./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_10b2c548-4eb1-4d1e-bb13-ee7b730605bc/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_10b2c548-4eb1-4d1e-bb13-ee7b730605bc/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_10b2c548-4eb1-4d1e-bb13-ee7b730605bc/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_10b2c548-4eb1-4d1e-bb13-ee7b730605bc/bin-2019/utaipan/config/TaipanReach.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_10b2c548-4eb1-4d1e-bb13-ee7b730605bc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_10b2c548-4eb1-4d1e-bb13-ee7b730605bc/bin-2019/utaipan --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 Taipan --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 13:35:09,598 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:35:09,599 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:35:09,606 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:35:09,606 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:35:09,607 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:35:09,607 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:35:09,609 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:35:09,610 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:35:09,610 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:35:09,611 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:35:09,611 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:35:09,612 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:35:09,612 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:35:09,614 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:35:09,614 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:35:09,615 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:35:09,616 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:35:09,617 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:35:09,618 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:35:09,619 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:35:09,620 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:35:09,621 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:35:09,622 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:35:09,622 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:35:09,622 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:35:09,623 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:35:09,623 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:35:09,624 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:35:09,624 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:35:09,625 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:35:09,626 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:35:09,626 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:35:09,626 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:35:09,627 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:35:09,627 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:35:09,628 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_10b2c548-4eb1-4d1e-bb13-ee7b730605bc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 13:35:09,637 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:35:09,638 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:35:09,638 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:35:09,638 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:35:09,638 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 13:35:09,638 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 13:35:09,638 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 13:35:09,639 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 13:35:09,639 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 13:35:09,639 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 13:35:09,639 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 13:35:09,639 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 13:35:09,639 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 13:35:09,639 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:35:09,640 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:35:09,640 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:35:09,640 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:35:09,640 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:35:09,640 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:35:09,640 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:35:09,640 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:35:09,640 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:35:09,642 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:35:09,642 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:35:09,642 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:35:09,642 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:35:09,642 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:35:09,643 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:35:09,643 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:35:09,643 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:35:09,643 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:35:09,643 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:35:09,643 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:35:09,643 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 13:35:09,643 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:35:09,644 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:35:09,644 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 13:35:09,644 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_10b2c548-4eb1-4d1e-bb13-ee7b730605bc/bin-2019/utaipan 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 -> Taipan 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 13:35:09,668 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:35:09,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:35:09,678 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:35:09,679 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:35:09,679 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:35:09,680 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_10b2c548-4eb1-4d1e-bb13-ee7b730605bc/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product37_true-unreach-call_false-termination.cil.c [2018-11-23 13:35:09,717 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_10b2c548-4eb1-4d1e-bb13-ee7b730605bc/bin-2019/utaipan/data/79f22a0f7/57fc02510d4a4b11a6acb25d113f475f/FLAG916ad43f6 [2018-11-23 13:35:10,069 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:35:10,069 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_10b2c548-4eb1-4d1e-bb13-ee7b730605bc/sv-benchmarks/c/product-lines/minepump_spec2_product37_true-unreach-call_false-termination.cil.c [2018-11-23 13:35:10,076 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_10b2c548-4eb1-4d1e-bb13-ee7b730605bc/bin-2019/utaipan/data/79f22a0f7/57fc02510d4a4b11a6acb25d113f475f/FLAG916ad43f6 [2018-11-23 13:35:10,087 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_10b2c548-4eb1-4d1e-bb13-ee7b730605bc/bin-2019/utaipan/data/79f22a0f7/57fc02510d4a4b11a6acb25d113f475f [2018-11-23 13:35:10,089 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:35:10,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:35:10,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:35:10,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:35:10,093 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:35:10,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:35:10" (1/1) ... [2018-11-23 13:35:10,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@335f4bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:10, skipping insertion in model container [2018-11-23 13:35:10,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:35:10" (1/1) ... [2018-11-23 13:35:10,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:35:10,131 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:35:10,329 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:35:10,338 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:35:10,438 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:35:10,456 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:35:10,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:10 WrapperNode [2018-11-23 13:35:10,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:35:10,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:35:10,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:35:10,457 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:35:10,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:10" (1/1) ... [2018-11-23 13:35:10,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:10" (1/1) ... [2018-11-23 13:35:10,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:35:10,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:35:10,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:35:10,481 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:35:10,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:10" (1/1) ... [2018-11-23 13:35:10,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:10" (1/1) ... [2018-11-23 13:35:10,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:10" (1/1) ... [2018-11-23 13:35:10,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:10" (1/1) ... [2018-11-23 13:35:10,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:10" (1/1) ... [2018-11-23 13:35:10,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:10" (1/1) ... [2018-11-23 13:35:10,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:10" (1/1) ... [2018-11-23 