:24:57,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-11-23 13:24:57,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2018-11-23 13:24:57,006 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 56 [2018-11-23 13:24:57,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:24:57,006 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2018-11-23 13:24:57,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 13:24:57,007 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2018-11-23 13:24:57,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 13:24:57,008 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:24:57,008 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:24:57,009 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:24:57,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:24:57,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1269437359, now seen corresponding path program 1 times [2018-11-23 13:24:57,009 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:24:57,009 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:24:57,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:24:57,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:24:57,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:24:57,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:24:57,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:24:57,095 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:24:57,095 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 13:24:57,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 13:24:57,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 13:24:57,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 13:24:57,096 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 5 states. [2018-11-23 13:24:57,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:24:57,389 INFO L93 Difference]: Finished difference Result 306 states and 373 transitions. [2018-11-23 13:24:57,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 13:24:57,390 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-11-23 13:24:57,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:24:57,391 INFO L225 Difference]: With dead ends: 306 [2018-11-23 13:24:57,392 INFO L226 Difference]: Without dead ends: 215 [2018-11-23 13:24:57,393 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 [2018-11-23 13:24:57,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-11-23 13:24:57,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 197. [2018-11-23 13:24:57,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-11-23 13:24:57,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 227 transitions. [2018-11-23 13:24:57,414 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 227 transitions. Word has length 69 [2018-11-23 13:24:57,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:24:57,414 INFO L480 AbstractCegarLoop]: Abstraction has 197 states and 227 transitions. [2018-11-23 13:24:57,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 13:24:57,415 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 227 transitions. [2018-11-23 13:24:57,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 13:24:57,417 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:24:57,417 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:24:57,418 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:24:57,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:24:57,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1348279355, now seen corresponding path program 1 times [2018-11-23 13:24:57,418 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:24:57,418 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:24:57,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:24:57,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:24:57,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:24:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:24:57,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:24:57,500 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:24:57,500 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 13:24:57,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 13:24:57,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 13:24:57,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 13:24:57,502 INFO L87 Difference]: Start difference. First operand 197 states and 227 transitions. Second operand 8 states. [2018-11-23 13:24:57,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:24:57,537 INFO L93 Difference]: Finished difference Result 373 states and 443 transitions. [2018-11-23 13:24:57,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 13:24:57,537 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2018-11-23 13:24:57,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:24:57,539 INFO L225 Difference]: With dead ends: 373 [2018-11-23 13:24:57,539 INFO L226 Difference]: Without dead ends: 204 [2018-11-23 13:24:57,540 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 [2018-11-23 13:24:57,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-11-23 13:24:57,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 201. [2018-11-23 13:24:57,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-11-23 13:24:57,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 231 transitions. [2018-11-23 13:24:57,555 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 231 transitions. Word has length 83 [2018-11-23 13:24:57,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:24:57,555 INFO L480 AbstractCegarLoop]: Abstraction has 201 states and 231 transitions. [2018-11-23 13:24:57,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 13:24:57,556 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 231 transitions. [2018-11-23 13:24:57,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 13:24:57,557 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:24:57,557 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:24:57,557 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:24:57,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:24:57,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1370911609, now seen corresponding path program 1 times [2018-11-23 13:24:57,558 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:24:57,558 