./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product40_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cd726416-ff24-4e1a-bfab-198d91e47808/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cd726416-ff24-4e1a-bfab-198d91e47808/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cd726416-ff24-4e1a-bfab-198d91e47808/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cd726416-ff24-4e1a-bfab-198d91e47808/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product40_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cd726416-ff24-4e1a-bfab-198d91e47808/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cd726416-ff24-4e1a-bfab-198d91e47808/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9c111f83061d8c18367444893b685a787d8ca976 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:15:48,577 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:15:48,578 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:15:48,584 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:15:48,584 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:15:48,584 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:15:48,585 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:15:48,586 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:15:48,587 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:15:48,587 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:15:48,587 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:15:48,588 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:15:48,588 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:15:48,588 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:15:48,589 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:15:48,589 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:15:48,590 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:15:48,591 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:15:48,592 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:15:48,593 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:15:48,593 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:15:48,594 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:15:48,595 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:15:48,595 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:15:48,595 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:15:48,596 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:15:48,596 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:15:48,597 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:15:48,597 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:15:48,598 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:15:48,598 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:15:48,598 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:15:48,598 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:15:48,598 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:15:48,599 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:15:48,599 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:15:48,599 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cd726416-ff24-4e1a-bfab-198d91e47808/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 16:15:48,606 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:15:48,606 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:15:48,607 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:15:48,607 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:15:48,607 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 16:15:48,607 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 16:15:48,608 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 16:15:48,608 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:15:48,608 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:15:48,608 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:15:48,608 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:15:48,608 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:15:48,608 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:15:48,608 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:15:48,608 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:15:48,608 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:15:48,608 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:15:48,608 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:15:48,609 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:15:48,609 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:15:48,609 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:15:48,609 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:15:48,609 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:15:48,609 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:15:48,609 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:15:48,609 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:15:48,609 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:15:48,609 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 16:15:48,609 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:15:48,610 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:15:48,610 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_cd726416-ff24-4e1a-bfab-198d91e47808/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c111f83061d8c18367444893b685a787d8ca976 [2018-12-08 16:15:48,626 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:15:48,633 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:15:48,635 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:15:48,636 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:15:48,636 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:15:48,637 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cd726416-ff24-4e1a-bfab-198d91e47808/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product40_true-unreach-call_false-termination.cil.c [2018-12-08 16:15:48,671 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd726416-ff24-4e1a-bfab-198d91e47808/bin-2019/uautomizer/data/70de1cbb4/e164747ed632468286778103f9aeb765/FLAG7b67466bb [2018-12-08 16:15:49,115 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:15:49,116 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cd726416-ff24-4e1a-bfab-198d91e47808/sv-benchmarks/c/product-lines/minepump_spec2_product40_true-unreach-call_false-termination.cil.c [2018-12-08 16:15:49,122 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd726416-ff24-4e1a-bfab-198d91e47808/bin-2019/uautomizer/data/70de1cbb4/e164747ed632468286778103f9aeb765/FLAG7b67466bb [2018-12-08 16:15:49,129 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cd726416-ff24-4e1a-bfab-198d91e47808/bin-2019/uautomizer/data/70de1cbb4/e164747ed632468286778103f9aeb765 [2018-12-08 16:15:49,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:15:49,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:15:49,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:15:49,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:15:49,134 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:15:49,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:15:49" (1/1) ... [2018-12-08 16:15:49,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:15:49, skipping insertion in model container [2018-12-08 16:15:49,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:15:49" (1/1) ... [2018-12-08 16:15:49,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:15:49,160 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:15:49,307 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:15:49,346 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:15:49,398 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:15:49,413 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:15:49,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:15:49 WrapperNode [2018-12-08 16:15:49,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:15:49,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:15:49,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:15:49,414 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:15:49,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:15:49" (1/1) ... [2018-12-08 16:15:49,431 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:15:49" (1/1) ... [2018-12-08 16:15:49,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:15:49,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:15:49,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:15:49,437 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:15:49,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:15:49" (1/1) ... [2018-12-08 16:15:49,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:15:49" (1/1) ... [2018-12-08 16:15:49,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:15:49" (1/1) ... [2018-12-08 16:15:49,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:15:49" (1/1) ... [2018-12-08 16:15:49,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:15:49" (1/1) ... [2018-12-08 16:15:49,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:15:49" (1/1) ... [2018-12-08 16:15:49,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:15:49" (1/1) ... [2018-12-08 16:15:49,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:15:49,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:15:49,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:15:49,463 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:15:49,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:15:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd726416-ff24-4e1a-bfab-198d91e47808/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:15:49,499 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 16:15:49,499 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 16:15:49,499 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 16:15:49,499 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 16:15:49,499 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-08 16:15:49,499 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-08 16:15:49,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:15:49,499 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 