13:35:10,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:35:10,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:35:10,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:35:10,508 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:35:10,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_10b2c548-4eb1-4d1e-bb13-ee7b730605bc/bin-2019/utaipan/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 13:35:10,549 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 13:35:10,550 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 13:35:10,550 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:35:10,550 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:35:10,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:35:10,550 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 13:35:10,550 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 13:35:10,550 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 13:35:10,551 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 13:35:10,551 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 13:35:10,551 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 13:35:10,551 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 13:35:10,551 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 13:35:10,551 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 13:35:10,551 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 13:35:10,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 13:35:10,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 13:35:10,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 13:35:10,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 13:35:10,552 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 13:35:10,552 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 13:35:10,553 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 13:35:10,553 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 13:35:10,553 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 13:35:10,553 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 13:35:10,553 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 13:35:10,553 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 13:35:10,553 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 13:35:10,553 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 13:35:10,553 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 13:35:10,554 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 13:35:10,554 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 13:35:10,554 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 13:35:10,554 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 13:35:10,554 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 13:35:10,555 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 13:35:10,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 13:35:10,555 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 13:35:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 13:35:10,556 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 13:35:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 13:35:10,556 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 13:35:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 13:35:10,556 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 13:35:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 13:35:10,556 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 13:35:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 13:35:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 13:35:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:35:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:35:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 13:35:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 13:35:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 13:35:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 13:35:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:35:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:35:10,945 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:35:10,945 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 13:35:10,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:35:10 BoogieIcfgContainer [2018-11-23 13:35:10,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:35:10,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:35:10,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:35:10,948 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:35:10,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:35:10" (1/3) ... [2018-11-23 13:35:10,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fdd29b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:35:10, skipping insertion in model container [2018-11-23 13:35:10,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:10" (2/3) ... [2018-11-23 13:35:10,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fdd29b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:35:10, skipping insertion in model container [2018-11-23 13:35:10,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:35:10" (3/3) ... [2018-11-23 13:35:10,951 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37_true-unreach-call_false-termination.cil.c [2018-11-23 13:35:10,957 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:35:10,965 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 13:35:10,975 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 13:35:10,997 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:35:10,997 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:35:10,997 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:35:10,997 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:35:10,997 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:35:10,997 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:35:10,997 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:35:10,997 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:35:11,012 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2018-11-23 13:35:11,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 13:35:11,019 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:11,019 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 13:35:11,021 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:11,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:11,025 INFO L82 PathProgramCache]: Analyzing trace with hash -47045203, now seen corresponding path program 1 times [2018-11-23 13:35:11,026 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:11,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:11,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:11,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:11,057 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:11,214 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 13:35:11,215 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:35:11,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 13:35:11,216 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:11,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 13:35:11,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 13:35:11,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 13:35:11,236 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2018-11-23 13:35:11,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:11,267 INFO L93 Difference]: Finished difference Result 252 states and 315 transitions. [2018-11-23 13:35:11,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 13:35:11,268 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 13:35:11,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:11,278 INFO L225 Difference]: With dead ends: 252 [2018-11-23 13:35:11,278 INFO L226 Difference]: Without dead ends: 128 [2018-11-23 13:35:11,280 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 13:35:11,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-23 13:35:11,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-11-23 13:35:11,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-11-23 13:35:11,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2018-11-23 13:35:11,315 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 51 [2018-11-23 13:35:11,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:11,315 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2018-11-23 13:35:11,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 13:35:11,316 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2018-11-23 13:35:11,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 13:35:11,319 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:11,319 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 13:35:11,320 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:11,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:11,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1778182562, now seen corresponding path program 1 times [2018-11-23 13:35:11,320 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:11,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:11,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:11,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:11,323 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:11,412 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 13:35:11,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:35:11,413 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:35:11,413 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:11,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:35:11,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:35:11,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:35:11,415 