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:24:57,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:24:57,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:24:57,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:24:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:24:57,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:24:57,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:24:57,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 13:24:57,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:24:57,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:24:57,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:24:57,637 INFO L87 Difference]: Start difference. First operand 201 states and 231 transitions. Second operand 6 states. [2018-11-23 13:24:57,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:24:57,753 INFO L93 Difference]: Finished difference Result 529 states and 629 transitions. [2018-11-23 13:24:57,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 13:24:57,754 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-11-23 13:24:57,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:24:57,756 INFO L225 Difference]: With dead ends: 529 [2018-11-23 13:24:57,756 INFO L226 Difference]: Without dead ends: 356 [2018-11-23 13:24:57,756 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 13:24:57,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-23 13:24:57,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 350. [2018-11-23 13:24:57,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2018-11-23 13:24:57,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 402 transitions. [2018-11-23 13:24:57,795 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 402 transitions. Word has length 83 [2018-11-23 13:24:57,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:24:57,795 INFO L480 AbstractCegarLoop]: Abstraction has 350 states and 402 transitions. [2018-11-23 13:24:57,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:24:57,796 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 402 transitions. [2018-11-23 13:24:57,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-23 13:24:57,797 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:24:57,797 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:24:57,797 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:24:57,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:24:57,798 INFO L82 PathProgramCache]: Analyzing trace with hash -21266901, now seen corresponding path program 1 times [2018-11-23 13:24:57,798 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:24:57,798 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:24:57,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:24:57,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:24:57,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:24:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:24:57,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:24:57,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:24:57,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 13:24:57,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 13:24:57,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 13:24:57,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:24:57,879 INFO L87 Difference]: Start difference. First operand 350 states and 402 transitions. Second operand 7 states. [2018-11-23 13:24:58,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:24:58,179 INFO L93 Difference]: Finished difference Result 701 states and 828 transitions. [2018-11-23 13:24:58,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 13:24:58,180 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-11-23 13:24:58,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:24:58,182 INFO L225 Difference]: With dead ends: 701 [2018-11-23 13:24:58,182 INFO L226 Difference]: Without dead ends: 379 [2018-11-23 13:24:58,183 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 13:24:58,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-23 13:24:58,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 349. [2018-11-23 13:24:58,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2018-11-23 13:24:58,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 399 transitions. [2018-11-23 13:24:58,200 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 399 transitions. Word has length 87 [2018-11-23 13:24:58,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:24:58,200 INFO L480 AbstractCegarLoop]: Abstraction has 349 states and 399 transitions. [2018-11-23 13:24:58,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 13:24:58,200 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 399 transitions. [2018-11-23 13:24:58,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 13:24:58,202 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:24:58,202 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:24:58,202 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:24:58,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:24:58,202 INFO L82 PathProgramCache]: Analyzing trace with hash -345672316, now seen corresponding path program 1 times [2018-11-23 13:24:58,202 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:24:58,202 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:24:58,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:24:58,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:24:58,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:24:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:24:58,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:24:58,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:24:58,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 13:24:58,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:24:58,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:24:58,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:24:58,260 INFO L87 Difference]: Start difference. First operand 349 states and 399 transitions. Second operand 6 states. [2018-11-23 13:24:58,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:24:58,285 INFO L93 Difference]: Finished difference Result 680 states and 790 transitions. [2018-11-23 13:24:58,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 13:24:58,285 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-23 13:24:58,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:24:58,287 INFO L225 Difference]: With