16:15:49,499 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 16:15:49,500 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 16:15:49,500 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 16:15:49,500 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 16:15:49,500 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 16:15:49,500 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 16:15:49,500 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 16:15:49,500 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 16:15:49,500 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 16:15:49,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-08 16:15:49,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-08 16:15:49,501 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-08 16:15:49,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-08 16:15:49,501 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 16:15:49,501 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 16:15:49,501 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 16:15:49,501 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 16:15:49,501 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 16:15:49,501 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 16:15:49,502 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 16:15:49,502 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 16:15:49,502 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 16:15:49,502 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 16:15:49,502 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 16:15:49,502 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 16:15:49,502 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 16:15:49,502 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 16:15:49,502 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 16:15:49,502 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 16:15:49,502 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 16:15:49,502 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 16:15:49,502 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 16:15:49,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 16:15:49,503 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 16:15:49,503 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 16:15:49,503 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 16:15:49,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 16:15:49,503 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 16:15:49,503 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 16:15:49,503 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 16:15:49,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 16:15:49,503 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 16:15:49,503 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 16:15:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 16:15:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 16:15:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 16:15:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 16:15:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 16:15:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 16:15:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 16:15:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:15:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:15:49,839 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:15:49,839 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 16:15:49,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:15:49 BoogieIcfgContainer [2018-12-08 16:15:49,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:15:49,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:15:49,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:15:49,843 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:15:49,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:15:49" (1/3) ... [2018-12-08 16:15:49,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c33c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:15:49, skipping insertion in model container [2018-12-08 16:15:49,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:15:49" (2/3) ... [2018-12-08 16:15:49,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c33c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:15:49, skipping insertion in model container [2018-12-08 16:15:49,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:15:49" (3/3) ... [2018-12-08 16:15:49,845 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40_true-unreach-call_false-termination.cil.c [2018-12-08 16:15:49,853 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:15:49,859 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 16:15:49,872 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 16:15:49,894 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 16:15:49,895 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:15:49,895 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:15:49,895 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:15:49,895 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:15:49,895 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:15:49,895 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:15:49,895 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:15:49,895 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:15:49,907 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2018-12-08 16:15:49,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 16:15:49,912 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:15:49,912 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:15:49,914 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:15:49,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:15:49,917 INFO L82 PathProgramCache]: Analyzing trace with hash 2091806382, now seen corresponding path program 1 times [2018-12-08 16:15:49,918 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:15:49,919 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:15:49,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:15:49,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:15:49,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:15:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:15:50,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:15:50,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:15:50,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 16:15:50,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 16:15:50,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 16:15:50,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 16:15:50,070 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2018-12-08 16:15:50,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:15:50,093 INFO L93 Difference]: Finished difference Result 272 states and 339 transitions. [2018-12-08 16:15:50,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 16:15:50,094 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-08 16:15:50,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:15:50,101 INFO L225 Difference]: With dead ends: 272 [2018-12-08 16:15:50,101 INFO L226 Difference]: Without dead ends: 138 [2018-12-08 16:15:50,103 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 16:15:50,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-12-08 16:15:50,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-12-08 16:15:50,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-12-08 16:15:50,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 163 transitions. [2018-12-08 16:15:50,135 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 163 transitions. Word has length 51 [2018-12-08 16:15:50,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:15:50,135 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 163 transitions. [2018-12-08 16:15:50,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 16:15:50,136 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 163 transitions. [2018-12-08 16:15:50,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 16:15:50,138 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:15:50,138 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] [2018-12-08 16:15:50,138 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:15:50,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:15:50,138 INFO L82 PathProgramCache]: Analyzing trace with hash -692733716, now seen corresponding path program 1 times [2018-12-08 16:15:50,138 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:15:50,139 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:15:50,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:15:50,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:15:50,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:15:50,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:15:50,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:15:50,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:15:50,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 16:15:50,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:15:50,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:15:50,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:15:50,216 INFO L87 Difference]: Start difference. First operand 138 states and 163 transitions. Second operand 3 states. [2018-12-08 16:15:50,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:15:50,233 INFO L93 Difference]: Finished difference Result 211 states and 249 transitions. [2018-12-08 16:15:50,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:15:50,234 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-08 16:15:50,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:15:50,235 INFO L225 Difference]: With dead ends: 211 [2018-12-08 16:15:50,236 INFO L226 Difference]: Without dead ends: 129 [2018-12-08 16:15:50,237 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:15:50,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-12-08 16:15:50,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-12-08 16:15:50,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-12-08 