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 3 states. [2018-11-23 13:35:11,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:11,433 INFO L93 Difference]: Finished difference Result 201 states and 237 transitions. [2018-11-23 13:35:11,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:35:11,437 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 13:35:11,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:11,439 INFO L225 Difference]: With dead ends: 201 [2018-11-23 13:35:11,439 INFO L226 Difference]: Without dead ends: 119 [2018-11-23 13:35:11,440 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 13:35:11,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-11-23 13:35:11,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-11-23 13:35:11,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-11-23 13:35:11,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2018-11-23 13:35:11,451 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 52 [2018-11-23 13:35:11,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:11,451 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2018-11-23 13:35:11,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:35:11,452 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2018-11-23 13:35:11,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 13:35:11,453 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:11,453 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 13:35:11,453 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:11,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:11,454 INFO L82 PathProgramCache]: Analyzing trace with hash -236607735, now seen corresponding path program 1 times [2018-11-23 13:35:11,454 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:11,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:11,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:11,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:11,455 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:11,653 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 13:35:11,654 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:35:11,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 13:35:11,654 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:11,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 13:35:11,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 13:35:11,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:35:11,655 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 7 states. [2018-11-23 13:35:12,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:12,082 INFO L93 Difference]: Finished difference Result 210 states and 251 transitions. [2018-11-23 13:35:12,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 13:35:12,083 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-23 13:35:12,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:12,085 INFO L225 Difference]: With dead ends: 210 [2018-11-23 13:35:12,085 INFO L226 Difference]: Without dead ends: 119 [2018-11-23 13:35:12,086 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:35:12,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-11-23 13:35:12,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-11-23 13:35:12,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-11-23 13:35:12,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2018-11-23 13:35:12,100 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 56 [2018-11-23 13:35:12,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:12,100 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2018-11-23 13:35:12,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 13:35:12,101 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2018-11-23 13:35:12,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 13:35:12,103 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:12,103 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 13:35:12,105 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:12,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:12,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1269437359, now seen corresponding path program 1 times [2018-11-23 13:35:12,105 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:12,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:12,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:12,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:12,107 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:12,210 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 13:35:12,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:35:12,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 13:35:12,211 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:12,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 13:35:12,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 13:35:12,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 13:35:12,212 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 5 states. [2018-11-23 13:35:12,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:12,558 INFO L93 Difference]: Finished difference Result 306 states and 373 transitions. [2018-11-23 13:35:12,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 13:35:12,561 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-11-23 13:35:12,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:12,563 INFO L225 Difference]: With dead ends: 306 [2018-11-23 13:35:12,564 INFO L226 Difference]: Without dead ends: 215 [2018-11-23 13:35:12,565 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 13:35:12,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-11-23 13:35:12,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 197. [2018-11-23 13:35:12,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-11-23 13:35:12,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 227 transitions. [2018-11-23 13:35:12,589 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 227 transitions. Word has length 69 [2018-11-23 13:35:12,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:12,590 INFO L480 AbstractCegarLoop]: Abstraction has 197 states and 227 transitions. [2018-11-23 13:35:12,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 13:35:12,590 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 227 transitions. [2018-11-23 13:35:12,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 13:35:12,593 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:12,593 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 13:35:12,594 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:12,594 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:12,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1348279355, now seen corresponding path program 1 times [2018-11-23 13:35:12,594 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:12,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:12,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:12,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:12,595 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:12,683 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 13:35:12,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:35:12,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 13:35:12,684 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:12,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 13:35:12,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 13:35:12,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 13:35:12,686 INFO L87 Difference]: Start difference. First operand 197 states and 227 transitions. Second operand 8 states. [2018-11-23 13:35:12,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:12,722 INFO L93 Difference]: Finished difference Result 373 states and 443 transitions. [2018-11-23 13:35:12,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 13:35:12,725 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2018-11-23 13:35:12,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:12,727 INFO L225 Difference]: With dead ends: 373 [2018-11-23 13:35:12,728 INFO L226 Difference]: Without dead ends: 204 [2018-11-23 13:35:12,729 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 13:35:12,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-11-23 13:35:12,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 201. [2018-11-23 13:35:12,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-11-23 13:35:12,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 231 transitions. [2018-11-23 13:35:12,744 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 231 transitions. Word has length 83 [2018-11-23 13:35:12,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:12,745 INFO L480 AbstractCegarLoop]: Abstraction has 201 states and 231 transitions. [2018-11-23 13:35:12,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 13:35:12,745 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 231 transitions. [2018-11-23 13:35:12,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 13:35:12,747 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:12,747 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:35:12,747 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:12,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:12,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1370911609, now seen corresponding path program 1 times [2018-11-23 13:35:12,747 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:12,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:12,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:12,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:12,751 