dead ends: 680 [2018-11-23 13:24:58,287 INFO L226 Difference]: Without dead ends: 359 [2018-11-23 13:24:58,288 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 [2018-11-23 13:24:58,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-11-23 13:24:58,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2018-11-23 13:24:58,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2018-11-23 13:24:58,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 409 transitions. [2018-11-23 13:24:58,302 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 409 transitions. Word has length 88 [2018-11-23 13:24:58,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:24:58,302 INFO L480 AbstractCegarLoop]: Abstraction has 359 states and 409 transitions. [2018-11-23 13:24:58,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:24:58,303 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 409 transitions. [2018-11-23 13:24:58,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 13:24:58,304 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:24:58,304 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:24:58,304 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:24:58,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:24:58,304 INFO L82 PathProgramCache]: Analyzing trace with hash 2081408455, now seen corresponding path program 1 times [2018-11-23 13:24:58,304 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:24:58,304 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:24:58,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:24:58,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:24:58,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:24:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:24:58,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:24:58,358 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:24:58,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 13:24:58,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 13:24:58,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 13:24:58,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 13:24:58,359 INFO L87 Difference]: Start difference. First operand 359 states and 409 transitions. Second operand 4 states. [2018-11-23 13:24:58,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:24:58,483 INFO L93 Difference]: Finished difference Result 1076 states and 1296 transitions. [2018-11-23 13:24:58,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 13:24:58,484 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2018-11-23 13:24:58,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:24:58,487 INFO L225 Difference]: With dead ends: 1076 [2018-11-23 13:24:58,487 INFO L226 Difference]: Without dead ends: 745 [2018-11-23 13:24:58,488 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 [2018-11-23 13:24:58,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2018-11-23 13:24:58,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 483. [2018-11-23 13:24:58,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2018-11-23 13:24:58,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 546 transitions. [2018-11-23 13:24:58,515 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 546 transitions. Word has length 88 [2018-11-23 13:24:58,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:24:58,516 INFO L480 AbstractCegarLoop]: Abstraction has 483 states and 546 transitions. [2018-11-23 13:24:58,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 13:24:58,516 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 546 transitions. [2018-11-23 13:24:58,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-23 13:24:58,517 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:24:58,517 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:24:58,518 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:24:58,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:24:58,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1819438657, now seen corresponding path program 1 times [2018-11-23 13:24:58,518 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:24:58,518 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:24:58,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:24:58,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:24:58,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:24:58,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:24:58,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:24:58,564 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:24:58,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:24:58,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:24:58,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:24:58,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:24:58,565 INFO L87 Difference]: Start difference. First operand 483 states and 546 transitions. Second operand 3 states. [2018-11-23 13:24:58,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:24:58,599 INFO L93 Difference]: Finished difference Result 744 states and 856 transitions. [2018-11-23 13:24:58,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:24:58,600 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2018-11-23 13:24:58,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:24:58,602 INFO L225 Difference]: With dead ends: 744 [2018-11-23 13:24:58,602 INFO L226 Difference]: Without dead ends: 741 [2018-11-23 13:24:58,603 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:24:58,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-23 13:24:58,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 619. [2018-11-23 13:24:58,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 619 states. [2018-11-23 13:24:58,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 710 transitions. [2018-11-23 13:24:58,630 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 710 transitions. Word has length 92 [2018-11-23 13:24:58,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:24:58,631 INFO L480 AbstractCegarLoop]: Abstraction has 619 states and 710 transitions. [2018-11-23 13:24:58,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:24:58,631 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 710 transitions. [2018-11-23 13:24:58,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-23 13:24:58,634 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:24:58,634 