16:15:50,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 151 transitions. [2018-12-08 16:15:50,247 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 151 transitions. Word has length 52 [2018-12-08 16:15:50,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:15:50,248 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 151 transitions. [2018-12-08 16:15:50,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:15:50,248 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2018-12-08 16:15:50,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 16:15:50,249 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:15:50,249 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:15:50,250 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:15:50,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:15:50,250 INFO L82 PathProgramCache]: Analyzing trace with hash -925146630, now seen corresponding path program 1 times [2018-12-08 16:15:50,250 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:15:50,250 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:15:50,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:15:50,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:15:50,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:15:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:15:50,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:15:50,335 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:15:50,335 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 16:15:50,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:15:50,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:15:50,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:15:50,337 INFO L87 Difference]: Start difference. First operand 129 states and 151 transitions. Second operand 7 states. [2018-12-08 16:15:50,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:15:50,603 INFO L93 Difference]: Finished difference Result 382 states and 467 transitions. [2018-12-08 16:15:50,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 16:15:50,603 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-08 16:15:50,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:15:50,606 INFO L225 Difference]: With dead ends: 382 [2018-12-08 16:15:50,606 INFO L226 Difference]: Without dead ends: 281 [2018-12-08 16:15:50,607 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:15:50,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2018-12-08 16:15:50,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 269. [2018-12-08 16:15:50,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-12-08 16:15:50,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 328 transitions. [2018-12-08 16:15:50,632 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 328 transitions. Word has length 57 [2018-12-08 16:15:50,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:15:50,633 INFO L480 AbstractCegarLoop]: Abstraction has 269 states and 328 transitions. [2018-12-08 16:15:50,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:15:50,633 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 328 transitions. [2018-12-08 16:15:50,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-08 16:15:50,635 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:15:50,635 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] [2018-12-08 16:15:50,635 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:15:50,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:15:50,636 INFO L82 PathProgramCache]: Analyzing trace with hash 844118170, now seen corresponding path program 1 times [2018-12-08 16:15:50,636 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:15:50,636 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:15:50,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:15:50,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:15:50,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:15:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:15:50,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:15:50,706 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:15:50,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 16:15:50,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:15:50,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:15:50,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:15:50,707 INFO L87 Difference]: Start difference. First operand 269 states and 328 transitions. Second operand 6 states. [2018-12-08 16:15:50,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:15:50,859 INFO L93 Difference]: Finished difference Result 733 states and 918 transitions. [2018-12-08 16:15:50,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 16:15:50,859 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-08 16:15:50,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:15:50,863 INFO L225 Difference]: With dead ends: 733 [2018-12-08 16:15:50,863 INFO L226 Difference]: Without dead ends: 492 [2018-12-08 16:15:50,865 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:15:50,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2018-12-08 16:15:50,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 486. [2018-12-08 16:15:50,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2018-12-08 16:15:50,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 596 transitions. [2018-12-08 16:15:50,897 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 596 transitions. Word has length 62 [2018-12-08 16:15:50,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:15:50,898 INFO L480 AbstractCegarLoop]: Abstraction has 486 states and 596 transitions. [2018-12-08 16:15:50,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:15:50,898 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 596 transitions. [2018-12-08 16:15:50,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 16:15:50,901 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:15:50,901 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] [2018-12-08 16:15:50,901 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:15:50,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:15:50,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1970608458, now seen corresponding path program 1 times [2018-12-08 16:15:50,901 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:15:50,902 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:15:50,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:15:50,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:15:50,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:15:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:15:50,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:15:50,958 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:15:50,958 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 16:15:50,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:15:50,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:15:50,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:15:50,958 INFO L87 Difference]: Start difference. First operand 486 states and 596 transitions. Second operand 7 states. [2018-12-08 16:15:51,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:15:51,445 INFO L93 Difference]: Finished difference Result 1271 states and 1678 transitions. [2018-12-08 16:15:51,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 16:15:51,446 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-08 16:15:51,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:15:51,448 INFO L225 Difference]: With dead ends: 1271 [2018-12-08 16:15:51,449 INFO L226 Difference]: Without dead ends: 813 [2018-12-08 16:15:51,450 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-08 16:15:51,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2018-12-08 16:15:51,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 715. [2018-12-08 16:15:51,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 715 states. [2018-12-08 16:15:51,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 871 transitions. [2018-12-08 16:15:51,494 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 871 transitions. Word has length 66 [2018-12-08 16:15:51,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:15:51,495 INFO L480 AbstractCegarLoop]: Abstraction has 715 states and 871 transitions. [2018-12-08 16:15:51,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:15:51,495 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 871 transitions. [2018-12-08 16:15:51,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 16:15:51,497 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:15:51,497 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] [2018-12-08 16:15:51,497 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:15:51,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:15:51,498 INFO L82 PathProgramCache]: Analyzing trace with hash 271257836, now seen corresponding path program 1 times [2018-12-08 16:15:51,498 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:15:51,498 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:15:51,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:15:51,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:15:51,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:15:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:15:51,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:15:51,554 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:15:51,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 16:15:51,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:15:51,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:15:51,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:15:51,555 INFO L87 Difference]: Start difference. First operand 715 states and 871 transitions. Second operand 6 states. [2018-12-08 16:15:51,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:15:51,588 INFO L93 Difference]: Finished difference Result 1422 states and 1764 transitions. [2018-12-08 16:15:51,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:15:51,589 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-08 16:15:51,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:15:51,591 