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:12,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:35:12,850 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:35:12,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 13:35:12,850 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:12,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:35:12,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:35:12,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:35:12,851 INFO L87 Difference]: Start difference. First operand 201 states and 231 transitions. Second operand 6 states. [2018-11-23 13:35:13,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:13,019 INFO L93 Difference]: Finished difference Result 529 states and 629 transitions. [2018-11-23 13:35:13,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 13:35:13,020 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-11-23 13:35:13,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:13,022 INFO L225 Difference]: With dead ends: 529 [2018-11-23 13:35:13,023 INFO L226 Difference]: Without dead ends: 356 [2018-11-23 13:35:13,023 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 13:35:13,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-23 13:35:13,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 350. [2018-11-23 13:35:13,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2018-11-23 13:35:13,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 402 transitions. [2018-11-23 13:35:13,046 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 402 transitions. Word has length 83 [2018-11-23 13:35:13,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:13,046 INFO L480 AbstractCegarLoop]: Abstraction has 350 states and 402 transitions. [2018-11-23 13:35:13,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:35:13,046 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 402 transitions. [2018-11-23 13:35:13,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-23 13:35:13,048 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:13,048 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 13:35:13,048 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:13,048 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:13,048 INFO L82 PathProgramCache]: Analyzing trace with hash -21266901, now seen corresponding path program 1 times [2018-11-23 13:35:13,048 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:13,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:13,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:13,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:13,049 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:13,115 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 13:35:13,115 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:35:13,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 13:35:13,115 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:13,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 13:35:13,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 13:35:13,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:35:13,116 INFO L87 Difference]: Start difference. First operand 350 states and 402 transitions. Second operand 7 states. [2018-11-23 13:35:13,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:13,466 INFO L93 Difference]: Finished difference Result 701 states and 828 transitions. [2018-11-23 13:35:13,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 13:35:13,467 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-11-23 13:35:13,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:13,469 INFO L225 Difference]: With dead ends: 701 [2018-11-23 13:35:13,469 INFO L226 Difference]: Without dead ends: 379 [2018-11-23 13:35:13,470 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 13:35:13,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-23 13:35:13,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 349. [2018-11-23 13:35:13,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2018-11-23 13:35:13,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 399 transitions. [2018-11-23 13:35:13,491 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 399 transitions. Word has length 87 [2018-11-23 13:35:13,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:13,491 INFO L480 AbstractCegarLoop]: Abstraction has 349 states and 399 transitions. [2018-11-23 13:35:13,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 13:35:13,491 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 399 transitions. [2018-11-23 13:35:13,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 13:35:13,492 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:13,492 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 13:35:13,493 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:13,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:13,493 INFO L82 PathProgramCache]: Analyzing trace with hash -345672316, now seen corresponding path program 1 times [2018-11-23 13:35:13,493 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:13,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:13,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:13,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:13,494 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:13,546 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 13:35:13,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:35:13,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 13:35:13,547 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:13,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:35:13,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:35:13,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:35:13,548 INFO L87 Difference]: Start difference. First operand 349 states and 399 transitions. Second operand 6 states. [2018-11-23 13:35:13,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:13,583 INFO L93 Difference]: Finished difference Result 680 states and 790 transitions. [2018-11-23 13:35:13,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 13:35:13,584 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-23 13:35:13,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:13,586 INFO L225 Difference]: With dead ends: 680 [2018-11-23 13:35:13,586 INFO L226 Difference]: Without dead ends: 359 [2018-11-23 13:35:13,586 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 13:35:13,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-11-23 13:35:13,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2018-11-23 13:35:13,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2018-11-23 13:35:13,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 409 transitions. [2018-11-23 13:35:13,600 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 409 transitions. Word has length 88 [2018-11-23 13:35:13,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:13,601 INFO L480 AbstractCegarLoop]: Abstraction has 359 states and 409 transitions. [2018-11-23 13:35:13,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:35:13,601 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 409 transitions. [2018-11-23 13:35:13,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 13:35:13,602 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:13,602 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 13:35:13,603 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:13,603 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:13,603 INFO L82 PathProgramCache]: Analyzing trace with hash 2081408455, now seen corresponding path program 1 times [2018-11-23 13:35:13,603 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:13,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:13,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:13,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:13,604 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:13,665 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 13:35:13,665 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:35:13,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 13:35:13,665 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:13,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 13:35:13,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 13:35:13,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 13:35:13,666 INFO L87 Difference]: Start difference. First operand 359 states and 409 transitions. Second operand 4 states. [2018-11-23 13:35:13,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:13,795 INFO L93 Difference]: Finished difference Result 1076 states and 1296 transitions. [2018-11-23 13:35:13,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 13:35:13,795 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2018-11-23 13:35:13,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:13,798 INFO L225 Difference]: With dead ends: 1076 [2018-11-23 13:35:13,799 INFO L226 Difference]: Without dead ends: 745 [2018-11-23 13:35:13,800 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 13:35:13,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2018-11-23 13:35:13,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 483. [2018-11-23 13:35:13,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2018-11-23 13:35:13,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 546 transitions. [2018-11-23 13:35:13,827 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 546 transitions. Word has length 88 [2018-11-23 13:35:13,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:13,828 INFO L480 AbstractCegarLoop]: Abstraction has 483 states and 546 transitions. [2018-11-23 13:35:13,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 