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:24:58,634 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:24:58,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:24:58,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1243590183, now seen corresponding path program 1 times [2018-11-23 13:24:58,634 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:24:58,634 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:24:58,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:24:58,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:24:58,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:24:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:24:58,738 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 13:24:58,739 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:24:58,739 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6f4b0a6-63d7-4fc4-b711-1f247f63a9f5/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 [2018-11-23 13:24:58,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:24:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:24:58,843 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:24:58,997 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 13:24:59,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 13:24:59,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-23 13:24:59,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 13:24:59,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 13:24:59,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-23 13:24:59,015 INFO L87 Difference]: Start difference. First operand 619 states and 710 transitions. Second operand 19 states. [2018-11-23 13:24:59,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:24:59,863 INFO L93 Difference]: Finished difference Result 1147 states and 1326 transitions. [2018-11-23 13:24:59,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 13:24:59,864 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 150 [2018-11-23 13:24:59,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:24:59,866 INFO L225 Difference]: With dead ends: 1147 [2018-11-23 13:24:59,866 INFO L226 Difference]: Without dead ends: 556 [2018-11-23 13:24:59,868 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 147 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-23 13:24:59,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2018-11-23 13:24:59,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 527. [2018-11-23 13:24:59,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2018-11-23 13:24:59,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 595 transitions. [2018-11-23 13:24:59,900 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 595 transitions. Word has length 150 [2018-11-23 13:24:59,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:24:59,901 INFO L480 AbstractCegarLoop]: Abstraction has 527 states and 595 transitions. [2018-11-23 13:24:59,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 13:24:59,901 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 595 transitions. [2018-11-23 13:24:59,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-23 13:24:59,903 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:24:59,903 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 13:24:59,903 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:24:59,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:24:59,903 INFO L82 PathProgramCache]: Analyzing trace with hash -294954383, now seen corresponding path program 1 times [2018-11-23 13:24:59,904 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:24:59,904 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:24:59,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:24:59,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:24:59,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:24:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:24:59,970 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 13:24:59,970 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:24:59,970 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6f4b0a6-63d7-4fc4-b711-1f247f63a9f5/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 [2018-11-23 13:24:59,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:25:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:25:00,076 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:25:00,101 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:25:00,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 13:25:00,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-11-23 13:25:00,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 13:25:00,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 13:25:00,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-23 13:25:00,131 INFO L87 Difference]: Start difference. First operand 527 states and 595 transitions. Second operand 8 states. [2018-11-23 13:25:00,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:25:00,238 INFO L93 Difference]: Finished difference Result 843 states and 961 transitions. [2018-11-23 13:25:00,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 13:25:00,239 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2018-11-23 13:25:00,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:25:00,240 INFO L225 Difference]: With dead ends: 843 [2018-11-23 13:25:00,240 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 13:25:00,241 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-23 13:25:00,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 13:25:00,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 13:25:00,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 13:25:00,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 13:25:00,242 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2018-11-23 13:25:00,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:25:00,242 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:25:00,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 13:25:00,242 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:25:00,242 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:25:00,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 13:25:00,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:25:00,631 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 27 [2018-11-23 13:25:00,952 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 