INFO L225 Difference]: With dead ends: 1422 [2018-12-08 16:15:51,591 INFO L226 Difference]: Without dead ends: 735 [2018-12-08 16:15:51,592 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:15:51,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2018-12-08 16:15:51,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 735. [2018-12-08 16:15:51,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2018-12-08 16:15:51,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 891 transitions. [2018-12-08 16:15:51,614 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 891 transitions. Word has length 89 [2018-12-08 16:15:51,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:15:51,614 INFO L480 AbstractCegarLoop]: Abstraction has 735 states and 891 transitions. [2018-12-08 16:15:51,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:15:51,614 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 891 transitions. [2018-12-08 16:15:51,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 16:15:51,615 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:15:51,615 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] [2018-12-08 16:15:51,615 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:15:51,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:15:51,615 INFO L82 PathProgramCache]: Analyzing trace with hash 972857710, now seen corresponding path program 1 times [2018-12-08 16:15:51,615 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:15:51,616 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:15:51,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:15:51,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:15:51,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:15:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:15:51,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:15:51,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:15:51,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 16:15:51,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 16:15:51,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 16:15:51,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 16:15:51,675 INFO L87 Difference]: Start difference. First operand 735 states and 891 transitions. Second operand 8 states. [2018-12-08 16:15:51,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:15:51,705 INFO L93 Difference]: Finished difference Result 1470 states and 1842 transitions. [2018-12-08 16:15:51,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 16:15:51,706 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2018-12-08 16:15:51,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:15:51,709 INFO L225 Difference]: With dead ends: 1470 [2018-12-08 16:15:51,709 INFO L226 Difference]: Without dead ends: 763 [2018-12-08 16:15:51,711 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 16:15:51,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2018-12-08 16:15:51,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 751. [2018-12-08 16:15:51,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 751 states. [2018-12-08 16:15:51,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 907 transitions. [2018-12-08 16:15:51,744 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 907 transitions. Word has length 89 [2018-12-08 16:15:51,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:15:51,745 INFO L480 AbstractCegarLoop]: Abstraction has 751 states and 907 transitions. [2018-12-08 16:15:51,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 16:15:51,745 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 907 transitions. [2018-12-08 16:15:51,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 16:15:51,746 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:15:51,747 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, 1, 1, 1, 1, 1, 1] [2018-12-08 16:15:51,747 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:15:51,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:15:51,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1596628689, now seen corresponding path program 1 times [2018-12-08 16:15:51,747 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:15:51,747 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:15:51,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:15:51,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:15:51,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:15:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:15:51,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:15:51,799 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:15:51,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 16:15:51,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 16:15:51,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 16:15:51,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 16:15:51,800 INFO L87 Difference]: Start difference. First operand 751 states and 907 transitions. Second operand 4 states. [2018-12-08 16:15:51,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:15:51,956 INFO L93 Difference]: Finished difference Result 2441 states and 3094 transitions. [2018-12-08 16:15:51,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 16:15:51,956 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-12-08 16:15:51,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:15:51,963 INFO L225 Difference]: With dead ends: 2441 [2018-12-08 16:15:51,964 INFO L226 Difference]: Without dead ends: 1718 [2018-12-08 16:15:51,966 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 16:15:51,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2018-12-08 16:15:52,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1687. [2018-12-08 16:15:52,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1687 states. [2018-12-08 16:15:52,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 2087 transitions. [2018-12-08 16:15:52,019 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 2087 transitions. Word has length 89 [2018-12-08 16:15:52,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:15:52,020 INFO L480 AbstractCegarLoop]: Abstraction has 1687 states and 2087 transitions. [2018-12-08 16:15:52,020 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 16:15:52,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2087 transitions. [2018-12-08 16:15:52,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 16:15:52,021 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:15:52,022 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, 1] [2018-12-08 16:15:52,022 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:15:52,022 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:15:52,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1746816523, now seen corresponding path program 1 times [2018-12-08 16:15:52,022 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:15:52,022 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:15:52,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:15:52,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:15:52,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:15:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:15:52,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:15:52,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:15:52,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 16:15:52,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:15:52,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:15:52,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:15:52,049 INFO L87 Difference]: Start difference. First operand 1687 states and 2087 transitions. Second operand 3 states. [2018-12-08 16:15:52,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:15:52,129 INFO L93 Difference]: Finished difference Result 2662 states and 3401 transitions. [2018-12-08 16:15:52,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:15:52,129 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-12-08 16:15:52,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:15:52,139 INFO L225 Difference]: With dead ends: 2662 [2018-12-08 16:15:52,139 INFO L226 Difference]: Without dead ends: 2659 [2018-12-08 16:15:52,141 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 [2018-12-08 16:15:52,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2659 states. [2018-12-08 16:15:52,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2659 to 2499. [2018-12-08 16:15:52,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2499 states. [2018-12-08 16:15:52,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 2499 states and 3205 transitions. [2018-12-08 16:15:52,234 INFO L78 Accepts]: Start accepts. Automaton has 2499 states and 3205 transitions. Word has length 93 [2018-12-08 16:15:52,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:15:52,234 INFO L480 AbstractCegarLoop]: Abstraction has 2499 states and 3205 transitions. [2018-12-08 16:15:52,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:15:52,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2499 states and 3205 transitions. [2018-12-08 16:15:52,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 16:15:52,240 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:15:52,241 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:15:52,241 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:15:52,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:15:52,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1692239768, now seen corresponding path program 1 times [2018-12-08 16:15:52,241 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:15:52,241 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:15:52,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:15:52,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:15:52,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:15:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:15:52,352 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 16:15:52,352 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:15:52,352 