13:35:13,828 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 546 transitions. [2018-11-23 13:35:13,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-23 13:35:13,829 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:13,829 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 13:35:13,830 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:13,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:13,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1819438657, now seen corresponding path program 1 times [2018-11-23 13:35:13,830 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:13,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:13,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:13,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:13,831 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:13,880 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 13:35:13,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:35:13,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:35:13,880 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:13,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:35:13,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:35:13,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:35:13,881 INFO L87 Difference]: Start difference. First operand 483 states and 546 transitions. Second operand 3 states. [2018-11-23 13:35:13,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:13,914 INFO L93 Difference]: Finished difference Result 744 states and 856 transitions. [2018-11-23 13:35:13,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:35:13,915 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2018-11-23 13:35:13,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:13,917 INFO L225 Difference]: With dead ends: 744 [2018-11-23 13:35:13,917 INFO L226 Difference]: Without dead ends: 741 [2018-11-23 13:35:13,918 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 13:35:13,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-23 13:35:13,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 619. [2018-11-23 13:35:13,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 619 states. [2018-11-23 13:35:13,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 710 transitions. [2018-11-23 13:35:13,941 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 710 transitions. Word has length 92 [2018-11-23 13:35:13,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:13,942 INFO L480 AbstractCegarLoop]: Abstraction has 619 states and 710 transitions. [2018-11-23 13:35:13,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:35:13,942 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 710 transitions. [2018-11-23 13:35:13,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-23 13:35:13,944 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:13,945 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 13:35:13,945 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:13,945 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:13,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1243590183, now seen corresponding path program 1 times [2018-11-23 13:35:13,946 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:13,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:13,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:13,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:13,946 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:14,057 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 13:35:14,058 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:35:14,058 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:35:14,058 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-11-23 13:35:14,060 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [24], [26], [27], [30], [34], [35], [36], [39], [41], [47], [51], [54], [55], [56], [65], [69], [73], [76], [79], [81], [84], [87], [89], [92], [107], [109], [112], [114], [117], [120], [123], [131], [132], [133], [134], [135], [136], [137], [138], [140], [145], [147], [148], [153], [155], [182], [183], [186], [189], [193], [199], [202], [206], [207], [211], [214], [216], [219], [226], [229], [232], [236], [237], [240], [241], [242], [243], [244], [245], [246], [247], [248], [250], [251], [252], [254], [255], [256], [257], [260], [261], [262], [263], [264], [265], [266], [267], [268], [269], [272], [273], [274], [275], [276], [278], [279], [284], [285], [286], [287], [288], [289], [290], [291], [292], [294], [295], [296], [297], [300], [301] [2018-11-23 13:35:14,091 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:35:14,091 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:35:15,668 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:35:15,669 INFO L272 AbstractInterpreter]: Visited 120 different actions 647 times. Merged at 17 different actions 65 times. Never widened. Performed 27641 root evaluator evaluations with a maximum evaluation depth of 3. Performed 27641 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 17 fixpoints after 6 different actions. Largest state had 134 variables. [2018-11-23 13:35:15,685 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:15,686 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:35:15,686 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:35:15,686 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_10b2c548-4eb1-4d1e-bb13-ee7b730605bc/bin-2019/utaipan/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 13:35:15,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:15,697 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:35:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:15,812 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:35:16,025 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 13:35:16,025 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:35:16,345 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 13:35:16,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 13:35:16,362 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-23 13:35:16,362 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:16,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 13:35:16,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 13:35:16,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 13:35:16,363 INFO L87 Difference]: Start difference. First operand 619 states and 710 transitions. Second operand 8 states. [2018-11-23 13:35:16,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:16,537 INFO L93 Difference]: Finished difference Result 1156 states and 1334 transitions. [2018-11-23 13:35:16,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 13:35:16,538 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2018-11-23 13:35:16,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:16,540 INFO L225 Difference]: With dead ends: 1156 [2018-11-23 13:35:16,540 INFO L226 Difference]: Without dead ends: 565 [2018-11-23 13:35:16,541 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 285 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 13:35:16,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2018-11-23 13:35:16,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 536. [2018-11-23 13:35:16,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2018-11-23 13:35:16,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 606 transitions. [2018-11-23 13:35:16,569 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 606 transitions. Word has length 150 [2018-11-23 13:35:16,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:16,569 INFO L480 AbstractCegarLoop]: Abstraction has 536 states and 606 transitions. [2018-11-23 13:35:16,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 13:35:16,569 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 606 transitions. [2018-11-23 13:35:16,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-23 13:35:16,571 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:16,571 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 13:35:16,571 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:16,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:16,571 INFO L82 PathProgramCache]: Analyzing trace with hash -294954383, now seen corresponding path program 1 times [2018-11-23 13:35:16,571 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:16,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:16,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:16,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:16,572 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:16,658 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 13:35:16,658 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:35:16,658 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:35:16,658 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-11-23 13:35:16,658 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [30], [34], [35], [36], [51], [54], [56], [65], [69], [73], [76], [79], [81], [84], [87], [89], [92], [107], [109], [112], [114], [117], [120], [123], [131], [132], [133], [134], [135], [136], [137], [138], [140], [145], [147], [148], [153], [155], [182], [183], [189], [193], [199], [207], [211], [214], [216], [219], [229], [232], [236], [237], [240], [241], [242], [243], [244], [245], [246], [247], [248], [250], [251], [252], [262], [263], [264], [265], [266], [267], [268], [269], [272], [273], [274], [275], [276], [278], [279], [286], [287], [288], [289], [290], [291], [292], [294], [295], [296], [297] [2018-11-23 13:35:16,662 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:35:16,662 