42 [2018-11-23 13:25:01,309 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2018-11-23 13:25:01,926 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2018-11-23 13:25:02,665 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 924 930) the Hoare annotation is: true [2018-11-23 13:25:02,665 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 924 930) no Hoare annotation was computed. [2018-11-23 13:25:02,665 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 931 939) no Hoare annotation was computed. [2018-11-23 13:25:02,665 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 931 939) the Hoare annotation is: true [2018-11-23 13:25:02,665 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 931 939) no Hoare annotation was computed. [2018-11-23 13:25:02,665 INFO L444 ceAbstractionStarter]: At program point L894(line 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:25:02,666 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 882 904) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:25:02,666 INFO L444 ceAbstractionStarter]: At program point L894-1(line 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:25:02,666 INFO L448 ceAbstractionStarter]: For program point L892(lines 892 899) no Hoare annotation was computed. [2018-11-23 13:25:02,666 INFO L448 ceAbstractionStarter]: For program point L892-1(lines 892 899) no Hoare annotation was computed. [2018-11-23 13:25:02,666 INFO L448 ceAbstractionStarter]: For program point L890(line 890) no Hoare annotation was computed. [2018-11-23 13:25:02,666 INFO L444 ceAbstractionStarter]: At program point L889(line 889) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:25:02,666 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 882 904) no Hoare annotation was computed. [2018-11-23 13:25:02,666 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:25:02,666 INFO L444 ceAbstractionStarter]: At program point L888-1(line 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:25:02,667 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 882 904) no Hoare annotation was computed. [2018-11-23 13:25:02,667 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 163 171) no Hoare annotation was computed. [2018-11-23 13:25:02,667 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 163 171) the Hoare annotation is: true [2018-11-23 13:25:02,667 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 163 171) no Hoare annotation was computed. [2018-11-23 13:25:02,667 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 917 923) no Hoare annotation was computed. [2018-11-23 13:25:02,667 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 917 923) the Hoare annotation is: true [2018-11-23 13:25:02,667 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 868 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:25:02,667 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 868 878) no Hoare annotation was computed. [2018-11-23 13:25:02,667 INFO L444 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:25:02,667 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 868 878) no Hoare annotation was computed. [2018-11-23 13:25:02,667 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 152 162) the Hoare annotation is: true [2018-11-23 13:25:02,667 INFO L451 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: true [2018-11-23 13:25:02,667 INFO L448 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2018-11-23 13:25:02,667 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 152 162) no Hoare annotation was computed. [2018-11-23 13:25:02,667 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 152 162) no Hoare annotation was computed. [2018-11-23 13:25:02,668 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 144 151) the Hoare annotation is: (or (or (not (= ~methaneLevelCritical~0 1)) (not (= ~systemActive~0 1))) (not (= 1 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 13:25:02,668 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 144 151) no Hoare annotation was computed. [2018-11-23 13:25:02,668 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 144 151) no Hoare annotation was computed. [2018-11-23 13:25:02,668 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 416 429) no Hoare annotation was computed. [2018-11-23 13:25:02,668 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 426) no Hoare annotation was computed. [2018-11-23 13:25:02,668 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 416 429) the Hoare annotation is: true [2018-11-23 13:25:02,668 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 416 429) no Hoare annotation was computed. [2018-11-23 13:25:02,668 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 111 135) no Hoare annotation was computed. [2018-11-23 13:25:02,668 INFO L444 ceAbstractionStarter]: At program point L125(line 125) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse3 (and (= processEnvironment_~tmp~1 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse4) (or (or .cse0 .cse3) .cse2) (or .cse1 .cse4)))) [2018-11-23 13:25:02,668 INFO L444 ceAbstractionStarter]: At program point L121(line 121) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or (and (= processEnvironment_~tmp~1 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 .cse2) .cse3) (or .cse1 .cse4) (or .cse3 .cse2 .cse4)))) [2018-11-23 13:25:02,668 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 127) no Hoare annotation was computed. [2018-11-23 13:25:02,668 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 111 135) no Hoare annotation was computed. [2018-11-23 13:25:02,668 INFO L444 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse5)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse2) (or (or .cse0 .cse5) .cse4 .cse3)))) [2018-11-23 13:25:02,668 INFO L448 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2018-11-23 13:25:02,668 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 111 135) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse5)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or (or .cse0 .cse5) .cse4 .cse2)))) [2018-11-23 13:25:02,668 INFO L448 ceAbstractionStarter]: For program point L115(lines 115 132) no Hoare annotation was computed. [2018-11-23 13:25:02,668 INFO L444 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse0 .cse3) .cse4) (or .cse1 .cse2 .cse5) (or .cse4 .cse3 .cse5)))) [2018-11-23 13:25:02,668 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 77 83) no Hoare annotation was computed. [2018-11-23 13:25:02,669 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 77 83) the Hoare annotation is: true [2018-11-23 13:25:02,669 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 231 294) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:25:02,669 INFO L444 ceAbstractionStarter]: At program point L287(lines 240 288) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:25:02,669 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 231 294) no Hoare annotation was computed. [2018-11-23 13:25:02,669 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 281) no Hoare annotation was computed. [2018-11-23 13:25:02,669 INFO L444 ceAbstractionStarter]: At program point L277-2(lines 271 282) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse0 .cse3 .cse2 .cse5) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse4 .cse2))) [2018-11-23 13:25:02,669 INFO L448 ceAbstractionStarter]: For program point L242(lines 241 286) no Hoare annotation was computed. [2018-11-23 13:25:02,669 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 282) no Hoare annotation was computed. [2018-11-23 13:25:02,669 INFO L444 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2))) [2018-11-23 13:25:02,669 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 267) no Hoare annotation was computed. [2018-11-23 13:25:02,669 INFO L448 ceAbstractionStarter]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2018-11-23 13:25:02,669 INFO L444 ceAbstractionStarter]: At program point L253(line 253) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2))) [2018-11-23 13:25:02,669 INFO L444 ceAbstractionStarter]: At program point L284(lines 241 286) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2))) [2018-11-23 13:25:02,669 INFO L448 ceAbstractionStarter]: For program point L251(lines 251 257) no Hoare annotation was computed. [2018-11-23 13:25:02,669 INFO L448 ceAbstractionStarter]: For program point L251-1(lines 251 257) no Hoare annotation was computed. [2018-11-23 13:25:02,669 INFO L448 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2018-11-23 13:25:02,670 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 231 294) no Hoare annotation was computed. [2018-11-23 13:25:02,670 INFO L444 ceAbstractionStarter]: At program point L321(line 321) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (or (not (= 0 ~pumpRunning~0)) .cse1)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse2) (or .cse4 .cse3) (or .cse4 (= ~waterLevel~0 1) .cse0 .cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))))) [2018-11-23 13:25:02,670 INFO L448 ceAbstractionStarter]: For program point L319(lines 319 325) no Hoare annotation was computed. [2018-11-23 13:25:02,670 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 328) no Hoare annotation was computed. [2018-11-23 13:25:02,670 INFO L444 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (= ~waterLevel~0 1)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse1) .cse2) (or .cse4 .cse5 .cse6 .cse0 .cse1 .cse7) (or .cse4 .cse3 .cse1 (not .cse5) .cse7 .cse6))) [2018-11-23 13:25:02,670 INFO L448 ceAbstractionStarter]: For program point L316-1(line 316) no Hoare annotation was computed. [2018-11-23 13:25:02,670 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 331) no Hoare annotation was computed. [2018-11-23 13:25:02,670 INFO L448 ceAbstractionStarter]: For program point L314-1(lines 306 334) no Hoare annotation was computed. [2018-11-23 13:25:02,670 INFO L444 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1)))) [2018-11-23 13:25:02,670 INFO L448 ceAbstractionStarter]: For program point L312-1(line 312) no Hoare annotation was computed. [2018-11-23 13:25:02,671 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 306 334) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1)))) [2018-11-23 13:25:02,671 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 306 334) no Hoare annotation was computed. [2018-11-23 13:25:02,671 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 298 305) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 13:25:02,671 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 298 305) no Hoare annotation was computed. [2018-11-23 13:25:02,671 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 298 305) no Hoare annotation was computed. [2018-11-23 13:25:02,671 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:25:02,671 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 13:25:02,671 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:25:02,671 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 136 143) no Hoare annotation was computed. [2018-11-23 13:25:02,671 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 136 143) no Hoare annotation was computed. [2018-11-23 13:25:02,671 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 136 143) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 .cse2) .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 13:25:02,672 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 208 226) no Hoare annotation was computed. [2018-11-23 13:25:02,672 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 221) no Hoare annotation was computed. [2018-11-23 13:25:02,672 INFO L451 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: true [2018-11-23 13:25:02,672 INFO L448 ceAbstractionStarter]: For program point L217-2(lines 217 221) no Hoare annotation was computed. [2018-11-23 13:25:02,672 INFO L448 ceAbstractionStarter]: For program point L215-1(line 215) no Hoare annotation was computed. [2018-11-23 13:25:02,672 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 208 226) the Hoare annotation is: true [2018-11-23 13:25:02,672 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 208 226) no Hoare annotation was computed. [2018-11-23 13:25:02,672 INFO L448 ceAbstractionStarter]: For program point L367-1(lines 363 374) no Hoare annotation was computed. [2018-11-23 13:25:02,672 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 363 374) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse1 (or (not (= 0 ~pumpRunning~0)) .cse6)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3 .cse7) (or (or .cse0 .cse6) .cse5 .cse2) (or .cse1 .cse4 .cse3 .cse7)))) [2018-11-23 13:25:02,672 