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd726416-ff24-4e1a-bfab-198d91e47808/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:15:52,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:15:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:15:52,466 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:15:52,580 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 16:15:52,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 16:15:52,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-08 16:15:52,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 16:15:52,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 16:15:52,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-08 16:15:52,598 INFO L87 Difference]: Start difference. First operand 2499 states and 3205 transitions. Second operand 19 states. [2018-12-08 16:15:53,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:15:53,320 INFO L93 Difference]: Finished difference Result 4778 states and 6212 transitions. [2018-12-08 16:15:53,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 16:15:53,320 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 152 [2018-12-08 16:15:53,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:15:53,326 INFO L225 Difference]: With dead ends: 4778 [2018-12-08 16:15:53,326 INFO L226 Difference]: Without dead ends: 2307 [2018-12-08 16:15:53,330 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 149 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-08 16:15:53,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2307 states. [2018-12-08 16:15:53,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2307 to 1977. [2018-12-08 16:15:53,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1977 states. [2018-12-08 16:15:53,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 1977 states and 2430 transitions. [2018-12-08 16:15:53,399 INFO L78 Accepts]: Start accepts. Automaton has 1977 states and 2430 transitions. Word has length 152 [2018-12-08 16:15:53,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:15:53,400 INFO L480 AbstractCegarLoop]: Abstraction has 1977 states and 2430 transitions. [2018-12-08 16:15:53,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 16:15:53,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2430 transitions. [2018-12-08 16:15:53,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 16:15:53,404 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:15:53,404 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, 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] [2018-12-08 16:15:53,404 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:15:53,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:15:53,404 INFO L82 PathProgramCache]: Analyzing trace with hash -2049218571, now seen corresponding path program 1 times [2018-12-08 16:15:53,404 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:15:53,404 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:15:53,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:15:53,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:15:53,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:15:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:15:53,463 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 16:15:53,463 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:15:53,464 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd726416-ff24-4e1a-bfab-198d91e47808/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:15:53,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:15:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:15:53,550 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:15:53,571 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:15:53,596 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 16:15:53,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-12-08 16:15:53,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 16:15:53,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 16:15:53,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-08 16:15:53,597 INFO L87 Difference]: Start difference. First operand 1977 states and 2430 transitions. Second operand 8 states. [2018-12-08 16:15:53,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:15:53,746 INFO L93 Difference]: Finished difference Result 3503 states and 4367 transitions. [2018-12-08 16:15:53,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:15:53,747 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2018-12-08 16:15:53,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:15:53,754 INFO L225 Difference]: With dead ends: 3503 [2018-12-08 16:15:53,755 INFO L226 Difference]: Without dead ends: 1878 [2018-12-08 16:15:53,759 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-08 16:15:53,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1878 states. [2018-12-08 16:15:53,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1878 to 1437. [2018-12-08 16:15:53,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1437 states. [2018-12-08 16:15:53,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1437 states and 1619 transitions. [2018-12-08 16:15:53,851 INFO L78 Accepts]: Start accepts. Automaton has 1437 states and 1619 transitions. Word has length 152 [2018-12-08 16:15:53,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:15:53,851 INFO L480 AbstractCegarLoop]: Abstraction has 1437 states and 1619 transitions. [2018-12-08 16:15:53,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 16:15:53,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 1619 transitions. [2018-12-08 16:15:53,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-08 16:15:53,854 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:15:53,854 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:15:53,854 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:15:53,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:15:53,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1446798788, now seen corresponding path program 1 times [2018-12-08 16:15:53,854 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:15:53,854 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:15:53,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:15:53,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:15:53,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:15:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:15:53,889 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-08 16:15:53,889 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:15:53,889 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 16:15:53,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:15:53,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:15:53,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:15:53,890 INFO L87 Difference]: Start difference. First operand 1437 states and 1619 transitions. Second operand 3 states. [2018-12-08 16:15:53,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:15:53,934 INFO L93 Difference]: Finished difference Result 2238 states and 2532 transitions. [2018-12-08 16:15:53,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:15:53,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2018-12-08 16:15:53,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:15:53,935 INFO L225 Difference]: With dead ends: 2238 [2018-12-08 16:15:53,935 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 16:15:53,938 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:15:53,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 16:15:53,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 16:15:53,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 16:15:53,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 16:15:53,939 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2018-12-08 16:15:53,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:15:53,939 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 16:15:53,939 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:15:53,939 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 16:15:53,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 16:15:53,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 16:15:54,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:15:54,929 WARN L180 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 54 [2018-12-08 16:15:55,187 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 31 [2018-12-08 16:15:55,506 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 53 [2018-12-08 16:15:56,189 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2018-12-08 16:15:56,925 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 952 958) the Hoare annotation is: true [2018-12-08 16:15:56,925 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 952 958) no Hoare annotation was computed. [2018-12-08 16:15:56,925 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 959 967) no Hoare annotation was computed. [2018-12-08 16:15:56,925 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 959 967) the Hoare annotation is: true [2018-12-08 16:15:56,925 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 959 967) no Hoare annotation was computed. [2018-12-08 16:15:56,926 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 910 932) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:15:56,926 INFO L444 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:15:56,926 INFO L444 ceAbstractionStarter]: At program point L922-1(line 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:15:56,926 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 910 932) no Hoare annotation was computed. [2018-12-08 16:15:56,926 INFO L448 ceAbstractionStarter]: For program point L920(lines 920 927) no Hoare annotation was computed. [2018-12-08 16:15:56,926 INFO L448 ceAbstractionStarter]: For program point L920-1(lines 920 927) no Hoare annotation was computed. [2018-12-08 16:15:56,926 INFO L448 ceAbstractionStarter]: For program point L918(line 918) no Hoare annotation was computed. [2018-12-08 16:15:56,926 INFO L444 ceAbstractionStarter]: At program point L917(line 917) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:15:56,926 INFO L444 ceAbstractionStarter]: At