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:35:17,423 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:35:17,423 INFO L272 AbstractInterpreter]: Visited 99 different actions 439 times. Merged at 13 different actions 43 times. Never widened. Performed 19381 root evaluator evaluations with a maximum evaluation depth of 3. Performed 19381 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-23 13:35:17,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:17,433 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:35:17,433 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:35:17,433 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_10b2c548-4eb1-4d1e-bb13-ee7b730605bc/bin-2019/utaipan/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 13:35:17,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:17,444 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:35:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:17,534 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:35:17,575 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 13:35:17,576 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:35:17,719 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 13:35:17,746 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 13:35:17,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-11-23 13:35:17,746 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:17,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:35:17,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:35:17,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-23 13:35:17,747 INFO L87 Difference]: Start difference. First operand 536 states and 606 transitions. Second operand 3 states. [2018-11-23 13:35:17,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:17,803 INFO L93 Difference]: Finished difference Result 861 states and 983 transitions. [2018-11-23 13:35:17,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:35:17,804 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2018-11-23 13:35:17,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:17,804 INFO L225 Difference]: With dead ends: 861 [2018-11-23 13:35:17,805 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 13:35:17,806 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 300 SyntacticMatches, 2 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 13:35:17,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 13:35:17,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 13:35:17,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 13:35:17,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 13:35:17,807 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2018-11-23 13:35:17,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:17,807 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:35:17,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:35:17,807 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:35:17,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:35:17,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 13:35:17,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:17,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:35:18,224 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 29 [2018-11-23 13:35:18,395 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2018-11-23 13:35:18,657 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2018-11-23 13:35:19,019 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2018-11-23 13:35:19,205 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2018-11-23 13:35:19,645 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2018-11-23 13:35:20,516 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 924 930) the Hoare annotation is: true [2018-11-23 13:35:20,516 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 924 930) no Hoare annotation was computed. [2018-11-23 13:35:20,516 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 931 939) no Hoare annotation was computed. [2018-11-23 13:35:20,516 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 931 939) the Hoare annotation is: true [2018-11-23 13:35:20,516 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 931 939) no Hoare annotation was computed. [2018-11-23 13:35:20,517 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 13:35:20,517 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 13:35:20,517 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 13:35:20,517 INFO L448 ceAbstractionStarter]: For program point L892(lines 892 899) no Hoare annotation was computed. [2018-11-23 13:35:20,517 INFO L448 ceAbstractionStarter]: For program point L892-1(lines 892 899) no Hoare annotation was computed. [2018-11-23 13:35:20,517 INFO L448 ceAbstractionStarter]: For program point L890(line 890) no Hoare annotation was computed. [2018-11-23 13:35:20,517 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 13:35:20,517 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 882 904) no Hoare annotation was computed. [2018-11-23 13:35:20,518 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 13:35:20,518 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 13:35:20,518 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 882 904) no Hoare annotation was computed. [2018-11-23 13:35:20,518 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 163 171) no Hoare annotation was computed. [2018-11-23 13:35:20,518 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 163 171) the Hoare annotation is: true [2018-11-23 13:35:20,518 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 163 171) no Hoare annotation was computed. [2018-11-23 13:35:20,518 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 917 923) no Hoare annotation was computed. [2018-11-23 13:35:20,518 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 917 923) the Hoare annotation is: true [2018-11-23 13:35:20,519 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 13:35:20,519 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 868 878) no Hoare annotation was computed. [2018-11-23 13:35:20,519 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 13:35:20,519 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 868 878) no Hoare annotation was computed. [2018-11-23 13:35:20,519 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 152 162) the Hoare annotation is: true [2018-11-23 13:35:20,519 INFO L451 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: true [2018-11-23 13:35:20,519 INFO L448 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2018-11-23 13:35:20,519 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 152 162) no Hoare annotation was computed. [2018-11-23 13:35:20,519 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 152 162) no Hoare annotation was computed. [2018-11-23 13:35:20,520 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 144 151) the Hoare annotation is: (let ((.cse1 (< |old(~pumpRunning~0)| 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or .cse1 .cse0 (or (< ~methaneLevelCritical~0 1) .cse2)))) [2018-11-23 13:35:20,520 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 144 151) no Hoare annotation was computed. [2018-11-23 13:35:20,520 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 144 151) no Hoare annotation was computed. [2018-11-23 13:35:20,520 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 416 429) no Hoare annotation was computed. [2018-11-23 13:35:20,520 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 426) no Hoare annotation was computed. [2018-11-23 13:35:20,520 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 416 429) the Hoare annotation is: true [2018-11-23 13:35:20,520 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 416 429) no Hoare annotation was computed. [2018-11-23 13:35:20,520 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 111 135) no Hoare annotation was computed. [2018-11-23 13:35:20,520 INFO L444 ceAbstractionStarter]: At program point L125(line 125) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse3 (or .cse1 .cse2)) (or .cse4 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse3 (or .cse4 .cse1)))) [2018-11-23 13:35:20,520 INFO L444 ceAbstractionStarter]: At program point L121(line 121) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~1) .cse1) (or .cse2 .cse3)) (or .cse4 .cse3 .cse5) (or .cse1 .cse0 (or .cse3 .cse5)) (or .cse2 (or .cse4 .cse3) (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 13:35:20,521 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 127) no Hoare annotation was computed. [2018-11-23 13:35:20,521 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 111 135) no Hoare annotation was computed. [2018-11-23 13:35:20,521 INFO L444 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (or .cse1 .cse2)) (or .cse4 .cse3 (or .cse5 .cse1)) (or .cse5 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 13:35:20,521 INFO L448 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2018-11-23 13:35:20,521 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 111 135) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse0 .cse5 (or .cse3 .cse4)) (or .cse5 .cse0 (or .cse1 .cse3)))) [2018-11-23 13:35:20,521 INFO L448 ceAbstractionStarter]: For program point L115(lines 115 132) no Hoare annotation was computed. [2018-11-23 13:35:20,521 INFO L444 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse5 (or .cse3 .cse4)) (or .cse5 (or .cse1 .cse3)))) [2018-11-23 13:35:20,521 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 77 83) no Hoare annotation was computed. [2018-11-23 13:35:20,521 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 77 83) the Hoare