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 363 374) no Hoare annotation was computed. [2018-11-23 13:25:02,672 INFO L451 ceAbstractionStarter]: At program point L832(lines 807 836) the Hoare annotation is: true [2018-11-23 13:25:02,672 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2018-11-23 13:25:02,672 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2018-11-23 13:25:02,672 INFO L448 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-11-23 13:25:02,672 INFO L448 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2018-11-23 13:25:02,672 INFO L451 ceAbstractionStarter]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2018-11-23 13:25:02,673 INFO L448 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2018-11-23 13:25:02,673 INFO L451 ceAbstractionStarter]: At program point L817-2(lines 817 831) the Hoare annotation is: true [2018-11-23 13:25:02,673 INFO L451 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: true [2018-11-23 13:25:02,673 INFO L448 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2018-11-23 13:25:02,673 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 375 383) the Hoare annotation is: true [2018-11-23 13:25:02,673 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 375 383) no Hoare annotation was computed. [2018-11-23 13:25:02,673 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 375 383) no Hoare annotation was computed. [2018-11-23 13:25:02,673 INFO L444 ceAbstractionStarter]: At program point L64(lines 64 70) the Hoare annotation is: (let ((.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (or .cse10 .cse1)) (.cse6 (not (= ~waterLevel~0 1))) (.cse7 (= ~pumpRunning~0 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse11 (and (= 1 ~waterLevel~0) .cse9))) (and (or .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (or .cse3 .cse1 .cse2 .cse4) (or .cse5 .cse3 (and .cse6 .cse7) .cse8 .cse4) (or .cse0 .cse3 .cse5 (and .cse6 .cse7 .cse9) .cse8) (or .cse10 .cse11 .cse1 .cse12 .cse8 .cse4) (or .cse0 .cse10 .cse1 .cse12 .cse8 .cse11)))) [2018-11-23 13:25:02,673 INFO L444 ceAbstractionStarter]: At program point L59(line 59) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse4 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or .cse6 .cse1 .cse2 .cse0) (or .cse6 .cse4 .cse5)))) [2018-11-23 13:25:02,673 INFO L448 ceAbstractionStarter]: For program point L57(lines 56 75) no Hoare annotation was computed. [2018-11-23 13:25:02,673 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (let ((.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1)))) (let ((.cse1 (or .cse4 .cse6)) (.cse2 (and .cse10 .cse11)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= 1 ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse3 .cse8) (or .cse0 .cse6 .cse9 .cse10) (or .cse0 .cse11 .cse6 .cse9 .cse3) (or .cse1 .cse2 .cse3 .cse8) (or .cse0 .cse4 .cse6 .cse7 .cse3 .cse5) (or .cse6 .cse9 .cse8 .cse10)))) [2018-11-23 13:25:02,673 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2018-11-23 13:25:02,673 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2018-11-23 13:25:02,673 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse8 .cse4)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3) (or .cse6 .cse0 (and .cse1 .cse7) .cse2) (or .cse6 .cse4 .cse5 .cse1) (or .cse6 .cse8 .cse4 .cse9 .cse2 .cse10) (or .cse8 (and .cse10 .cse7) .cse4 .cse9 .cse2 .cse3)))) [2018-11-23 13:25:02,673 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 339 350) the Hoare annotation is: true [2018-11-23 13:25:02,674 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 339 350) no Hoare annotation was computed. [2018-11-23 13:25:02,674 INFO L448 ceAbstractionStarter]: For program point L343-1(lines 339 350) no Hoare annotation was computed. [2018-11-23 13:25:02,674 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2018-11-23 13:25:02,674 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2018-11-23 13:25:02,674 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:25:02,674 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-23 13:25:02,674 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:25:02,674 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:25:02,674 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 85 109) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-23 13:25:02,674 INFO L444 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (and (not (= ~waterLevel~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-23 13:25:02,674 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 101) no Hoare annotation was computed. [2018-11-23 13:25:02,674 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 85 109) no Hoare annotation was computed. [2018-11-23 13:25:02,674 INFO L444 ceAbstractionStarter]: At program point L91(line 91) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-23 13:25:02,674 INFO L448 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2018-11-23 13:25:02,674 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 106) no Hoare annotation was computed. [2018-11-23 13:25:02,674 INFO L444 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-11-23 13:25:02,674 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2018-11-23 13:25:02,674 INFO L444 ceAbstractionStarter]: At program point L99(line 99) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0)) .cse1) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3) (or .cse0 .cse1 .cse3)))) [2018-11-23 13:25:02,674 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 351 362) no Hoare annotation was computed. [2018-11-23 13:25:02,675 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 351 362) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3 .cse4 .cse1))) [2018-11-23 13:25:02,675 INFO L448 ceAbstractionStarter]: For program point L355-1(lines 351 362) no Hoare annotation was computed. [2018-11-23 13:25:02,675 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 435) no Hoare annotation was computed. [2018-11-23 13:25:02,675 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 431 438) no Hoare annotation was computed. [2018-11-23 13:25:02,675 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 431 438) the Hoare annotation is: true [2018-11-23 13:25:02,675 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 431 438) no Hoare annotation was computed. [2018-11-23 13:25:02,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:25:02 