program point L916(line 916) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:15:56,926 INFO L444 ceAbstractionStarter]: At program point L916-1(line 916) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:15:56,926 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 910 932) no Hoare annotation was computed. [2018-12-08 16:15:56,926 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 435 449) no Hoare annotation was computed. [2018-12-08 16:15:56,927 INFO L444 ceAbstractionStarter]: At program point L441(line 441) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and (not (= ~systemActive~0 0)) .cse0) (or .cse1 (or (= |old(~systemActive~0)| 0) .cse2))) (or .cse3 .cse4 .cse2) (or .cse5 .cse3 .cse4) (or .cse5 .cse1 (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) .cse0)))) [2018-12-08 16:15:56,927 INFO L448 ceAbstractionStarter]: For program point L439(lines 439 445) no Hoare annotation was computed. [2018-12-08 16:15:56,927 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 435 449) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~systemActive~0)| 0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (= ~methAndRunningLastTime~0 0)))) (let ((.cse6 (or .cse7 .cse9 .cse10)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not .cse3)) (.cse8 (or .cse9 .cse10 .cse4)) (.cse0 (= ~systemActive~0 0))) (and (or (and (not .cse0) .cse1) (or .cse2 (or .cse3 .cse4))) (or .cse5 .cse6 .cse0) (or .cse1 .cse6) (or .cse7 .cse2 (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) .cse1)) (or .cse8 .cse1) (or .cse5 .cse8 .cse0)))) [2018-12-08 16:15:56,927 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 435 449) no Hoare annotation was computed. [2018-12-08 16:15:56,927 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 371 379) no Hoare annotation was computed. [2018-12-08 16:15:56,927 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 371 379) the Hoare annotation is: true [2018-12-08 16:15:56,927 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 371 379) no Hoare annotation was computed. [2018-12-08 16:15:56,927 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 945 951) no Hoare annotation was computed. [2018-12-08 16:15:56,927 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 945 951) the Hoare annotation is: true [2018-12-08 16:15:56,927 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 896 906) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:15:56,927 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 896 906) no Hoare annotation was computed. [2018-12-08 16:15:56,927 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 896 906) no Hoare annotation was computed. [2018-12-08 16:15:56,927 INFO L444 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:15:56,927 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 360 370) the Hoare annotation is: true [2018-12-08 16:15:56,927 INFO L451 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: true [2018-12-08 16:15:56,927 INFO L448 ceAbstractionStarter]: For program point L365-1(line 365) no Hoare annotation was computed. [2018-12-08 16:15:56,927 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 360 370) no Hoare annotation was computed. [2018-12-08 16:15:56,927 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 360 370) no Hoare annotation was computed. [2018-12-08 16:15:56,928 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 352 359) the Hoare annotation is: (let ((.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 (or (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0))))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 (not (= ~systemActive~0 1)) .cse0))) [2018-12-08 16:15:56,928 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 352 359) no Hoare annotation was computed. [2018-12-08 16:15:56,928 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 352 359) no Hoare annotation was computed. [2018-12-08 16:15:56,928 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 319 343) no Hoare annotation was computed. [2018-12-08 16:15:56,928 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 319 343) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1) .cse2 .cse3) (or .cse3 (or .cse4 .cse0 .cse1)) (or .cse5 .cse2 .cse0 .cse3) (or (or .cse5 .cse4 .cse0 (not (= ~methAndRunningLastTime~0 0))) .cse3))) [2018-12-08 16:15:56,928 INFO L444 ceAbstractionStarter]: At program point L338(line 338) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1) .cse2) (or .cse3 (or .cse4 .cse0 .cse1)) (or .cse5 .cse2 .cse0) (or (or .cse5 .cse4 .cse0 (not (= ~methAndRunningLastTime~0 0))) .cse3))) [2018-12-08 16:15:56,928 INFO L448 ceAbstractionStarter]: For program point L338-1(lines 319 343) no Hoare annotation was computed. [2018-12-08 16:15:56,928 INFO L444 ceAbstractionStarter]: At program point L333(line 333) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse4 .cse1) (or (or .cse1 .cse2) .cse4 (and (= processEnvironment_~tmp~3 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-08 16:15:56,928 INFO L444 ceAbstractionStarter]: At program point L329(line 329) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1) .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse3 .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse4 (and (= processEnvironment_~tmp~3 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 .cse0))) [2018-12-08 16:15:56,928 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 335) no Hoare annotation was computed. [2018-12-08 16:15:56,928 INFO L444 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1) .cse2 .cse3) (or .cse4 .cse0 .cse1) (or .cse5 .cse4 .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse5 .cse2 .cse0 .cse3))) [2018-12-08 16:15:56,928 INFO L448 ceAbstractionStarter]: For program point L325-1(line 325) no Hoare annotation was computed. [2018-12-08 16:15:56,928 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 340) no Hoare annotation was computed. [2018-12-08 16:15:56,928 INFO L448 ceAbstractionStarter]: For program point L171(lines 171 177) no Hoare annotation was computed. [2018-12-08 16:15:56,928 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 167 180) no Hoare annotation was computed. [2018-12-08 16:15:56,928 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 167 180) the Hoare annotation is: true [2018-12-08 16:15:56,928 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 167 180) no Hoare annotation was computed. [2018-12-08 16:15:56,928 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 285 291) no Hoare annotation was computed. [2018-12-08 16:15:56,929 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 285 291) the Hoare annotation is: true [2018-12-08 16:15:56,929 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 186 253) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:15:56,929 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 186 253) no Hoare annotation was computed. [2018-12-08 16:15:56,929 INFO L444 ceAbstractionStarter]: At program point L246(lines 195 247) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 16:15:56,929 INFO L444 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and (and .cse4 (not (= ~systemActive~0 0)) .cse2) .cse5) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse1 (= ~systemActive~0 1) .cse2))) [2018-12-08 16:15:56,929 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 240) no Hoare annotation was computed. [2018-12-08 16:15:56,929 INFO L444 ceAbstractionStarter]: At program point L234-1(lines 226 241) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse4 (= ~systemActive~0 0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (and .cse0 .cse5 .cse3)) (and .cse0 .cse5 .cse2 .cse3 .cse6) (and .cse5 .cse7 .cse2 .cse3 .cse6) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse7 .cse2 .cse3) (and .cse4 .cse5 .cse7 .cse3))) [2018-12-08 16:15:56,929 INFO L448 ceAbstractionStarter]: For program point L197(lines 196 245) no Hoare annotation was computed. [2018-12-08 16:15:56,929 INFO L444 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse2) (and .cse5 .cse4 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 16:15:56,929 INFO L448 ceAbstractionStarter]: For program point L226(lines 226 241) no Hoare annotation was computed. [2018-12-08 16:15:56,929 INFO L444 ceAbstractionStarter]: At program point L218(line 218) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse7 (= ~systemActive~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse4 .cse3) (and .cse1 .cse6 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse1 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse6 .cse2 .cse3) (and .cse7 .cse0 .cse1 .cse3 .cse4))) [2018-12-08 16:15:56,929 INFO L448 ceAbstractionStarter]: For program point L216(lines 216 222) no Hoare annotation was computed. [2018-12-08 16:15:56,929 INFO L448 ceAbstractionStarter]: For program point L216-1(lines 216 222) no Hoare annotation was computed. [2018-12-08 16:15:56,929 INFO L444 ceAbstractionStarter]: At program point L243(lines 196 245) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse4 .cse3) (and .cse1 .cse6 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse1 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse0 .cse1 .cse3 .cse4) (and (not (= ~waterLevel~0 1)) .cse5 .cse6 .cse2 .cse3))) [2018-12-08 16:15:56,930 INFO L444 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~systemActive~0 0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (and .cse0 .cse6 .cse3) .cse4) (and .