annotation is: true [2018-11-23 13:35:20,522 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 13:35:20,522 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 13:35:20,522 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 231 294) no Hoare annotation was computed. [2018-11-23 13:35:20,522 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 281) no Hoare annotation was computed. [2018-11-23 13:35:20,522 INFO L444 ceAbstractionStarter]: At program point L277-2(lines 271 282) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse5 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse4 .cse2))) [2018-11-23 13:35:20,522 INFO L448 ceAbstractionStarter]: For program point L242(lines 241 286) no Hoare annotation was computed. [2018-11-23 13:35:20,522 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 282) no Hoare annotation was computed. [2018-11-23 13:35:20,522 INFO L444 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse5 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse4 .cse2 .cse3))) [2018-11-23 13:35:20,522 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 267) no Hoare annotation was computed. [2018-11-23 13:35:20,522 INFO L448 ceAbstractionStarter]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2018-11-23 13:35:20,522 INFO L444 ceAbstractionStarter]: At program point L253(line 253) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse5 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse4 .cse2 .cse3))) [2018-11-23 13:35:20,522 INFO L444 ceAbstractionStarter]: At program point L284(lines 241 286) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse5 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse4 .cse2 .cse3))) [2018-11-23 13:35:20,523 INFO L448 ceAbstractionStarter]: For program point L251(lines 251 257) no Hoare annotation was computed. [2018-11-23 13:35:20,523 INFO L448 ceAbstractionStarter]: For program point L251-1(lines 251 257) no Hoare annotation was computed. [2018-11-23 13:35:20,523 INFO L448 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2018-11-23 13:35:20,523 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 231 294) no Hoare annotation was computed. [2018-11-23 13:35:20,523 INFO L444 ceAbstractionStarter]: At program point L321(line 321) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~pumpRunning~0 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 .cse2 .cse3) (or .cse4 (or .cse2 .cse3)) (or .cse4 .cse0 (= ~waterLevel~0 1) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2018-11-23 13:35:20,523 INFO L448 ceAbstractionStarter]: For program point L319(lines 319 325) no Hoare annotation was computed. [2018-11-23 13:35:20,523 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 328) no Hoare annotation was computed. [2018-11-23 13:35:20,523 INFO L444 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse1 (< ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= ~waterLevel~0 1)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse0 (< ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse5 .cse3 (not .cse2) .cse4) (or .cse6 .cse3 .cse7) (or .cse0 (or .cse3 .cse7)))) [2018-11-23 13:35:20,523 INFO L448 ceAbstractionStarter]: For program point L316-1(line 316) no Hoare annotation was computed. [2018-11-23 13:35:20,524 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 331) no Hoare annotation was computed. [2018-11-23 13:35:20,524 INFO L448 ceAbstractionStarter]: For program point L314-1(lines 306 334) no Hoare annotation was computed. [2018-11-23 13:35:20,524 INFO L444 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2018-11-23 13:35:20,524 INFO L448 ceAbstractionStarter]: For program point L312-1(line 312) no Hoare annotation was computed. [2018-11-23 13:35:20,524 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 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2018-11-23 13:35:20,524 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 306 334) no Hoare annotation was computed. [2018-11-23 13:35:20,524 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 13:35:20,524 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 298 305) no Hoare annotation was computed. [2018-11-23 13:35:20,524 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 298 305) no Hoare annotation was computed. [2018-11-23 13:35:20,525 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:35:20,525 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 13:35:20,525 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:35:20,525 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 136 143) no Hoare annotation was computed. [2018-11-23 13:35:20,525 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 136 143) no Hoare annotation was computed. [2018-11-23 13:35:20,525 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 (not (= ~methaneLevelCritical~0 0))) .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 13:35:20,525 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 208 226) no Hoare annotation was computed. [2018-11-23 13:35:20,525 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 221) no Hoare annotation was computed. [2018-11-23 13:35:20,525 INFO L451 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: true [2018-11-23 13:35:20,526 INFO L448 ceAbstractionStarter]: For program point L217-2(lines 217 221) no Hoare annotation was computed. [2018-11-23 13:35:20,526 INFO L448 ceAbstractionStarter]: For program point L215-1(line 215) no Hoare annotation was computed. [2018-11-23 13:35:20,526 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 208 226) the Hoare annotation is: true [2018-11-23 13:35:20,526 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 208 226) no Hoare annotation was computed. [2018-11-23 13:35:20,526 INFO L448 ceAbstractionStarter]: For program point L367-1(lines 363 374) no Hoare annotation was computed. [2018-11-23 13:35:20,526 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 363 374) the Hoare annotation is: (let ((.cse5 (< ~pumpRunning~0 1)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse6 (< |old(~methaneLevelCritical~0)| 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse5 (or .cse6 .cse1) .cse7) (or .cse5 .cse3 (or .cse1 .cse2) .cse4) (or .cse7 .cse6 (or .cse0 .cse1) .cse4))) [2018-11-23 13:35:20,526 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 363 374) no Hoare annotation was computed. [2018-11-23 13:35:20,526 INFO L451 ceAbstractionStarter]: At program point L832(lines 807 836) the Hoare annotation is: true [2018-11-23 13:35:20,526 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2018-11-23 13:35:20,527 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2018-11-23 13:35:20,527 INFO L448 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-11-23 13:35:20,527 INFO L448 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2018-11-23 13:35:20,527 INFO L451 ceAbstractionStarter]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2018-11-23 13:35:20,527 INFO L448 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2018-11-23 13:35:20,527 INFO L451 ceAbstractionStarter]: At program point L817-2(lines 817 831) the Hoare annotation is: true [2018-11-23 13:35:20,527 INFO L451 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: true [2018-11-23 13:35:20,527 INFO L448 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2018-11-23 13:35:20,527 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 375 383) the Hoare annotation is: true [2018-11-23 13:35:20,527 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 375 383) no Hoare annotation was computed. [2018-11-23 13:35:20,527 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 375 383) no Hoare annotation was computed. [2018-11-23 13:35:20,528 INFO L444 ceAbstractionStarter]: At program point L64(lines 64 70) the Hoare annotation is: (let ((.cse3 (= 0 ~methAndRunningLastTime~0))) (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (and (= 1 ~waterLevel~0) .cse3)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (< |old(~pumpRunning~0)| 1)) (.cse6 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= 0 ~pumpRunning~0))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 (or .cse5 .cse6) .cse7) (or (or .cse5 .cse6 .cse8) .cse4 .cse7 (and .cse1 .cse2)) (or .cse9 .cse0 .cse6 .cse10) (or .cse0 .cse5 .cse11 .cse6 .cse12 .cse7) (or .cse5 .cse11 .cse6 .cse12 .cse7 .cse8) (or .cse4 .cse9 (or .cse6 .cse8) .cse10)))) [2018-11-23 13:35:20,528 INFO L444 ceAbstractionStarter]: At program point L59(line 59) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or .cse4 .cse0 .cse2 .cse5) (or .cse5 .cse4 (or .cse2 .cse6)) (or (or .cse1 .cse2 .cse6) .cse3))) [2018-11-23 13:35:20,528 INFO L448 ceAbstractionStarter]: For program point L57(lines 56 75) no Hoare annotation was computed. [2018-11-23 13:35:20,528 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse10 (= 0 ~methAndRunningLastTime~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse9 (and .cse7 .cse10)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse3) (or .cse6 (or .cse3 .cse8) .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse8) (or (or .cse1 .cse3 .cse8) .cse9 .cse5) (or .cse6 .cse0 .cse10 .cse3 .cse5) (or .cse9 .cse0 (or .cse1 .cse3) .cse5)))) [2018-11-23 13:35:20,528 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2018-11-23 13:35:20,528 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2018-11-23 13:35:20,528 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse8 (< |old(~pumpRunning~0)| 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 1 ~waterLevel~0)) (.