BoogieIcfgContainer [2018-11-23 13:25:02,686 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:25:02,686 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:25:02,686 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:25:02,687 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:25:02,687 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:24:56" (3/4) ... [2018-11-23 13:25:02,690 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:25:02,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 13:25:02,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 13:25:02,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 13:25:02,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 13:25:02,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 13:25:02,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 13:25:02,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 13:25:02,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 13:25:02,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 13:25:02,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 13:25:02,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 13:25:02,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 13:25:02,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 13:25:02,700 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 13:25:02,700 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 13:25:02,700 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 13:25:02,700 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 13:25:02,700 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 13:25:02,700 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 13:25:02,700 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 13:25:02,700 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 13:25:02,700 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 13:25:02,700 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 13:25:02,701 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 13:25:02,701 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 13:25:02,701 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 13:25:02,707 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-23 13:25:02,707 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 13:25:02,707 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 13:25:02,707 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 13:25:02,707 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 13:25:02,708 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:25:02,708 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:25:02,726 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == \old(pumpRunning)) || (((0 == methaneLevelCritical && pumpRunning == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((pumpRunning == 1 && methaneLevelCritical == 1) && splverifierCounter == 0) [2018-11-23 13:25:02,726 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 13:25:02,757 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d6f4b0a6-63d7-4fc4-b711-1f247f63a9f5/bin-2019/uautomizer/witness.graphml [2018-11-23 13:25:02,757 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:25:02,758 INFO L168 Benchmark]: Toolchain (without parser) took 7575.04 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 369.6 MB). Free memory was 951.1 MB in the beginning and 1.3 GB in the end (delta: -299.4 MB). Peak memory consumption was 70.2 MB. Max. memory is 11.5 GB. [2018-11-23 13:25:02,758 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:25:02,759 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -174.6 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:25:02,759 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:25:02,759 INFO L168 Benchmark]: Boogie Preprocessor took 32.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:25:02,759 INFO L168 Benchmark]: RCFGBuilder took 491.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 11.5 GB. [2018-11-23 13:25:02,759 INFO L168 Benchmark]: TraceAbstraction took 6572.78 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 230.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -195.7 MB). Peak memory consumption was 420.3 MB. Max. memory is 11.5 GB. [2018-11-23 13:25:02,760 INFO L168 Benchmark]: Witness Printer took 71.00 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2018-11-23 13:25:02,761 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 374.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -174.6 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 491.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6572.78 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 230.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -195.7 MB). Peak memory consumption was 420.3 MB. Max. memory is 11.5 GB. * Witness Printer took 71.00 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 435]: 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: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: (((((((!(0 == \old(pumpRunning)) || (((0 == methaneLevelCritical && pumpRunning == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((pumpRunning == 1 && methaneLevelCritical == 1) && splverifierCounter == 0) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 141 locations, 1 error locations. SAFE Result, 6.5s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 2.2s AutomataDifference, 0.0s DeadEndRemovalTime, 2.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1908 SDtfs, 1244 SDslu, 5860 SDs, 0 SdLazy, 2092 SolverSat, 304 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 431 GetRequests, 345 SyntacticMatches, 3 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=619occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 470 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 1246 PreInvPairs, 1296 NumberOfFragments, 2261 HoareAnnotationTreeSize, 1246 FomulaSimplifications, 5222 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 59 FomulaSimplificationsInter, 7259 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1349 NumberOfCodeBlocks, 1349 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1335 ConstructedInterpolants, 0 QuantifiedInterpolants, 244167 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1754 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 182/190 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...