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse6 .cse7 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse7 .cse2 .cse3))) [2018-12-08 16:15:56,930 INFO L448 ceAbstractionStarter]: For program point L206(lines 206 212) no Hoare annotation was computed. [2018-12-08 16:15:56,930 INFO L448 ceAbstractionStarter]: For program point L206-1(lines 206 212) no Hoare annotation was computed. [2018-12-08 16:15:56,930 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 202) no Hoare annotation was computed. [2018-12-08 16:15:56,930 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 186 253) no Hoare annotation was computed. [2018-12-08 16:15:56,930 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-12-08 16:15:56,930 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 74) no Hoare annotation was computed. [2018-12-08 16:15:56,930 INFO L444 ceAbstractionStarter]: At program point L62(line 62) the Hoare annotation is: (let ((.cse9 (= ~waterLevel~0 1))) (let ((.cse3 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1))) (.cse7 (not .cse9)) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse5 (not (= ~systemActive~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1) .cse2) (or (or .cse1 .cse2) .cse3) (or .cse4 .cse0 .cse5 .cse6 .cse7 .cse8) (or .cse4 .cse9 .cse6 .cse3 .cse1 .cse8) (or .cse4 .cse0 .cse1 .cse7 .cse8 .cse6) (or .cse5 (or .cse0 .cse2))))) [2018-12-08 16:15:56,930 INFO L448 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2018-12-08 16:15:56,930 INFO L448 ceAbstractionStarter]: For program point L60(lines 60 77) no Hoare annotation was computed. [2018-12-08 16:15:56,930 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2018-12-08 16:15:56,930 INFO L444 ceAbstractionStarter]: At program point L58(line 58) the Hoare annotation is: (let ((.cse8 (= ~waterLevel~0 1))) (let ((.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~systemActive~0 0))) (.cse3 (not .cse8)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse1 .cse3 .cse4) (or .cse6 .cse8 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse6 .cse0 .cse2 .cse3 .cse4 .cse1) (or .cse1 .cse0 .cse7 .cse3 .cse4 .cse5)))) [2018-12-08 16:15:56,930 INFO L448 ceAbstractionStarter]: For program point L58-1(line 58) no Hoare annotation was computed. [2018-12-08 16:15:56,930 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: (let ((.cse8 (= ~waterLevel~0 1))) (let ((.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~systemActive~0 0))) (.cse3 (not .cse8)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse1 .cse3 .cse4) (or .cse6 .cse8 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse6 .cse0 .cse2 .cse3 .cse4 .cse1) (or .cse1 .cse0 .cse7 .cse3 .cse4 .cse5)))) [2018-12-08 16:15:56,930 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2018-12-08 16:15:56,930 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse6 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse6 .cse2)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or (or .cse2 .cse1) .cse3) (or .cse4 (or .cse5 .cse6)) (or .cse5 .cse0) (or .cse5 (= ~waterLevel~0 1) .cse3 .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse4 (or .cse6 .cse1))))) [2018-12-08 16:15:56,930 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) 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))) [2018-12-08 16:15:56,930 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-12-08 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-12-08 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:15:56,931 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-08 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 344 351) no Hoare annotation was computed. [2018-12-08 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 344 351) no Hoare annotation was computed. [2018-12-08 16:15:56,931 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 344 351) 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 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-12-08 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 416 434) no Hoare annotation was computed. [2018-12-08 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 429) no Hoare annotation was computed. [2018-12-08 16:15:56,931 INFO L451 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2018-12-08 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point L425-2(lines 425 429) no Hoare annotation was computed. [2018-12-08 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2018-12-08 16:15:56,931 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 416 434) the Hoare annotation is: true [2018-12-08 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 416 434) no Hoare annotation was computed. [2018-12-08 16:15:56,931 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 114 125) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse8 (not (= ~systemActive~0 0))) (.cse5 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse5 .cse0 .cse1) .cse6) (or (or .cse7 .cse2 .cse3) .cse4 .cse8) (or .cse6 (or .cse5 .cse7 .cse2) .cse8) (or (or .cse5 .cse7 .cse1 .cse2) .cse6) (or (or .cse7 .cse1 .cse2 .cse3) .cse4))) [2018-12-08 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 114 125) no Hoare annotation was computed. [2018-12-08 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point L118-1(lines 114 125) no Hoare annotation was computed. [2018-12-08 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 835 864) no Hoare annotation was computed. [2018-12-08 16:15:56,931 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 835 864) the Hoare annotation is: true [2018-12-08 16:15:56,931 INFO L451 ceAbstractionStarter]: At program point L860(lines 835 864) the Hoare annotation is: true [2018-12-08 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point L856(line 856) no Hoare annotation was computed. [2018-12-08 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point L849(lines 849 853) no Hoare annotation was computed. [2018-12-08 16:15:56,932 INFO L451 ceAbstractionStarter]: At program point L849-1(lines 849 853) the Hoare annotation is: true [2018-12-08 16:15:56,932 INFO L448 ceAbstractionStarter]: For program point L846(line 846) no Hoare annotation was computed. [2018-12-08 16:15:56,932 INFO L451 ceAbstractionStarter]: At program point L845-2(lines 845 859) the Hoare annotation is: true [2018-12-08 16:15:56,932 INFO L451 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: true [2018-12-08 16:15:56,932 INFO L448 ceAbstractionStarter]: For program point L841-1(line 841) no Hoare annotation was computed. [2018-12-08 16:15:56,932 INFO L444 ceAbstractionStarter]: At program point L274(line 274) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (not (= ~systemActive~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (= 1 ~waterLevel~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (or .cse5 (or .cse6 .cse7 .cse2 .cse3)) (or .cse8 (or .cse6 .cse1)) (or (or .cse6 .cse1 .cse2 .cse3) (and .cse5 .cse0)) (or (or .cse6 .cse7 .cse2) .cse0) (or .cse6 .cse1 .cse2 .cse9 .cse3 .cse10) (or (or (or .cse2 .cse4) .cse7) .cse0) (or (or .cse1 .cse4) .cse8) (or .cse1 (and .cse10 .cse5) .cse2 .cse9 .cse3 .cse4))) [2018-12-08 16:15:56,932 INFO L444 ceAbstractionStarter]: At program point L272(lines 272 278) the Hoare annotation is: (let ((.cse7 (= 0 ~methAndRunningLastTime~0))) (let ((.cse5 (not (= ~waterLevel~0 1))) (.cse6 (= ~pumpRunning~0 1)) (.cse12 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse11 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (and (= 1 ~waterLevel~0) .cse7))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4 (and .cse5 .cse6 .cse7)) (or .cse0 .cse1 .cse8 .cse9 .cse10 .cse3) (or (or .cse1 .cse2 .cse3 .cse11) .cse4 (and .cse5 .cse6)) (or (= 0 ~pumpRunning~0) (or .cse0 .cse12 .cse2)) (or .cse9 .cse1 .cse8 .cse10 .cse3 .cse11) (or .cse8 (or .cse0 .cse1) .cse4) (or (or (or .cse2 .cse11) .cse12) .cse4) (or (or .cse1 .cse11) .cse8 .cse4) (or .cse1 .cse9 .cse2 .cse10 .cse3 .cse11) (or .cse0 .cse1 .cse2 .cse10 .cse3 .cse9)))) [2018-12-08 16:15:56,932 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 261 284) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse11 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse10 (and .cse0 .cse11)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (= 1 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~systemActive~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (or .cse1 .cse5 .cse6 .cse7 .cse8 .cse4) (or .cse5 .cse7 .cse3 .cse8 .cse4 .cse9) (or (or .cse1 .cse5 .cse3 .cse4) .cse10) (or (and .cse7 .cse0) .cse5 .cse6 .cse8 .cse4 .cse9) (or .cse6 (or .cse1 .cse5) .cse11) (or .cse0 (or .cse1 .cse5 .cse4) .cse6) (or (or .cse5 .cse3 .cse4 .cse9) .cse10) (or (or .cse1 .cse2 .cse3) .cse11) (or .cse1 .cse5 .cse3 .cse8 .cse4 .cse7) (or (or (or .cse3 .cse9) .cse2) .cse11) (or (or .cse5 .cse9) .cse6 .cse11)))) [2018-12-08 16:15:56,932 INFO L444 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (let ((.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= 0 ~methAndRunningLastTime~0) (or .cse4 .cse5 .cse1 .cse2)) (or .cse4 .cse0 .cse1 .cse2) (or .cse6 (or .cse4 .cse0)) (or (or .cse4 .cse5 .cse1) .cse7) (or (or (or .cse1 .cse3) .cse5) .cse7) (or (or .cse0 .cse3) .cse6))) [2018-12-08 16:15:56,932 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 261 284) no Hoare annotation was computed. [2018-12-08 16:15:56,932 INFO L448 ceAbstractionStarter]: For program point L265(lines 264 283) no Hoare annotation was computed. [2018-12-08 16:15:56,932 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 261 284) no Hoare annotation was computed. [2018-12-08 16:15:56,932 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 126 134) the Hoare annotation is: true [2018-12-08 16:15:56,932 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 126 134) no Hoare annotation was computed. [2018-12-08 16:15:56,932 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 126 134) no Hoare annotation was computed. [2018-12-08 16:15:56,932 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 90 101) the Hoare annotation is: true [2018-12-08 16:15:56,933 INFO L448 ceAbstractionStarter]: For program point L94-1(lines 90 101) no Hoare annotation was computed. [2018-12-08 16:15:56,933 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 90 101) no Hoare annotation was computed. [2018-12-08 16:15:56,933 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 889 895) no Hoare annotation was computed. [2018-12-08 16:15:56,933 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 889 895) the Hoare annotation is: true [2018-12-08 16:15:56,933 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:15:56,933 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)) [2018-12-08 16:15:56,933 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 16:15:56,933 