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse1 .cse3 .cse6) .cse7 .cse5) (or .cse8 .cse0 .cse3 .cse7) (or .cse7 .cse8 (or .cse3 .cse6)) (or (and .cse7 .cse9) .cse0 (or .cse1 .cse3) .cse5) (or .cse1 (and .cse2 .cse9) .cse3 .cse4 .cse5 .cse6))) [2018-11-23 13:35:20,529 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 339 350) the Hoare annotation is: true [2018-11-23 13:35:20,529 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 339 350) no Hoare annotation was computed. [2018-11-23 13:35:20,529 INFO L448 ceAbstractionStarter]: For program point L343-1(lines 339 350) no Hoare annotation was computed. [2018-11-23 13:35:20,529 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2018-11-23 13:35:20,529 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2018-11-23 13:35:20,529 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:35:20,529 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 13:35:20,529 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:35:20,529 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:35:20,529 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 85 109) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or .cse0 (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-11-23 13:35:20,529 INFO L444 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse5)) (or (or .cse1 .cse2 .cse5) (and .cse3 .cse6)) (or .cse0 (or .cse1 .cse2) .cse6 .cse4))) [2018-11-23 13:35:20,529 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 101) no Hoare annotation was computed. [2018-11-23 13:35:20,529 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 85 109) no Hoare annotation was computed. [2018-11-23 13:35:20,529 INFO L444 ceAbstractionStarter]: At program point L91(line 91) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-11-23 13:35:20,530 INFO L448 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2018-11-23 13:35:20,530 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 106) no Hoare annotation was computed. [2018-11-23 13:35:20,530 INFO L444 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 13:35:20,530 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2018-11-23 13:35:20,530 INFO L444 ceAbstractionStarter]: At program point L99(line 99) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (< |old(~pumpRunning~0)| 1) (or .cse0 .cse1)) (or (or .cse2 .cse0 .cse1) .cse3) (or .cse3 (< ~methaneLevelCritical~0 1) (or .cse2 .cse0) (not (= ~methAndRunningLastTime~0 0))))) [2018-11-23 13:35:20,530 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 351 362) no Hoare annotation was computed. [2018-11-23 13:35:20,530 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 351 362) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4))) [2018-11-23 13:35:20,530 INFO L448 ceAbstractionStarter]: For program point L355-1(lines 351 362) no Hoare annotation was computed. [2018-11-23 13:35:20,530 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 431 438) no Hoare annotation was computed. [2018-11-23 13:35:20,530 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 431 438) the Hoare annotation is: true [2018-11-23 13:35:20,530 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 431 438) no Hoare annotation was computed. [2018-11-23 13:35:20,531 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 435) no Hoare annotation was computed. [2018-11-23 13:35:20,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:35:20 BoogieIcfgContainer [2018-11-23 13:35:20,545 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:35:20,545 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:35:20,545 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:35:20,545 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:35:20,546 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:35:10" (3/4) ... [2018-11-23 13:35:20,549 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:35:20,552 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 13:35:20,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 13:35:20,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 13:35:20,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 13:35:20,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 13:35:20,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 13:35:20,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 13:35:20,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 13:35:20,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 13:35:20,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 13:35:20,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 13:35:20,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 13:35:20,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 13:35:20,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 13:35:20,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 13:35:20,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 13:35:20,554 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 13:35:20,554 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 13:35:20,554 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 13:35:20,554 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 13:35:20,554 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 13:35:20,554 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 13:35:20,554 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 13:35:20,554 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 13:35:20,554 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 13:35:20,554 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 13:35:20,560 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-23 13:35:20,560 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 13:35:20,561 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 13:35:20,561 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 13:35:20,561 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 13:35:20,562 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:35:20,562 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:35:20,581 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || ((1 <= pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((1 <= pumpRunning && 0 == methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime) [2018-11-23 13:35:20,581 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 13:35:20,613 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_10b2c548-4eb1-4d1e-bb13-ee7b730605bc/bin-2019/utaipan/witness.graphml [2018-11-23 13:35:20,613 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:35:20,614 INFO L168 Benchmark]: Toolchain (without parser) took 10524.75 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 598.2 MB). Free memory was 956.4 MB in the beginning and 833.0 MB in the end (delta: 123.5 MB). Peak memory consumption was 721.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:35:20,614 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:35:20,615 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -205.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-23 13:35:20,615 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:35:20,615 INFO L168 Benchmark]: Boogie Preprocessor took 26.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 13:35:20,615 INFO L168 Benchmark]: RCFGBuilder took 437.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:35:20,616 INFO L168 Benchmark]: TraceAbstraction took 9598.74 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 424.7 MB). Free memory was 1.1 GB in the beginning and 842.5 MB in the end (delta: 262.2 MB). Peak memory consumption was 686.8 MB. Max. memory is 11.5 GB. [2018-11-23 13:35:20,616 INFO L168 Benchmark]: Witness Printer took 68.14 ms. Allocated memory is still 1.6 GB. Free memory was 842.5 MB in the beginning and 833.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:35:20,618 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 366.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -205.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 437.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9598.74 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 424.7 MB). Free memory was 1.1 GB in the beginning and 842.5 MB in the end (delta: 262.2 MB). Peak memory consumption was 686.8 MB. Max. memory is 11.5 GB. * Witness Printer took 68.14 ms. Allocated memory is still 1.6 GB. Free memory was 842.5 MB in the beginning and 833.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 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 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || ((1 <= pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((1 <= pumpRunning && 0 == methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime) - 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, 9.5s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 1921 SDtfs, 1013 SDslu, 3717 SDs, 0 SdLazy, 1189 SolverSat, 273 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 716 GetRequests, 631 SyntacticMatches, 9 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.7s 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, 2.4s AbstIntTime, 2 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, 1256 PreInvPairs, 1307 NumberOfFragments, 2308 HoareAnnotationTreeSize, 1256 FomulaSimplifications, 5319 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 59 FomulaSimplificationsInter, 7088 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1349 NumberOfCodeBlocks, 1349 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1633 ConstructedInterpolants, 0 QuantifiedInterpolants, 306747 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1754 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 269/285 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...