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:15:56,933 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 293 317) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1) (not (= 1 |old(~pumpRunning~0)|)) .cse2) (or .cse2 (or .cse3 .cse0 .cse1)) (or (or (not (= ~methaneLevelCritical~0 1)) .cse3 .cse0 (not (= ~methAndRunningLastTime~0 0))) .cse2))) [2018-12-08 16:15:56,933 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 293 317) no Hoare annotation was computed. [2018-12-08 16:15:56,933 INFO L444 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1) (not (= 1 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse0 .cse1))) [2018-12-08 16:15:56,933 INFO L448 ceAbstractionStarter]: For program point L312-1(lines 293 317) no Hoare annotation was computed. [2018-12-08 16:15:56,933 INFO L444 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1) (not (= 1 |old(~pumpRunning~0)|))) (or .cse2 (or .cse3 .cse0 .cse1)) (or .cse2 (or (not (= ~methaneLevelCritical~0 1)) .cse3 .cse0 (not (= ~methAndRunningLastTime~0 0)))))) [2018-12-08 16:15:56,933 INFO L444 ceAbstractionStarter]: At program point L303(line 303) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse2 .cse5) (not (= 1 |old(~pumpRunning~0)|))) (or (and .cse3 .cse6) (or .cse1 .cse2 .cse5)) (or (or .cse0 .cse1 .cse2 .cse4) .cse6))) [2018-12-08 16:15:56,933 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 309) no Hoare annotation was computed. [2018-12-08 16:15:56,933 INFO L444 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1) (not (= 1 |old(~pumpRunning~0)|))) (or .cse2 (or .cse3 .cse0 .cse1)) (or (or (not (= ~methaneLevelCritical~0 1)) .cse3 .cse0 (not (= ~methAndRunningLastTime~0 0))) .cse2))) [2018-12-08 16:15:56,933 INFO L448 ceAbstractionStarter]: For program point L299-1(line 299) no Hoare annotation was computed. [2018-12-08 16:15:56,934 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 314) no Hoare annotation was computed. [2018-12-08 16:15:56,934 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 450 457) no Hoare annotation was computed. [2018-12-08 16:15:56,934 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 450 457) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= ~systemActive~0 0)) (.cse3 (not (= |old(~systemActive~0)| 0)))) (and (or .cse0 (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2) .cse3) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0 .cse3))) [2018-12-08 16:15:56,934 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 450 457) no Hoare annotation was computed. [2018-12-08 16:15:56,934 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 102 113) no Hoare annotation was computed. [2018-12-08 16:15:56,934 INFO L448 ceAbstractionStarter]: For program point L106-1(lines 102 113) no Hoare annotation was computed. [2018-12-08 16:15:56,934 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 102 113) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~systemActive~0 0))) (.cse1 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse2 .cse3 .cse4 .cse1) (or .cse1 .cse0 .cse7 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse1 .cse3 .cse4))) [2018-12-08 16:15:56,934 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 825 832) no Hoare annotation was computed. [2018-12-08 16:15:56,934 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 829) no Hoare annotation was computed. [2018-12-08 16:15:56,934 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 825 832) the Hoare annotation is: true [2018-12-08 16:15:56,935 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 825 832) no Hoare annotation was computed. [2018-12-08 16:15:56,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 04:15:56 BoogieIcfgContainer [2018-12-08 16:15:56,945 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 16:15:56,946 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:15:56,946 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:15:56,946 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:15:56,946 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:15:49" (3/4) ... [2018-12-08 16:15:56,950 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 16:15:56,955 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 16:15:56,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 16:15:56,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 16:15:56,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-08 16:15:56,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 16:15:56,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 16:15:56,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 16:15:56,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 16:15:56,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 16:15:56,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 16:15:56,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 16:15:56,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 16:15:56,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 16:15:56,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-08 16:15:56,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-08 16:15:56,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 16:15:56,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 16:15:56,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 16:15:56,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 16:15:56,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 16:15:56,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 16:15:56,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 16:15:56,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 16:15:56,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 16:15:56,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 16:15:56,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-08 16:15:56,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 16:15:56,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 16:15:56,963 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-08 16:15:56,963 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 16:15:56,963 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 16:15:56,964 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 16:15:56,964 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 16:15:56,964 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 16:15:56,982 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(0 == \old(pumpRunning)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((!(waterLevel == 1) && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) [2018-12-08 16:15:56,982 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 16:15:57,013 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cd726416-ff24-4e1a-bfab-198d91e47808/bin-2019/uautomizer/witness.graphml [2018-12-08 16:15:57,013 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:15:57,014 INFO L168 Benchmark]: Toolchain (without parser) took 7882.38 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 371.7 MB). Free memory was 957.1 MB in the beginning and 1.3 GB in the end (delta: -309.1 MB). Peak memory consumption was 62.6 MB. Max. memory is 11.5 GB. [2018-12-08 16:15:57,014 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:15:57,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -111.5 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-08 16:15:57,015 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.20 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:15:57,015 INFO L168 Benchmark]: Boogie Preprocessor took 25.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:15:57,015 INFO L168 Benchmark]: RCFGBuilder took 376.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.1 MB). Peak memory consumption was 49.1 MB. Max. memory is 11.5 GB. [2018-12-08 16:15:57,015 INFO L168 Benchmark]: TraceAbstraction took 7105.29 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 286.3 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -260.3 MB). Peak memory consumption was 575.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:15:57,015 INFO L168 Benchmark]: Witness Printer took 67.22 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-08 16:15:57,017 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -111.5 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.20 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 376.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.1 MB). Peak memory consumption was 49.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7105.29 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 286.3 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -260.3 MB). Peak memory consumption was 575.7 MB. Max. memory is 11.5 GB. * Witness Printer took 67.22 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 829]: 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: 845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (((((((((!(0 == \old(pumpRunning)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((!(waterLevel == 1) && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 151 locations, 1 error locations. SAFE Result, 7.0s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 2.2s AutomataDifference, 0.0s DeadEndRemovalTime, 2.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2175 SDtfs, 1288 SDslu, 6731 SDs, 0 SdLazy, 2178 SolverSat, 196 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 423 GetRequests, 343 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2499occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 1090 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 3886 PreInvPairs, 3988 NumberOfFragments, 3427 HoareAnnotationTreeSize, 3886 FomulaSimplifications, 7800 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 64 FomulaSimplificationsInter, 11582 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1417 NumberOfCodeBlocks, 1417 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1403 ConstructedInterpolants, 0 QuantifiedInterpolants, 258912 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1806 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 241/249 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...